./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.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/popl20-min-max-dec.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 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 --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 09:11:03,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 09:11:03,713 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 09:11:03,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 09:11:03,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 09:11:03,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 09:11:03,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 09:11:03,739 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 09:11:03,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 09:11:03,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 09:11:03,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 09:11:03,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 09:11:03,742 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 09:11:03,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 09:11:03,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 09:11:03,744 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 09:11:03,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 09:11:03,745 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 09:11:03,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 09:11:03,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 09:11:03,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 09:11:03,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 09:11:03,749 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 09:11:03,749 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 09:11:03,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 09:11:03,749 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 09:11:03,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 09:11:03,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 09:11:03,750 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 09:11:03,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 09:11:03,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 09:11:03,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 09:11:03,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 09:11:03,751 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 09:11:03,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 09:11:03,751 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 09:11:03,752 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 09:11:03,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 09:11:03,752 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 09:11:03,752 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 09:11:03,752 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 09:11:03,753 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 -> 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 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 09:11:03,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 09:11:03,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 09:11:04,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 09:11:04,001 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 09:11:04,001 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 09:11:04,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2024-10-17 09:11:05,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 09:11:05,480 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 09:11:05,481 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2024-10-17 09:11:05,488 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1bb50bc2a/8237d9997e1a431897a77e9763f700c9/FLAG54ba1b867 [2024-10-17 09:11:05,498 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1bb50bc2a/8237d9997e1a431897a77e9763f700c9 [2024-10-17 09:11:05,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 09:11:05,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 09:11:05,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 09:11:05,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 09:11:05,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 09:11:05,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 09:11:05" (1/1) ... [2024-10-17 09:11:05,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5aa0db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:11:05, skipping insertion in model container [2024-10-17 09:11:05,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 09:11:05" (1/1) ... [2024-10-17 09:11:05,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 09:11:05,695 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/popl20-min-max-dec.wvr.c[3071,3084] [2024-10-17 09:11:05,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 09:11:05,715 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 09:11:05,740 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/popl20-min-max-dec.wvr.c[3071,3084] [2024-10-17 09:11:05,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 09:11:05,760 INFO L204 MainTranslator]: Completed translation [2024-10-17 09:11:05,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:11:05 WrapperNode [2024-10-17 09:11:05,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 09:11:05,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 09:11:05,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 09:11:05,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 09:11:05,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:11:05" (1/1) ... [2024-10-17 09:11:05,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:11:05" (1/1) ... [2024-10-17 09:11:05,846 INFO L138 Inliner]: procedures = 25, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-10-17 09:11:05,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 09:11:05,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 09:11:05,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 09:11:05,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 09:11:05,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:11:05" (1/1) ... [2024-10-17 09:11:05,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:11:05" (1/1) ... [2024-10-17 09:11:05,865 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:11:05" (1/1) ... [2024-10-17 09:11:05,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:11:05" (1/1) ... [2024-10-17 09:11:05,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:11:05" (1/1) ... [2024-10-17 09:11:05,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:11:05" (1/1) ... [2024-10-17 09:11:05,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:11:05" (1/1) ... [2024-10-17 09:11:05,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:11:05" (1/1) ... [2024-10-17 09:11:05,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 09:11:05,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 09:11:05,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 09:11:05,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 09:11:05,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:11:05" (1/1) ... [2024-10-17 09:11:05,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 09:11:05,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:11:05,934 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 09:11:05,935 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 09:11:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 09:11:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-17 09:11:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-17 09:11:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-17 09:11:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-17 09:11:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-17 09:11:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-17 09:11:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-17 09:11:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-17 09:11:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 09:11:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-17 09:11:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 09:11:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 09:11:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-17 09:11:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 09:11:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 09:11:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-17 09:11:05,987 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 09:11:06,077 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 09:11:06,079 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 09:11:06,274 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 09:11:06,275 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 09:11:06,411 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 09:11:06,412 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-17 09:11:06,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 09:11:06 BoogieIcfgContainer [2024-10-17 09:11:06,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 09:11:06,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 09:11:06,414 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 09:11:06,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 09:11:06,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 09:11:05" (1/3) ... [2024-10-17 09:11:06,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8e2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 09:11:06, skipping insertion in model container [2024-10-17 09:11:06,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:11:05" (2/3) ... [2024-10-17 09:11:06,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8e2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 09:11:06, skipping insertion in model container [2024-10-17 09:11:06,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 09:11:06" (3/3) ... [2024-10-17 09:11:06,420 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-dec.wvr.c [2024-10-17 09:11:06,433 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 09:11:06,433 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 09:11:06,433 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 