./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-max-array.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-max-array.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 573af40880ce1d61666f10a2729c7d6ecdb02e81781df2543efcfdd5788ab6d6 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 13:52:17,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 13:52:17,704 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 13:52:17,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 13:52:17,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 13:52:17,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 13:52:17,730 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 13:52:17,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 13:52:17,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 13:52:17,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 13:52:17,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 13:52:17,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 13:52:17,734 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 13:52:17,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 13:52:17,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 13:52:17,734 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 13:52:17,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 13:52:17,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 13:52:17,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 13:52:17,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 13:52:17,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 13:52:17,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 13:52:17,739 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 13:52:17,739 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 13:52:17,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 13:52:17,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 13:52:17,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 13:52:17,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 13:52:17,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 13:52:17,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 13:52:17,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 13:52:17,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 13:52:17,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 13:52:17,742 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 13:52:17,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 13:52:17,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 13:52:17,743 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 13:52:17,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 13:52:17,743 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 13:52:17,743 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 13:52:17,743 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 13:52:17,744 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573af40880ce1d61666f10a2729c7d6ecdb02e81781df2543efcfdd5788ab6d6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-10-18 13:52:17,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 13:52:17,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 13:52:17,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 13:52:17,951 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 13:52:17,952 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 13:52:17,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-max-array.wvr.c [2024-10-18 13:52:19,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 13:52:19,320 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 13:52:19,321 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-max-array.wvr.c [2024-10-18 13:52:19,329 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/34f8a54f3/6976f87ba11e43ccb5011017e44632a8/FLAG27f63f756 [2024-10-18 13:52:19,735 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/34f8a54f3/6976f87ba11e43ccb5011017e44632a8 [2024-10-18 13:52:19,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 13:52:19,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 13:52:19,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 13:52:19,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 13:52:19,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 13:52:19,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 01:52:19" (1/1) ... [2024-10-18 13:52:19,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebbcdf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:52:19, skipping insertion in model container [2024-10-18 13:52:19,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 01:52:19" (1/1) ... [2024-10-18 13:52:19,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 13:52:19,936 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-more-max-array.wvr.c[2592,2605] [2024-10-18 13:52:19,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 13:52:19,953 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 13:52:19,980 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-more-max-array.wvr.c[2592,2605] [2024-10-18 13:52:19,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 13:52:19,997 INFO L204 MainTranslator]: Completed translation [2024-10-18 13:52:19,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:52:19 WrapperNode [2024-10-18 13:52:19,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 13:52:19,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 13:52:19,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 13:52:19,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 13:52:20,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:52:19" (1/1) ... [2024-10-18 13:52:20,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:52:19" (1/1) ... [2024-10-18 13:52:20,031 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 86 [2024-10-18 13:52:20,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 13:52:20,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 13:52:20,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 13:52:20,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 13:52:20,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:52:19" (1/1) ... [2024-10-18 13:52:20,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:52:19" (1/1) ... [2024-10-18 13:52:20,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:52:19" (1/1) ... [2024-10-18 13:52:20,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:52:19" (1/1) ... [2024-10-18 13:52:20,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:52:19" (1/1) ... [2024-10-18 13:52:20,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:52:19" (1/1) ... [2024-10-18 13:52:20,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:52:19" (1/1) ... [2024-10-18 13:52:20,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:52:19" (1/1) ... [2024-10-18 13:52:20,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 13:52:20,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 13:52:20,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 13:52:20,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 13:52:20,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:52:19" (1/1) ... [2024-10-18 13:52:20,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 13:52:20,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:52:20,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 13:52:20,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 13:52:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 13:52:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 13:52:20,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 13:52:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 13:52:20,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 13:52:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 13:52:20,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 13:52:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 13:52:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 13:52:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 13:52:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 13:52:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-18 13:52:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 13:52:20,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 13:52:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 13:52:20,133 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 13:52:20,228 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 13:52:20,229 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 13:52:20,475 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 13:52:20,475 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 13:52:20,628 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 13:52:20,629 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-18 13:52:20,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 01:52:20 BoogieIcfgContainer [2024-10-18 13:52:20,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 13:52:20,631 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 13:52:20,631 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 13:52:20,635 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 13:52:20,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 01:52:19" (1/3) ... [2024-10-18 13:52:20,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694062df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 01:52:20, skipping insertion in model container [2024-10-18 13:52:20,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:52:19" (2/3) ... [2024-10-18 13:52:20,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694062df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 01:52:20, skipping insertion in model container [2024-10-18 13:52:20,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 01:52:20" (3/3) ... [2024-10-18 13:52:20,638 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-max-array.wvr.c [2024-10-18 13:52:20,652 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 13:52:20,653 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 13:52:20,653 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 13:52:20,703 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-18 13:52:20,744 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 13:52:20,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 13:52:20,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:52:20,746 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 13:52:20,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 13:52:20,851 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 13:52:20,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:52:20,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 13:52:20,887 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;@269f0b7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 13:52:20,888 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 13:52:21,659 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:52:21,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:52:21,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1864329771, now seen corresponding path program 1 times [2024-10-18 13:52:21,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:52:21,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101821924] [2024-10-18 13:52:21,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:21,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:22,090 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 13:52:22,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:52:22,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101821924] [2024-10-18 13:52:22,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101821924] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:52:22,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808770677] [2024-10-18 13:52:22,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:22,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:22,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:52:22,117 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) [2024-10-18 13:52:22,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 13:52:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:22,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-18 13:52:22,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:52:22,238 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 13:52:22,240 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 13:52:22,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808770677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 13:52:22,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 13:52:22,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2024-10-18 13:52:22,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891384022] [2024-10-18 13:52:22,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 13:52:22,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 13:52:22,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:52:22,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 13:52:22,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-18 13:52:22,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:22,365 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:52:22,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:52:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:22,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:22,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 13:52:22,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-18 13:52:22,642 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:52:22,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:52:22,643 INFO L85 PathProgramCache]: Analyzing trace with hash -594937579, now seen corresponding path program 1 times [2024-10-18 13:52:22,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:52:22,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666723266] [2024-10-18 13:52:22,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:22,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 13:52:22,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:52:22,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666723266] [2024-10-18 