./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity GENERATOR -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-buffer-mult.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 e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity GENERATOR -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-17 02:02:39,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 02:02:39,585 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 02:02:39,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 02:02:39,591 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 02:02:39,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 02:02:39,615 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 02:02:39,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 02:02:39,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 02:02:39,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 02:02:39,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 02:02:39,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 02:02:39,621 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 02:02:39,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 02:02:39,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 02:02:39,622 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 02:02:39,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 02:02:39,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 02:02:39,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 02:02:39,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 02:02:39,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 02:02:39,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 02:02:39,624 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 02:02:39,625 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 02:02:39,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 02:02:39,626 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 02:02:39,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 02:02:39,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 02:02:39,627 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 02:02:39,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 02:02:39,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 02:02:39,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 02:02:39,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 02:02:39,628 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 02:02:39,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 02:02:39,628 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 02:02:39,628 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 02:02:39,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 02:02:39,629 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 02:02:39,629 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 02:02:39,629 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 02:02:39,629 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 -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> GENERATOR [2024-10-17 02:02:39,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 02:02:39,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 02:02:39,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 02:02:39,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 02:02:39,862 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 02:02:39,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-10-17 02:02:41,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 02:02:41,316 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 02:02:41,317 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-10-17 02:02:41,323 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/115832ab5/f1eb9cadda6041edb5845677a7b82dfb/FLAGec3c0e194 [2024-10-17 02:02:41,727 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/115832ab5/f1eb9cadda6041edb5845677a7b82dfb [2024-10-17 02:02:41,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 02:02:41,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 02:02:41,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 02:02:41,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 02:02:41,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 02:02:41,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 02:02:41" (1/1) ... [2024-10-17 02:02:41,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@518b3496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:02:41, skipping insertion in model container [2024-10-17 02:02:41,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 02:02:41" (1/1) ... [2024-10-17 02:02:41,757 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 02:02:41,926 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-buffer-mult.wvr.c[4270,4283] [2024-10-17 02:02:41,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 02:02:41,953 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 02:02:41,984 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-buffer-mult.wvr.c[4270,4283] [2024-10-17 02:02:41,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 02:02:42,009 INFO L204 MainTranslator]: Completed translation [2024-10-17 02:02:42,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:02:42 WrapperNode [2024-10-17 02:02:42,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 02:02:42,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 02:02:42,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 02:02:42,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 02:02:42,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:02:42" (1/1) ... [2024-10-17 02:02:42,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:02:42" (1/1) ... [2024-10-17 02:02:42,067 INFO L138 Inliner]: procedures = 26, calls = 60, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 296 [2024-10-17 02:02:42,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 02:02:42,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 02:02:42,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 02:02:42,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 02:02:42,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:02:42" (1/1) ... [2024-10-17 02:02:42,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:02:42" (1/1) ... [2024-10-17 02:02:42,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:02:42" (1/1) ... [2024-10-17 02:02:42,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:02:42" (1/1) ... [2024-10-17 02:02:42,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:02:42" (1/1) ... [2024-10-17 02:02:42,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:02:42" (1/1) ... [2024-10-17 02:02:42,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:02:42" (1/1) ... [2024-10-17 02:02:42,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:02:42" (1/1) ... [2024-10-17 02:02:42,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 02:02:42,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 02:02:42,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 02:02:42,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 02:02:42,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:02:42" (1/1) ... [2024-10-17 02:02:42,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 02:02:42,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:02:42,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-17 02:02:42,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-17 02:02:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 02:02:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-17 02:02:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-17 02:02:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-17 02:02:42,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-17 02:02:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-17 02:02:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-17 02:02:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-17 02:02:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-17 02:02:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-17 02:02:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-17 02:02:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 02:02:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 02:02:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 02:02:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-17 02:02:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 02:02:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 02:02:42,193 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 02:02:42,349 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 02:02:42,351 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 02:02:42,741 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 02:02:42,741 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 02:02:42,979 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 02:02:42,979 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-17 02:02:42,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 02:02:42 BoogieIcfgContainer [2024-10-17 02:02:42,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 02:02:42,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 02:02:42,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 02:02:42,984 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 02:02:42,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 02:02:41" (1/3) ... [2024-10-17 