09:11:06,476 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-17 09:11:06,517 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 09:11:06,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 09:11:06,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:11:06,519 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 09:11:06,520 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 09:11:06,593 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 09:11:06,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:11:06,612 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 09:11:06,616 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;@1474344e, 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 09:11:06,617 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-17 09:11:07,932 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 09:11:08,076 INFO L85 PathProgramCache]: Analyzing trace with hash -244029561, now seen corresponding path program 1 times [2024-10-17 09:11:08,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:08,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:08,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-17 09:11:08,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:08,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:08,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-17 09:11:08,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:11:08,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:11:08,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:11:08,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:08,502 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:11:08,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 09:11:08,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:08,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:08,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-17 09:11:08,581 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 09:11:08,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1418196433, now seen corresponding path program 1 times [2024-10-17 09:11:08,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:08,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:08,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:08,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:08,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:08,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:09,035 INFO L85 PathProgramCache]: Analyzing trace with hash 565391478, now seen corresponding path program 1 times [2024-10-17 09:11:09,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:09,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 09:11:09,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:09,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 09:11:09,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1816611657, now seen corresponding path program 1 times [2024-10-17 09:11:09,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:09,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:09,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 09:11:09,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:09,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 09:11:09,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:11:09,531 INFO L85 PathProgramCache]: Analyzing trace with hash -656874439, now seen corresponding path program 1 times [2024-10-17 09:11:09,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:11:09,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799545719] [2024-10-17 09:11:09,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:09,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-17 09:11:09,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:11:09,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799545719] [2024-10-17 09:11:09,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799545719] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:11:09,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312247521] [2024-10-17 09:11:09,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:09,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:11:09,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:11:09,655 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 09:11:09,656 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 09:11:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:09,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-17 09:11:09,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:11:09,858 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-17 09:11:09,858 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:11:09,944 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-17 09:11:09,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312247521] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:11:09,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:11:09,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-10-17 09:11:09,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434429418] [2024-10-17 09:11:09,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:11:09,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-17 09:11:09,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:11:09,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-17 09:11:09,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-10-17 09:11:09,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:09,951 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:11:09,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.066666666666666) internal successors, (106), 14 states have internal predecessors, (106), 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 09:11:09,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:09,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:10,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-17 09:11:10,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-10-17 09:11:10,269 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 09:11:10,399 INFO L85 PathProgramCache]: Analyzing trace with hash 837336059, now seen corresponding path program 1 times [2024-10-17 09:11:10,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:10,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:10,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:10,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:10,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:10,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:10,723 INFO L85 PathProgramCache]: Analyzing trace with hash -88988824, now seen corresponding path program 1 times [2024-10-17 09:11:10,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:10,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:10,835 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-17 09:11:10,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:10,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:10,940 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-17 09:11:11,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1033850519, now seen corresponding path program 1 times [2024-10-17 09:11:11,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:11,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:11,262 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:11,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:11,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:11,431 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:11,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:11:11,432 INFO L85 PathProgramCache]: Analyzing trace with hash 176981916, now seen corresponding path program 2 times [2024-10-17 09:11:11,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:11:11,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295884478] [2024-10-17 09:11:11,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:11,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 25 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:11:11,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:11:11,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295884478] [2024-10-17 09:11:11,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295884478] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:11:11,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830941927] [2024-10-17 09:11:11,727 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 09:11:11,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:11:11,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:11:11,733 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 09:11:11,737 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 09:11:11,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-17 09:11:11,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 09:11:11,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-17 09:11:11,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:11:11,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-17 09:11:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-10-17 09:11:11,924 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:11:11,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830941927] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:11:11,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 09:11:11,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-10-17 09:11:11,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675714373] [2024-10-17 09:11:11,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:11:11,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 09:11:11,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:11:11,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 09:11:11,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2024-10-17 09:11:11,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:11,928 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:11:11,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:11:11,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:11,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:11,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:13,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:13,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:13,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:13,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-17 