13:52:22,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666723266] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:52:22,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591382963] [2024-10-18 13:52:22,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:22,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:22,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:52:22,808 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) [2024-10-18 13:52:22,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 13:52:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:22,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 13:52:22,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:52:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 13:52:22,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:52:23,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 13:52:23,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591382963] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:52:23,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:52:23,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-18 13:52:23,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220255253] [2024-10-18 13:52:23,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:52:23,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-18 13:52:23,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:52:23,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-18 13:52:23,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-18 13:52:23,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:23,111 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:52:23,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:52:23,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:23,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:23,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:23,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:23,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-18 13:52:23,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:23,442 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:52:23,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:52:23,443 INFO L85 PathProgramCache]: Analyzing trace with hash 101514709, now seen corresponding path program 2 times [2024-10-18 13:52:23,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:52:23,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434029845] [2024-10-18 13:52:23,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:23,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:23,564 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 13:52:23,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:52:23,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434029845] [2024-10-18 13:52:23,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434029845] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:52:23,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629373797] [2024-10-18 13:52:23,566 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 13:52:23,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:23,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:52:23,570 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) [2024-10-18 13:52:23,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 13:52:23,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 13:52:23,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:52:23,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 13:52:23,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:52:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 13:52:23,769 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:52:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 13:52:23,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629373797] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:52:23,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:52:23,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-18 13:52:23,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213325498] [2024-10-18 13:52:23,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:52:23,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-18 13:52:23,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:52:23,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-18 13:52:23,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-10-18 13:52:23,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:23,941 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:52:23,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:52:23,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:23,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:23,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:24,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:24,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:24,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:24,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-18 13:52:24,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:24,296 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:52:24,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:52:24,296 INFO L85 PathProgramCache]: Analyzing trace with hash -809816532, now seen corresponding path program 3 times [2024-10-18 13:52:24,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:52:24,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631605146] [2024-10-18 13:52:24,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:24,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:24,502 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:52:24,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:52:24,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631605146] [2024-10-18 13:52:24,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631605146] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:52:24,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103268181] [2024-10-18 13:52:24,503 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 13:52:24,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:24,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:52:24,505 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) [2024-10-18 13:52:24,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 13:52:24,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-18 13:52:24,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:52:24,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-18 13:52:24,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:52:24,793 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:52:24,793 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:52:24,931 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:52:24,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103268181] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:52:24,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:52:24,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-10-18 13:52:24,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414490917] [2024-10-18 13:52:24,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:52:24,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-18 13:52:24,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:52:24,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-18 13:52:24,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2024-10-18 13:52:24,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:24,944 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:52:24,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.4) internal successors, (110), 24 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:52:24,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:24,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:24,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:24,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:25,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:25,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:25,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:25,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:25,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-18 13:52:25,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:25,320 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:52:25,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:52:25,320 INFO L85 PathProgramCache]: Analyzing trace with hash 637507116, now seen corresponding path program 4 times [2024-10-18 13:52:25,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:52:25,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473065244] [2024-10-18 13:52:25,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:25,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:25,474 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-18 13:52:25,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:52:25,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473065244] [2024-10-18 13:52:25,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473065244] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:52:25,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50612236] [2024-10-18 13:52:25,475 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 13:52:25,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:25,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:52:25,477 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) [2024-10-18 13:52:25,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 13:52:25,543 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 13:52:25,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:52:25,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-18 13:52:25,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:52:25,713 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 13:52:25,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:52:25,871 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 13:52:25,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50612236] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:52:25,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:52:25,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 25 [2024-10-18 13:52:25,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028958204] [2024-10-18 13:52:25,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:52:25,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-18 13:52:25,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:52:25,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-18 13:52:25,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-10-18 13:52:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:25,883 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:52:25,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.56) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:52:25,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:25,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:25,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:25,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:25,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:26,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:26,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:26,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:26,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:26,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:52:26,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-18 13:52:26,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:26,848 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:52:26,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:52:26,849 INFO L85 PathProgramCache]: Analyzing trace with hash -963989801, now seen corresponding path program 5 times [2024-10-18 13:52:26,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:52:26,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539626574] [2024-10-18 13:52:26,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:26,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 108 proven. 28 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 13:52:27,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:52:27,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539626574] [2024-10-18 13:52:27,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539626574] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:52:27,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418128745] [2024-10-18 13:52:27,161 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 13:52:27,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:27,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:52:27,162 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) [2024-10-18 13:52:27,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 13:52:27,263 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-10-18 13:52:27,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:52:27,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-18 13:52:27,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:52:27,516 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 129 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-18 13:52:27,517 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:52:27,699 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 129 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-18 13:52:27,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418128745] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:52:27,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:52:27,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 34 [2024-10-18 13:52:27,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507884443] [2024-10-18 13:52:27,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:52:27,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-18 13:52:27,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:52:27,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-18 13:52:27,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2024-10-18 13:52:27,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:27,846 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:52:27,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.6571428571428575) internal