02:02:42,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae616fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 02:02:42, skipping insertion in model container [2024-10-17 02:02:42,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 02:02:42" (2/3) ... [2024-10-17 02:02:42,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae616fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 02:02:42, skipping insertion in model container [2024-10-17 02:02:42,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 02:02:42" (3/3) ... [2024-10-17 02:02:42,986 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2024-10-17 02:02:42,999 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 02:02:43,000 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 02:02:43,000 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 02:02:43,042 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-17 02:02:43,077 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 02:02:43,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 02:02:43,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:02:43,082 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-17 02:02:43,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-17 02:02:43,166 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 02:02:43,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:02:43,190 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 02:02:43,195 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;@53139828, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 02:02:43,196 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-17 02:02:45,026 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 02:02:45,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-17 02:02:45,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1878208306, now seen corresponding path program 1 times [2024-10-17 02:02:45,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:45,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:45,794 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-17 02:02:45,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:45,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-17 02:02:46,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 02:02:46,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 02:02:46,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 02:02:46,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:02:46,061 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:02:46,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:02:46,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:02:46,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:02:46,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-17 02:02:46,164 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 02:02:46,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-17 02:02:46,343 INFO L85 PathProgramCache]: Analyzing trace with hash -859171622, now seen corresponding path program 1 times [2024-10-17 02:02:46,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:46,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:46,540 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 02:02:46,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:46,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:46,706 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 02:02:46,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 02:02:46,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 02:02:46,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-17 02:02:46,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:02:46,708 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:02:46,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:02:46,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:02:46,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:02:46,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:02:46,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:02:46,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2 [2024-10-17 02:02:46,783 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 02:02:46,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-17 02:02:46,940 INFO L85 PathProgramCache]: Analyzing trace with hash -552691169, now seen corresponding path program 1 times [2024-10-17 02:02:46,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:46,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:47,214 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-17 02:02:47,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:47,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:47,474 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-17 02:02:47,565 INFO L85 PathProgramCache]: Analyzing trace with hash 30279488, now seen corresponding path program 1 times [2024-10-17 02:02:47,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:47,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:47,777 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-17 02:02:47,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:47,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-17 02:02:48,218 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:02:48,219 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 96 treesize of output 51 [2024-10-17 02:02:50,929 INFO L85 PathProgramCache]: Analyzing trace with hash -589786985, now seen corresponding path program 1 times [2024-10-17 02:02:50,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:50,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-17 02:02:51,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:51,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:51,523 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-17 02:02:51,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-17 02:02:51,717 INFO L85 PathProgramCache]: Analyzing trace with hash -708127553, now seen corresponding path program 1 times [2024-10-17 02:02:51,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:51,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 02:02:52,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:52,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:52,330 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 02:02:52,580 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:02:52,581 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 96 treesize of output 51 [2024-10-17 02:02:57,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1589965354, now seen corresponding path program 1 times [2024-10-17 02:02:57,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:57,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:57,711 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 02:02:57,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:57,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:58,038 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 02:02:58,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:02:58,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1553029290, now seen corresponding path program 1 times [2024-10-17 02:02:58,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:02:58,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943389622] [2024-10-17 02:02:58,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:58,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:58,579 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-10-17 02:02:58,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:02:58,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943389622] [2024-10-17 02:02:58,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943389622] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:02:58,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666451433] [2024-10-17 02:02:58,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:58,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:02:58,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:02:58,584 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 02:02:58,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-17 02:02:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:58,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-17 02:02:58,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 02:02:58,886 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 98 proven. 