09:11:13,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-10-17 09:11:13,651 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 09:11:13,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1976677593, now seen corresponding path program 1 times [2024-10-17 09:11:13,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:13,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 09:11:13,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:13,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:13,963 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 09:11:14,062 INFO L85 PathProgramCache]: Analyzing trace with hash 2045486128, now seen corresponding path program 1 times [2024-10-17 09:11:14,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:14,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:14,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:14,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:14,384 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:14,514 INFO L85 PathProgramCache]: Analyzing trace with hash 618995827, now seen corresponding path program 1 times [2024-10-17 09:11:14,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:14,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:14,682 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:14,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:14,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:14,816 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:14,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:11:14,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1421207449, now seen corresponding path program 3 times [2024-10-17 09:11:14,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:11:14,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998096612] [2024-10-17 09:11:14,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:14,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 50 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:11:15,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:11:15,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998096612] [2024-10-17 09:11:15,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998096612] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:11:15,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761463341] [2024-10-17 09:11:15,131 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 09:11:15,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:11:15,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:11:15,133 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 09:11:15,134 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 09:11:15,214 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-10-17 09:11:15,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 09:11:15,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-17 09:11:15,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:11:15,291 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-10-17 09:11:15,292 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:11:15,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761463341] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:11:15,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 09:11:15,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 19 [2024-10-17 09:11:15,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84012784] [2024-10-17 09:11:15,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:11:15,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 09:11:15,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:11:15,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 09:11:15,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-10-17 09:11:15,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:15,294 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:11:15,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:11:15,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:15,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:15,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:15,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:16,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:16,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:16,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:16,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:16,029 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 09:11:16,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-17 09:11:16,210 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 09:11:16,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1590380833, now seen corresponding path program 1 times [2024-10-17 09:11:16,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:16,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:11:16,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:11:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:11:16,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1529846065, now seen corresponding path program 1 times [2024-10-17 09:11:16,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:16,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:16,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:16,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:16,644 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:16,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1208661086, now seen corresponding path program 1 times [2024-10-17 09:11:16,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:16,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:16,841 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:16,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:16,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:17,078 INFO L85 PathProgramCache]: Analyzing trace with hash -686744161, now seen corresponding path program 1 times [2024-10-17 09:11:17,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:17,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:17,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:17,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:17,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:11:17,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1626288739, now seen corresponding path program 4 times [2024-10-17 09:11:17,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:11:17,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110628608] [2024-10-17 09:11:17,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:17,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:17,591 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 50 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:11:17,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:11:17,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110628608] [2024-10-17 09:11:17,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110628608] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:11:17,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090458802] [2024-10-17 09:11:17,592 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 09:11:17,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:11:17,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:11:17,594 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 09:11:17,597 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 09:11:17,682 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 09:11:17,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 09:11:17,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-17 09:11:17,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:11:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 64 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-17 09:11:17,888 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:11:18,034 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 56 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 09:11:18,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090458802] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:11:18,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:11:18,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 9] total 34 [2024-10-17 09:11:18,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297893649] [2024-10-17 09:11:18,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:11:18,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-17 09:11:18,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:11:18,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-17 09:11:18,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=968, Unknown=0, NotChecked=0, Total=1122 [2024-10-17 09:11:18,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:18,042 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:11:18,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.147058823529412) internal successors, (175), 34 states have internal predecessors, (175), 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 09:11:18,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:18,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:18,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:18,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:18,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-17 09:11:23,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-17 09:11:23,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-17 09:11:23,752 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 2 more)] === [2024-10-17 09:11:23,784 INFO L85 PathProgramCache]: Analyzing trace with hash 793964362, now seen corresponding path program 1 times [2024-10-17 09:11:23,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:23,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:11:23,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:11:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:11:23,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:11:23,829 