successors, (163), 34 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:52:27,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:27,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:27,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:27,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:27,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:52:27,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:52:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:27,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-18 13:52:28,172 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,SelfDestructingSolverStorable5 [2024-10-18 13:52:28,173 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 1 more)] === [2024-10-18 13:52:28,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:52:28,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1914711529, now seen corresponding path program 6 times [2024-10-18 13:52:28,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:52:28,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128366000] [2024-10-18 13:52:28,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:28,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:28,754 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 59 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:52:28,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:52:28,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128366000] [2024-10-18 13:52:28,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128366000] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:52:28,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141301590] [2024-10-18 13:52:28,755 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 13:52:28,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:28,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:52:28,757 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) [2024-10-18 13:52:28,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 13:52:28,839 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-10-18 13:52:28,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:52:28,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-18 13:52:28,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:52:29,250 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 105 proven. 31 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 13:52:29,251 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:52:29,698 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 121 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 13:52:29,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141301590] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:52:29,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:52:29,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 16, 16] total 56 [2024-10-18 13:52:29,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127234508] [2024-10-18 13:52:29,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:52:29,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-10-18 13:52:29,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:52:29,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-10-18 13:52:29,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=455, Invalid=2737, Unknown=0, NotChecked=0, Total=3192 [2024-10-18 13:52:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:29,813 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:52:29,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 3.087719298245614) internal successors, (176), 56 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:52:29,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:29,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:29,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:29,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:29,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:52:29,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:29,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:30,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:30,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:30,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:30,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:30,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:52:30,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:30,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:30,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-18 13:52:30,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:30,246 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 1 more)] === [2024-10-18 13:52:30,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:52:30,247 INFO L85 PathProgramCache]: Analyzing trace with hash -137860585, now seen corresponding path program 7 times [2024-10-18 13:52:30,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:52:30,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479528482] [2024-10-18 13:52:30,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:30,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:30,655 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 78 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:52:30,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:52:30,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479528482] [2024-10-18 13:52:30,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479528482] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:52:30,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391331041] [2024-10-18 13:52:30,656 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 13:52:30,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:30,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:52:30,657 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) [2024-10-18 13:52:30,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 13:52:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:30,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-18 13:52:30,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:52:31,099 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 117 proven. 37 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 13:52:31,099 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:52:31,498 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 28 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 13:52:31,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391331041] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:52:31,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:52:31,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 19] total 55 [2024-10-18 13:52:31,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765649646] [2024-10-18 13:52:31,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:52:31,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-10-18 13:52:31,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:52:31,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-10-18 13:52:31,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=600, Invalid=2480, Unknown=0, NotChecked=0, Total=3080 [2024-10-18 13:52:31,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:31,597 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:52:31,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.142857142857143) internal successors, (176), 55 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:52:31,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:31,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:31,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:31,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:31,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:52:31,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:31,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:31,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:31,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:52:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:31,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-18 13:52:32,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:32,043 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 1 more)] === [2024-10-18 13:52:32,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:52:32,044 INFO L85 PathProgramCache]: Analyzing trace with hash -2074509609, now seen corresponding path program 8 times [2024-10-18 13:52:32,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:52:32,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862517337] [2024-10-18 13:52:32,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:32,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:32,403 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 21 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:52:32,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:52:32,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862517337] [2024-10-18 13:52:32,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862517337] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:52:32,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235618739] [2024-10-18 13:52:32,404 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 13:52:32,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:32,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:52:32,405 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) [2024-10-18 13:52:32,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-18 13:52:32,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 13:52:32,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:52:32,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-18 13:52:32,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:52:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 119 proven. 52 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 13:52:32,908 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:52:33,455 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 135 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 13:52:33,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235618739] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:52:33,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:52:33,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21, 21] total 57 [2024-10-18 13:52:33,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062366973] [2024-10-18 13:52:33,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:52:33,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-10-18 13:52:33,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:52:33,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-10-18 13:52:33,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=2801, Unknown=0, NotChecked=0, Total=3306 [2024-10-18 13:52:33,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:33,534 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:52:33,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 3.4310344827586206) internal successors, (199), 57 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:52:33,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:33,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:33,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:33,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:33,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:52:33,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:33,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:33,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:33,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:52:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:52:34,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-18 13:52:34,423 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,SelfDestructingSolverStorable8 [2024-10-18 13:52:34,423 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 1 more)] === [2024-10-18 13:52:34,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:52:34,424 INFO L85 PathProgramCache]: Analyzing trace with hash 907564183, now seen corresponding path program 9 times [2024-10-18 13:52:34,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:52:34,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274252478] [2024-10-18 13:52:34,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:34,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 241 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:52:35,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:52:35,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274252478] [2024-10-18 13:52:35,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274252478] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:52:35,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227774677] [2024-10-18 13:52:35,631 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 13:52:35,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:35,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:52:35,632 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) [2024-10-18 13:52:35,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-18 13:52:35,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-10-18 13:52:35,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:52:35,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-18 13:52:35,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:52:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 412 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:52:36,747 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:52:37,358 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 412 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:52:37,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227774677] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:52:37,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:52:37,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 22, 22] total 85 [2024-10-18 13:52:37,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396199305] [2024-10-18 13:52:37,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:52:37,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-10-18 13:52:37,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:52:37,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:52:37,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 17 [2024-10-18 13:52:39,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1020170305, now seen corresponding path program 1 times [2024-10-18 13:52:39,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:39,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:40,848 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 350 proven. 