INFO L85 PathProgramCache]: Analyzing trace with hash -903448220, now seen corresponding path program 5 times [2024-10-17 09:11:23,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:11:23,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153022665] [2024-10-17 09:11:23,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:23,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:24,227 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 35 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:11:24,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:11:24,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153022665] [2024-10-17 09:11:24,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153022665] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:11:24,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823348158] [2024-10-17 09:11:24,229 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 09:11:24,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:11:24,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:11:24,231 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 09:11:24,232 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 09:11:24,404 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-10-17 09:11:24,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 09:11:24,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-17 09:11:24,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:11:24,691 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 09:11:24,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:11:24,908 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 09:11:24,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823348158] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:11:24,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:11:24,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 11, 11] total 42 [2024-10-17 09:11:24,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567092704] [2024-10-17 09:11:24,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:11:24,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-10-17 09:11:24,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:11:24,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-10-17 09:11:24,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=1541, Unknown=0, NotChecked=0, Total=1806 [2024-10-17 09:11:24,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:24,912 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:11:24,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.674418604651163) internal successors, (201), 42 states have internal predecessors, (201), 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 09:11:24,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:24,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:24,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:24,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:24,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-17 09:11:24,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:25,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:25,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:25,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-17 09:11:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:25,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-17 09:11:25,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:11:25,642 INFO L396 AbstractCegarLoop]: === Iteration 7 === 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 09:11:25,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1022573489, now seen corresponding path program 1 times [2024-10-17 09:11:25,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:25,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:11:25,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:11:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:11:25,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:11:25,699 INFO L85 PathProgramCache]: Analyzing trace with hash -390742588, now seen corresponding path program 6 times [2024-10-17 09:11:25,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:11:25,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303442039] [2024-10-17 09:11:25,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:25,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:26,239 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-10-17 09:11:26,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:11:26,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303442039] [2024-10-17 09:11:26,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303442039] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:11:26,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960674003] [2024-10-17 09:11:26,240 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-17 09:11:26,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:11:26,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:11:26,242 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 09:11:26,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-17 09:11:26,518 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-10-17 09:11:26,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 09:11:26,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-17 09:11:26,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:11:26,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-17 09:11:26,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-10-17 09:11:26,761 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-10-17 09:11:26,761 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:11:27,297 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-10-17 09:11:27,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960674003] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:11:27,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:11:27,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 8] total 23 [2024-10-17 09:11:27,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593277964] [2024-10-17 09:11:27,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:11:27,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-17 09:11:27,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:11:27,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-17 09:11:27,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2024-10-17 09:11:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:27,299 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:11:27,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.826086956521739) internal successors, (134), 23 states have internal predecessors, (134), 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 09:11:27,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:27,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:27,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:27,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:27,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-17 09:11:27,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:27,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:33,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:33,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:33,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:33,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:33,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-17 09:11:33,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:33,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-17 09:11:33,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-17 09:11:34,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34 [2024-10-17 09:11:34,186 INFO L396 AbstractCegarLoop]: === Iteration 8 === 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 09:11:34,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1967265584, now seen corresponding path program 1 times [2024-10-17 09:11:34,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:34,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-17 09:11:34,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:34,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:34,380 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-17 09:11:34,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:11:34,380 INFO L85 PathProgramCache]: Analyzing trace with hash -2033446550, now seen corresponding path program 7 times [2024-10-17 09:11:34,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:11:34,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347335690] [2024-10-17 09:11:34,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:34,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:34,783 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 116 proven. 73 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 09:11:34,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:11:34,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347335690] [2024-10-17 09:11:34,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347335690] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:11:34,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883573726] [2024-10-17 09:11:34,784 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-17 09:11:34,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:11:34,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:11:34,786 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 09:11:34,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-17 09:11:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:34,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-17 09:11:34,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:11:35,188 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 155 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-17 09:11:35,189 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:11:35,455 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 155 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-17 09:11:35,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883573726] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:11:35,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:11:35,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 14, 14] total 47 [2024-10-17 09:11:35,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048691832] [2024-10-17 09:11:35,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:11:35,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-17 09:11:35,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:11:35,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-17 09:11:35,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=374, Invalid=1882, Unknown=0, NotChecked=0, Total=2256 [2024-10-17 09:11:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:35,458 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:11:35,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.520833333333333) internal successors, (217), 47 states have internal predecessors, (217), 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 09:11:35,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:35,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-17 09:11:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-17 09:11:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:36,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:36,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:36,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-17 09:11:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-17 09:11:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:36,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-17 09:11:36,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:11:36,733 INFO L396 AbstractCegarLoop]: === Iteration 9 === 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 09:11:36,770 INFO L85 PathProgramCache]: Analyzing trace with hash 2132378106, now seen corresponding path program 1 times [2024-10-17 09:11:36,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:36,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-17 09:11:36,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:36,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:36,859 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-17 09:11:36,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:11:36,860 INFO L85 PathProgramCache]: Analyzing trace with hash -698183091, now seen corresponding path program 8 times [2024-10-17 09:11:36,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:11:36,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682252335] [2024-10-17 09:11:36,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:36,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:37,082 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 26 proven. 154 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-17 09:11:37,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:11:37,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682252335] [2024-10-17 09:11:37,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682252335] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:11:37,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105113393] [2024-10-17 09:11:37,083 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 09:11:37,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:11:37,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:11:37,084 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 09:11:37,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-17 09:11:37,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 09:11:37,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 09:11:37,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-17 09:11:37,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:11:37,613 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 169 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 09:11:37,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:11:37,962 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 169 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 09:11:37,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105113393] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:11:37,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:11:37,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 16] total 43 [2024-10-17 09:11:37,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090523963] [2024-10-17 09:11:37,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:11:37,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-10-17 09:11:37,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:11:37,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-10-17 09:11:37,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=1573, Unknown=0, NotChecked=0, Total=1892 [2024-10-17 09:11:37,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:37,965 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:11:37,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 5.431818181818182) internal successors, (239), 43 states have internal predecessors, (239), 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 09:11:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:37,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:37,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:37,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:37,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-17 09:11:37,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:37,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-17 09:11:37,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:37,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:41,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:41,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:41,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:41,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:41,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-17 09:11:41,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:41,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-17 09:11:41,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:41,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 09:11:41,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-17 09:11:41,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-10-17 09:11:41,535 INFO L396 AbstractCegarLoop]: === Iteration 10 === 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 09:11:41,571 INFO L85 PathProgramCache]: Analyzing trace with hash 372313440, now seen corresponding path program 1 times [2024-10-17 09:11:41,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:41,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:41,702 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-17 09:11:41,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:41,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:41,741 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-17 09:11:41,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:11:41,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1715046802, now seen corresponding path program 9 times [2024-10-17 09:11:41,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:11:41,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881037519] [2024-10-17 09:11:41,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:41,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:42,780 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 162 proven. 304 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:11:42,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:11:42,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881037519] [2024-10-17 09:11:42,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881037519] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:11:42,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5731040] [2024-10-17 09:11:42,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 09:11:42,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:11:42,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:11:42,783 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 09:11:42,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-17 09:11:43,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-10-17 09:11:43,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 09:11:43,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-17 09:11:43,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:11:43,865 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 418 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-17 09:11:43,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:11:44,398 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 297 proven. 149 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-17 09:11:44,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5731040] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:11:44,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:11:44,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 18, 18] total 74 [2024-10-17 09:11:44,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689146339] [2024-10-17 09:11:44,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:11:44,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-10-17 09:11:44,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:11:44,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-10-17 09:11:44,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=701, Invalid=4849, Unknown=0, NotChecked=0, Total=5550 [2024-10-17 09:11:44,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:44,402 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:11:44,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 4.093333333333334) internal successors, (307), 74 states have internal predecessors, (307), 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 09:11:44,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:44,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:44,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:44,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:44,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-17 09:11:44,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:44,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-17 