124 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 13:52:40,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:40,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:41,151 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 350 proven. 124 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 13:52:41,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-10-18 13:52:41,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1104, Invalid=9608, Unknown=0, NotChecked=0, Total=10712 [2024-10-18 13:52:41,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:41,159 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:52:41,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 3.755813953488372) internal successors, (323), 85 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:52:41,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:41,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:41,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:41,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:41,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:52:41,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:41,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:41,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:41,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:52:41,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:52:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:52:41,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:52:41,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-18 13:52:41,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:41,656 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 1 more)] === [2024-10-18 13:52:41,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:52:41,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1316426601, now seen corresponding path program 10 times [2024-10-18 13:52:41,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:52:41,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76586826] [2024-10-18 13:52:41,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:41,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 276 proven. 202 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:52:42,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:52:42,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76586826] [2024-10-18 13:52:42,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76586826] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:52:42,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662176610] [2024-10-18 13:52:42,328 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 13:52:42,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:42,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:52:42,330 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) [2024-10-18 13:52:42,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-18 13:52:42,409 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 13:52:42,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:52:42,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-18 13:52:42,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:52:43,447 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 0 proven. 413 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-18 13:52:43,448 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:52:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 238 proven. 175 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-18 13:52:44,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662176610] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:52:44,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:52:44,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 34, 27] total 91 [2024-10-18 13:52:44,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026086680] [2024-10-18 13:52:44,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:52:44,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-10-18 13:52:44,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:52:44,822 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:52:44,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 25 [2024-10-18 13:52:51,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1954228292, now seen corresponding path program 1 times [2024-10-18 13:52:51,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:51,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 350 proven. 145 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 13:52:51,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:51,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:51,834 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 350 proven. 145 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 13:52:51,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-10-18 13:52:51,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1012, Invalid=7178, Unknown=0, NotChecked=0, Total=8190 [2024-10-18 13:52:51,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:51,842 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:52:51,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 3.4835164835164836) internal successors, (317), 91 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:52:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:52:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:52:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:52:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:52:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:52:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:52:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:52:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:52:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:52:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:52:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:52:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:52:57,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:52:57,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-18 13:52:57,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-10-18 13:52:57,397 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 1 more)] === [2024-10-18 13:52:57,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:52:57,398 INFO L85 PathProgramCache]: Analyzing trace with hash -2043614212, now seen corresponding path program 11 times [2024-10-18 13:52:57,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:52:57,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733399695] [2024-10-18 13:52:57,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:52:57,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:52:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:52:58,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 852 proven. 144 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-18 13:52:58,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:52:58,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733399695] [2024-10-18 13:52:58,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733399695] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:52:58,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145100958] [2024-10-18 13:52:58,049 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 13:52:58,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:52:58,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:52:58,051 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:52:58,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-18 13:52:58,227 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-10-18 13:52:58,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:52:58,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-18 13:52:58,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:52:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 962 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:52:59,099 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:52:59,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 962 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:52:59,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145100958] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:52:59,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:52:59,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 31, 31] total 90 [2024-10-18 13:52:59,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479924011] [2024-10-18 13:52:59,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:52:59,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-10-18 13:52:59,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:53:00,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-10-18 13:53:00,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1339, Invalid=6851, Unknown=0, NotChecked=0, Total=8190 [2024-10-18 13:53:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:53:00,052 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:53:00,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 4.978021978021978) internal successors, (453), 90 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:53:00,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:53:00,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:53:00,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:53:00,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:00,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:00,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:00,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:00,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:00,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:53:00,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:53:00,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:53:00,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:53:00,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:53:00,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:53:00,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:53:00,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:00,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:00,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:00,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:00,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:00,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:53:00,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:53:00,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:53:00,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:53:00,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-18 13:53:00,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-18 13:53:00,490 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:53:00,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:53:00,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1645396156, now seen corresponding path program 12 times [2024-10-18 13:53:00,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:53:00,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101607937] [2024-10-18 13:53:00,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:53:00,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:53:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:53:01,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 136 proven. 979 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:53:01,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:53:01,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101607937] [2024-10-18 13:53:01,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101607937] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:53:01,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186259745] [2024-10-18 13:53:01,353 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 13:53:01,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:53:01,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:53:01,354 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:53:01,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-18 13:53:02,591 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-10-18 13:53:02,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:53:02,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-10-18 13:53:02,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:53:03,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 754 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:53:03,698 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:53:05,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 962 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:53:05,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186259745] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:53:05,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:53:05,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 39, 39] total 111 [2024-10-18 13:53:05,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483541467] [2024-10-18 13:53:05,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:53:05,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2024-10-18 13:53:05,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:53:05,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2024-10-18 13:53:05,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1498, Invalid=10934, Unknown=0, NotChecked=0, Total=12432 [2024-10-18 13:53:05,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:53:05,254 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:53:05,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 4.330357142857143) internal successors, (485), 111 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:53:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:53:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:53:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:53:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:53:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:53:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:53:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:53:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:53:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:53:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:53:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:53:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:53:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:53:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:53:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:53:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:06,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-18 13:53:06,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-18 13:53:06,764 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:53:06,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:53:06,764 INFO L85 PathProgramCache]: Analyzing trace with hash 941419633, now seen corresponding path program 13 times [2024-10-18 13:53:06,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:53:06,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870407851] [2024-10-18 13:53:06,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:53:06,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:53:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:53:10,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1642 proven. 485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:53:10,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:53:10,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870407851] [2024-10-18 13:53:10,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870407851] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:53:10,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841256592] [2024-10-18 13:53:10,319 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 13:53:10,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:53:10,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:53:10,320 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:53:10,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-18 13:53:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:53:10,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-18 13:53:10,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:53:12,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1318 proven. 223 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2024-10-18 13:53:12,190 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:53:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1370 proven. 171 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2024-10-18 13:53:14,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841256592] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:53:14,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:53:14,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 41, 41] total 164 [2024-10-18 13:53:14,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274516267] [2024-10-18 13:53:14,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:53:14,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2024-10-18 13:53:14,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:53:14,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2024-10-18 13:53:14,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4130, Invalid=22930, Unknown=0, NotChecked=0, Total=27060 [2024-10-18 13:53:14,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:53:14,567 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:53:14,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 2.775757575757576) internal successors, (458), 164 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:53:14,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:53:14,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:53:14,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:53:14,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:14,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:14,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:14,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:14,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:14,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:53:14,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:53:14,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:53:14,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:53:14,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:14,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:53:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:53:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:53:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:53:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:53:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:53:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:53:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:53:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:14,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:53:14,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-18 13:53:14,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-18 13:53:14,957 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:53:14,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:53:14,958 INFO L85 PathProgramCache]: Analyzing trace with hash 228085681, now seen corresponding path program 14 times [2024-10-18 13:53:14,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:53:14,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945158630] [2024-10-18 13:53:14,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:53:14,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:53:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:53:18,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1642 proven. 504 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:53:18,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:53:18,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945158630] [2024-10-18 13:53:18,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945158630] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:53:18,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394326423] [2024-10-18 13:53:18,361 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 13:53:18,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:53:18,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:53:18,363 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:53:18,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-18 13:53:18,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 13:53:18,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:53:18,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-10-18 13:53:18,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:53:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1378 proven. 217 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2024-10-18 13:53:20,323 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:53:22,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1405 proven. 190 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2024-10-18 13:53:22,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394326423] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:53:22,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:53:22,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 43, 43] total 169 [2024-10-18 13:53:22,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490551139] [2024-10-18 13:53:22,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:53:22,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2024-10-18 13:53:22,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:53:22,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2024-10-18 13:53:22,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4383, Invalid=24347, Unknown=0, NotChecked=0, Total=28730 [2024-10-18 13:53:22,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:53:22,664 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:53:22,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 2.7470588235294118) internal successors, (467), 169 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:53:22,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:53:22,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:53:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:53:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:53:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:53:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:53:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:53:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:53:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:53:22,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:53:22,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:53:22,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:53:22,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:22,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:22,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:22,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:22,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:22,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:53:22,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:53:22,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:53:22,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:53:22,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:22,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:53:22,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:53:22,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-18 13:53:23,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:53:23,136 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:53:23,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:53:23,136 INFO L85 PathProgramCache]: Analyzing trace with hash -410430351, now seen corresponding path program 15 times [2024-10-18 13:53:23,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:53:23,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585626817] [2024-10-18 13:53:23,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:53:23,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:53:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:53:24,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 1829 proven. 330 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-18 13:53:24,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:53:24,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585626817] [2024-10-18 13:53:24,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585626817] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:53:24,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89915497] [2024-10-18 13:53:24,342 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 13:53:24,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:53:24,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:53:24,344 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:53:24,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-18 13:53:28,351 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2024-10-18 13:53:28,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:53:28,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-18 13:53:28,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:53:29,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 1950 proven. 210 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 13:53:29,685 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:53:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 1950 proven. 210 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 13:53:31,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89915497] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:53:31,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:53:31,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44, 44] total 130 [2024-10-18 13:53:31,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488516463] [2024-10-18 13:53:31,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:53:31,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2024-10-18 13:53:31,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:53:31,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:53:31,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 25 [2024-10-18 13:53:41,588 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-10-18 13:53:41,589 INFO L85 PathProgramCache]: Analyzing trace with hash 962799175, now seen corresponding path program 1 times [2024-10-18 13:53:41,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:53:41,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:53:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:53:43,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2285 backedges. 1880 proven. 388 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 13:53:43,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:53:43,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:53:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:53:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2285 backedges. 1880 proven. 