09:11:44,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:44,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 09:11:44,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:47,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:47,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:47,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:47,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-17 09:11:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-17 09:11:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 09:11:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 09:11:47,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-17 09:11:47,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43 [2024-10-17 09:11:47,319 INFO L396 AbstractCegarLoop]: === Iteration 11 === 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 09:11:47,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1644882378, now seen corresponding path program 1 times [2024-10-17 09:11:47,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:47,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:47,392 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-17 09:11:47,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:47,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-17 09:11:47,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:11:47,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1864500687, now seen corresponding path program 10 times [2024-10-17 09:11:47,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:11:47,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377702123] [2024-10-17 09:11:47,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:11:47,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:11:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:11:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 252 proven. 206 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-17 09:11:47,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:11:47,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377702123] [2024-10-17 09:11:47,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377702123] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:11:47,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105201027] [2024-10-17 09:11:47,786 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 09:11:47,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:11:47,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:11:47,787 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 09:11:47,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-17 09:11:47,949 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 09:11:47,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 09:11:47,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-17 09:11:47,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:11:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 49 proven. 388 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-17 09:11:48,492 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:11:48,681 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 133 proven. 30 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-10-17 09:11:48,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105201027] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:11:48,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:11:48,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 25, 7] total 48 [2024-10-17 09:11:48,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503539304] [2024-10-17 09:11:48,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:11:48,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-17 09:11:48,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:11:48,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-17 09:11:48,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=2038, Unknown=0, NotChecked=0, Total=2256 [2024-10-17 09:11:48,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:11:48,688 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:11:48,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.458333333333333) internal successors, (262), 48 states have internal predecessors, (262), 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 09:11:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:11:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:11:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:11:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-17 09:11:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-17 09:11:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:11:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 09:11:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 09:11:48,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:12:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:12:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:12:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:12:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:12:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-17 09:12:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:12:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-17 09:12:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:12:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-17 09:12:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 09:12:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2024-10-17 09:12:26,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-17 09:12:26,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:12:26,500 INFO L396 AbstractCegarLoop]: === Iteration 12 === 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 09:12:26,528 INFO L85 PathProgramCache]: Analyzing trace with hash 900282555, now seen corresponding path program 1 times [2024-10-17 09:12:26,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:12:26,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:12:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:12:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 310 proven. 79 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-17 09:12:27,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:12:27,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:12:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:12:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 310 proven. 79 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-17 09:12:27,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:12:27,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1634988405, now seen corresponding path program 11 times [2024-10-17 09:12:27,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:12:27,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472618474] [2024-10-17 09:12:27,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:12:27,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:12:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:12:27,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 421 proven. 574 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-10-17 09:12:27,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:12:27,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472618474] [2024-10-17 09:12:27,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472618474] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:12:27,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801516572] [2024-10-17 09:12:27,979 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 09:12:27,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:12:27,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:12:27,981 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 09:12:27,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-17 09:12:37,199 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-10-17 09:12:37,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 09:12:37,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-10-17 09:12:37,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:12:38,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 91 proven. 1120 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-17 09:12:38,410 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:12:38,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 96 proven. 213 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2024-10-17 09:12:38,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801516572] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:12:38,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:12:38,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 41, 7] total 66 [2024-10-17 09:12:38,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965249180] [2024-10-17 09:12:38,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:12:38,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-10-17 09:12:38,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:12:38,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-10-17 09:12:38,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=3910, Unknown=0, NotChecked=0, Total=4290 [2024-10-17 09:12:38,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:12:38,670 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:12:38,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 5.0) internal successors, (330), 66 states have internal predecessors, (330), 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 09:12:38,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:12:38,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:12:38,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 09:12:38,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 09:12:38,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-17 09:12:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:12:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-17 09:12:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 09:12:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-17 09:12:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 09:12:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2024-10-17 09:12:38,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.