388 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 13:53:44,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2024-10-18 13:53:44,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3545, Invalid=23515, Unknown=0, NotChecked=0, Total=27060 [2024-10-18 13:53:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:53:44,746 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:53:44,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 4.893129770992366) internal successors, (641), 130 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:53:44,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:53:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:53:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:53:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:53:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:53:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:53:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:53:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:53:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:53:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:53:44,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:53:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:53:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:53:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:53:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:53:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:53:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:53:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:53:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:53:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 13:53:44,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-18 13:53:45,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-18 13:53:45,155 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:53:45,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:53:45,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1270409137, now seen corresponding path program 16 times [2024-10-18 13:53:45,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:53:45,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79076734] [2024-10-18 13:53:45,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:53:45,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:53:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:53:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 1756 proven. 431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:53:47,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:53:47,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79076734] [2024-10-18 13:53:47,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79076734] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:53:47,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499498836] [2024-10-18 13:53:47,390 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 13:53:47,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:53:47,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:53:47,391 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:53:47,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-18 13:53:47,529 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 13:53:47,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:53:47,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-10-18 13:53:47,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:53:50,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 104 proven. 1851 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-10-18 13:53:50,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:53:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 1341 proven. 614 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-10-18 13:53:53,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499498836] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:53:53,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:53:53,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67, 48] total 179 [2024-10-18 13:53:53,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276085118] [2024-10-18 13:53:53,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:53:53,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 179 states [2024-10-18 13:53:53,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:53:53,878 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 13:53:53,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 14 [2024-10-18 13:53:53,885 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-10-18 13:53:53,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 10 [2024-10-18 13:53:55,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1371018486, now seen corresponding path program 1 times [2024-10-18 13:53:55,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:53:55,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:53:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:53:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2306 backedges. 1880 proven. 409 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 13:53:56,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:53:56,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:53:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:53:57,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2306 backedges. 1880 proven. 409 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 13:53:57,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2024-10-18 13:53:57,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4781, Invalid=27439, Unknown=0, NotChecked=0, Total=32220 [2024-10-18 13:53:57,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:53:57,583 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:53:57,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 179 states, 179 states have (on average 3.4916201117318435) internal successors, (625), 179 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:53:57,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:53:57,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:53:57,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:53:57,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:53:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:53:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:53:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:53:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:53:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:53:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:53:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:53:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:53:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 13:53:57,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:54:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:54:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:54:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:54:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:54:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:54:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:54:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:54:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:54:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:54:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:54:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:54:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:54:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:54:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:54:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:54:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 13:54:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-10-18 13:54:09,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-18 13:54:10,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2024-10-18 13:54:10,173 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:54:10,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:54:10,174 INFO L85 PathProgramCache]: Analyzing trace with hash -961820644, now seen corresponding path program 17 times [2024-10-18 13:54:10,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:54:10,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012363508] [2024-10-18 13:54:10,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:54:10,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:54:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:54:15,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 2996 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:54:15,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:54:15,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012363508] [2024-10-18 13:54:15,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012363508] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:54:15,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147846125] [2024-10-18 13:54:15,939 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 13:54:15,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:54:15,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:54:15,941 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:54:15,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-18 13:54:28,720 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2024-10-18 13:54:28,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:54:28,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-10-18 13:54:28,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:54:31,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 3407 proven. 253 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-10-18 13:54:31,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:54:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 3407 proven. 253 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-10-18 13:54:34,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147846125] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:54:34,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:54:34,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [112, 48, 48] total 204 [2024-10-18 13:54:34,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894189799] [2024-10-18 13:54:34,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:54:34,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-10-18 13:54:34,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:54:34,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-10-18 13:54:34,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6458, Invalid=35362, Unknown=0, NotChecked=0, Total=41820 [2024-10-18 13:54:34,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:54:34,664 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:54:34,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 3.7365853658536587) internal successors, (766), 204 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:54:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:54:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:54:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:54:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:54:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:54:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:54:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:54:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:54:34,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:54:34,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:54:34,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:54:34,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:54:34,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:54:34,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:54:34,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:54:34,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 13:54:34,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-10-18 13:54:34,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:54:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:54:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:54:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:54:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:54:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:54:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:54:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:54:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:54:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:54:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:54:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:54:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:54:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:54:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:54:34,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:54:34,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 13:54:34,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-10-18 13:54:34,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 13:54:35,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-18 13:54:35,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:54:35,175 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:54:35,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:54:35,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1390036132, now seen corresponding path program 18 times [2024-10-18 13:54:35,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:54:35,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550119227] [2024-10-18 13:54:35,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:54:35,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:54:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:54:41,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3859 backedges. 2996 proven. 863 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:54:41,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:54:41,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550119227] [2024-10-18 13:54:41,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550119227] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:54:41,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104710136] [2024-10-18 13:54:41,066 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 13:54:41,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:54:41,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:54:41,068 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:54:41,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-18 13:54:52,352 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2024-10-18 13:54:52,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:54:52,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-10-18 13:54:52,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:54:55,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3859 backedges. 3582 proven. 276 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:54:55,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:54:59,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3859 backedges. 3582 proven. 276 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:54:59,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104710136] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:54:59,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:54:59,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 55, 55] total 221 [2024-10-18 13:54:59,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088563182] [2024-10-18 13:54:59,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:54:59,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 222 states [2024-10-18 13:54:59,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:55:00,013 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 13:55:00,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 14 [2024-10-18 13:55:00,019 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-10-18 13:55:00,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 10 [2024-10-18 13:55:06,091 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 26 DAG size of output: 21 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-10-18 13:55:06,092 INFO L85 PathProgramCache]: Analyzing trace with hash -355694765, now seen corresponding path program 1 times [2024-10-18 13:55:06,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:55:06,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:55:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:55:08,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4118 backedges. 3553 proven. 498 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-18 13:55:08,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:55:08,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:55:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:55:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4118 backedges. 3553 proven. 498 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-18 13:55:09,763 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:55:09,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 31 [2024-10-18 13:55:15,840 WARN L286 SmtUtils]: Spent 6.01s on a formula simplification. DAG size of input: 26 DAG size of output: 21 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-10-18 13:55:15,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1045253025, now seen corresponding path program 1 times [2024-10-18 13:55:15,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:55:15,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:55:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:55:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 5234 backedges. 4676 proven. 558 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:55:17,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:55:17,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:55:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:55:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 5234 backedges. 4676 proven. 558 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:55:19,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2024-10-18 13:55:19,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7344, Invalid=54408, Unknown=0, NotChecked=0, Total=61752 [2024-10-18 13:55:19,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:55:19,892 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:55:19,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 222 states, 222 states have (on average 3.9144144144144146) internal successors, (869), 221 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:55:19,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:55:19,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-18 13:55:19,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:55:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:55:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:55:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:55:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:55:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:55:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:55:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:55:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:55:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:55:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:55:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:55:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:55:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:55:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:55:20,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:55:20,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 13:55:20,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-10-18 13:55:20,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 13:55:20,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-18 13:55:20,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-18 13:55:20,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-18 13:55:20,499 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:55:20,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:55:20,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1177982948, now seen corresponding path program 19 times [2024-10-18 13:55:20,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:55:20,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911338256] [2024-10-18 13:55:20,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:55:20,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:55:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:55:24,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 3106 proven. 941 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:55:24,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:55:24,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911338256] [2024-10-18 13:55:24,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911338256] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:55:24,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426103856] [2024-10-18 13:55:24,252 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 13:55:24,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:55:24,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:55:24,254 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:55:24,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-18 13:55:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:55:24,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-10-18 13:55:24,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:55:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 2759 proven. 553 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2024-10-18 13:55:27,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:55:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 2847 proven. 465 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2024-10-18 13:55:31,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426103856] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:55:31,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:55:31,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 65, 65] total 215 [2024-10-18 13:55:31,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804344868] [2024-10-18 13:55:31,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:55:31,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 216 states [2024-10-18 13:55:31,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:55:31,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2024-10-18 13:55:31,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8835, Invalid=37605, Unknown=0, NotChecked=0, Total=46440 [2024-10-18 13:55:31,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:55:31,662 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:55:31,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 216 states, 216 states have (on average 3.0555555555555554) internal successors, (660), 215 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-18 13:55:31,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-18 13:55:31,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:55:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:55:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:55:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:55:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:55:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:55:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:55:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:55:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:55:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:55:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:55:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:55:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:55:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:55:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:55:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:55:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 13:55:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-10-18 13:55:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 13:55:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-18 13:55:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-18 13:55:31,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-18 13:55:32,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:55:32,088 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:55:32,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:55:32,088 INFO L85 PathProgramCache]: Analyzing trace with hash 498867036, now seen corresponding path program 20 times [2024-10-18 13:55:32,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:55:32,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29955475] [2024-10-18 13:55:32,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:55:32,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:55:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:55:34,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4079 backedges. 435 proven. 3644 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:55:34,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:55:34,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29955475] [2024-10-18 13:55:34,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29955475] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:55:34,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215689540] [2024-10-18 13:55:34,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 13:55:34,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:55:34,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:55:34,311 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:55:34,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-18 13:55:34,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 13:55:34,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:55:34,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-10-18 13:55:34,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:55:37,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4079 backedges. 2839 proven. 541 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-10-18 13:55:37,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:55:42,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4079 backedges. 2884 proven. 496 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-10-18 13:55:42,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215689540] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:55:42,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:55:42,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 67, 67] total 195 [2024-10-18 13:55:42,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838880715] [2024-10-18 13:55:42,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:55:42,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2024-10-18 13:55:42,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:55:42,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2024-10-18 13:55:42,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5483, Invalid=32737, Unknown=0, NotChecked=0, Total=38220 [2024-10-18 13:55:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:55:42,512 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:55:42,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 196 states have (on average 3.4744897959183674) internal successors, (681), 195 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:55:42,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:55:42,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:55:42,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:55:42,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:55:42,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:55:42,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:55:42,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:55:42,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:55:42,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:55:42,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:55:42,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:55:42,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:55:42,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:55:42,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:55:42,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:55:42,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 13:55:42,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-10-18 13:55:42,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-18 13:55:42,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-18 13:55:42,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-18 13:55:42,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:55:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:55:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:55:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:55:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:55:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:55:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:55:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:55:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:55:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:55:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:55:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:55:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:55:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:55:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:55:45,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:55:45,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 13:55:45,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-10-18 13:55:45,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 13:55:45,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-18 13:55:45,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-18 13:55:45,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-18 13:55:45,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-18 13:55:45,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-18 13:55:45,933 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:55:45,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:55:45,933 INFO L85 PathProgramCache]: Analyzing trace with hash -288557796, now seen corresponding path program 21 times [2024-10-18 13:55:45,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:55:45,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121710456] [2024-10-18 13:55:45,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:55:45,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:55:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:55:55,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 5136 proven. 1291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:55:55,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:55:55,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121710456] [2024-10-18 13:55:55,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121710456] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:55:55,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816106545] [2024-10-18 13:55:55,617 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 13:55:55,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:55:55,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:55:55,618 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:55:55,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-18 13:58:16,852 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 38 check-sat command(s) [2024-10-18 13:58:16,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:58:16,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-10-18 13:58:16,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:58:21,849 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 5899 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:58:21,849 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:58:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 5899 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:58:27,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816106545] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:58:27,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:58:27,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [146, 73, 73] total 289 [2024-10-18 13:58:27,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388308662] [2024-10-18 13:58:27,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:58:27,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 290 states [2024-10-18 13:58:27,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:58:28,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:58:28,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 22 [2024-10-18 13:58:38,602 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-10-18 13:58:38,602 INFO L85 PathProgramCache]: Analyzing trace with hash 251848046, now seen corresponding path program 1 times [2024-10-18 13:58:38,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:58:38,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:58:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:58:42,305 INFO L134 CoverageAnalysis]: Checked inductivity of 9050 backedges. 8152 proven. 898 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:58:42,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:58:42,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:58:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:58:45,831 INFO L134 CoverageAnalysis]: Checked inductivity of 9050 backedges. 8152 proven. 898 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:58:45,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 290 interpolants. [2024-10-18 13:58:45,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13177, Invalid=71213, Unknown=0, NotChecked=0, Total=84390 [2024-10-18 13:58:45,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:58:45,862 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:58:45,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 290 states, 290 states have (on average 3.8448275862068964) internal successors, (1115), 289 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:58:45,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:58:45,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:58:45,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:58:45,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:58:45,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:58:45,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:58:45,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:58:45,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:58:45,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:58:45,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:58:45,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:58:45,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:58:45,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:58:45,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:58:45,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:58:45,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 13:58:45,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-10-18 13:58:45,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-18 13:58:45,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-18 13:58:45,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-18 13:58:45,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-10-18 13:58:45,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 13:58:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-10-18 13:58:46,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 13:58:46,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-18 13:58:46,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-18 13:58:46,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-18 13:58:46,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-18 13:58:46,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-18 13:58:46,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35 [2024-10-18 13:58:46,337 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 13:58:46,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:58:46,338 INFO L85 PathProgramCache]: Analyzing trace with hash -2021905124, now seen corresponding path program 22 times [2024-10-18 13:58:46,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:58:46,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837904365] [2024-10-18 13:58:46,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:58:46,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:58:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:58:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6640 backedges. 5278 proven. 1361 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:58:52,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:58:52,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837904365] [2024-10-18 13:58:52,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837904365] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:58:52,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971808818] [2024-10-18 13:58:52,772 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 13:58:52,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:58:52,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:58:52,773 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:58:52,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-18 13:58:52,989 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 13:58:52,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:58:52,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 113 conjuncts are in the unsatisfiable core [2024-10-18 13:58:52,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:59:01,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6640 backedges. 0 proven. 5899 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2024-10-18 13:59:01,541 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:59:09,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6640 backedges. 4170 proven. 1729 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2024-10-18 13:59:09,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971808818] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:59:09,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:59:09,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 114, 81] total 305 [2024-10-18 13:59:09,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8892790] [2024-10-18 13:59:09,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:59:09,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 305 states [2024-10-18 13:59:09,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:59:09,828 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:59:09,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 17 [2024-10-18 13:59:11,864 INFO L85 PathProgramCache]: Analyzing trace with hash -792494682, now seen corresponding path program 1 times [2024-10-18 13:59:11,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:59:11,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:59:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:59:14,308 INFO L134 CoverageAnalysis]: Checked inductivity of 7779 backedges. 6675 proven. 1073 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-18 13:59:14,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:59:14,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:59:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:59:16,537 INFO L134 CoverageAnalysis]: Checked inductivity of 7779 backedges. 6675 proven. 1073 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-18 13:59:16,783 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 13:59:16,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 14 [2024-10-18 13:59:16,789 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 13:59:16,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 13 [2024-10-18 13:59:20,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1031675252, now seen corresponding path program 1 times [2024-10-18 13:59:20,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:59:20,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:59:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:59:23,674 INFO L134 CoverageAnalysis]: Checked inductivity of 9263 backedges. 8119 proven. 1110 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-18 13:59:23,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:59:23,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:59:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:59:26,407 INFO L134 CoverageAnalysis]: Checked inductivity of 9263 backedges. 8119 proven. 1110 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-18 13:59:26,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 305 interpolants. [2024-10-18 13:59:26,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13190, Invalid=80140, Unknown=0, NotChecked=0, Total=93330 [2024-10-18 13:59:26,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:59:26,428 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:59:26,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 305 states, 305 states have (on average 3.4885245901639346) internal successors, (1064), 305 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-18 13:59:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:00:00,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 14:00:00,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 14:00:00,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 14:00:00,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 14:00:00,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-18 14:00:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2024-10-18 14:00:00,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-18 14:00:00,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-18 14:00:00,810 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 14:00:00,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 14:00:00,810 INFO L85 PathProgramCache]: Analyzing trace with hash -859746174, now seen corresponding path program 23 times [2024-10-18 14:00:00,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 14:00:00,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809295259] [2024-10-18 14:00:00,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:00:00,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:00:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:00:04,910 INFO L134 CoverageAnalysis]: Checked inductivity of 8546 backedges. 7494 proven. 1008 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-18 14:00:04,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 14:00:04,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809295259] [2024-10-18 14:00:04,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809295259] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 14:00:04,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55931478] [2024-10-18 14:00:04,910 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 14:00:04,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 14:00:04,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 14:00:04,912 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 14:00:04,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process Killed by 15