1 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-10-17 02:02:58,887 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 02:02:59,019 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-10-17 02:02:59,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666451433] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 02:02:59,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 02:02:59,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-10-17 02:02:59,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339356733] [2024-10-17 02:02:59,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 02:02:59,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-17 02:02:59,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 02:02:59,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-17 02:02:59,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-10-17 02:02:59,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:02:59,029 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:02:59,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.071428571428571) internal successors, (113), 13 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:02:59,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:02:59,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:02:59,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:02:59,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:02:59,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:02:59,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:02:59,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-17 02:02:59,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-10-17 02:02:59,441 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 02:02:59,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-17 02:02:59,625 INFO L85 PathProgramCache]: Analyzing trace with hash -510982289, now seen corresponding path program 1 times [2024-10-17 02:02:59,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:59,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:02:59,834 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 02:02:59,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:02:59,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:02:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:00,023 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 02:03:00,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1391906598, now seen corresponding path program 1 times [2024-10-17 02:03:00,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:00,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 02:03:00,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:00,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:00,499 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 02:03:00,744 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:03:00,745 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 96 treesize of output 51 [2024-10-17 02:03:07,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1588548913, now seen corresponding path program 1 times [2024-10-17 02:03:07,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:07,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:07,672 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-17 02:03:07,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:07,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:07,881 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-17 02:03:08,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-17 02:03:08,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1643062937, now seen corresponding path program 1 times [2024-10-17 02:03:08,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:08,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:08,373 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-17 02:03:08,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:08,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-17 02:03:08,921 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:03:08,921 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 96 treesize of output 51 [2024-10-17 02:03:09,582 INFO L85 PathProgramCache]: Analyzing trace with hash -75695194, now seen corresponding path program 1 times [2024-10-17 02:03:09,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:09,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:09,887 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 02:03:09,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:09,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:10,180 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 02:03:10,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:03:10,181 INFO L85 PathProgramCache]: Analyzing trace with hash 340173857, now seen corresponding path program 2 times [2024-10-17 02:03:10,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:03:10,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217914820] [2024-10-17 02:03:10,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:10,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:10,552 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 235 proven. 86 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-10-17 02:03:10,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:03:10,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217914820] [2024-10-17 02:03:10,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217914820] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:03:10,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040420707] [2024-10-17 02:03:10,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 02:03:10,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:03:10,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:03:10,554 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 02:03:10,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-17 02:03:10,708 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 02:03:10,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 02:03:10,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-17 02:03:10,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 02:03:10,795 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 115 proven. 1 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-10-17 02:03:10,795 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 02:03:10,894 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 109 proven. 7 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-10-17 02:03:10,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040420707] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 02:03:10,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 02:03:10,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-10-17 02:03:10,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558617016] [2024-10-17 02:03:10,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 02:03:10,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-17 02:03:10,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 02:03:10,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-17 02:03:10,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-17 02:03:10,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:03:10,898 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:03:10,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:03:10,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:03:10,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:03:10,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:03:10,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:03:11,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:03:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:03:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:03:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:03:11,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-17 02:03:11,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-17 02:03:11,222 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 02:03:11,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-17 02:03:11,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1651243386, now seen corresponding path program 1 times [2024-10-17 02:03:11,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:11,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:11,542 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 02:03:11,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:11,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:11,702 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 02:03:11,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1221815655, now seen corresponding path program 1 times [2024-10-17 02:03:11,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:11,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:11,945 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 02:03:11,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:11,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:12,120 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 02:03:12,347 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:03:12,348 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 96 treesize of output 51 [2024-10-17 02:03:12,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1033526512, now seen corresponding path program 1 times [2024-10-17 02:03:12,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:12,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:13,053 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 02:03:13,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:13,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:13,244 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 02:03:13,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-17 02:03:13,376 INFO L85 PathProgramCache]: Analyzing trace with hash 573926616, now seen corresponding path program 1 times [2024-10-17 02:03:13,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:13,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:13,609 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 02:03:13,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:13,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 02:03:14,076 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:03:14,077 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 96 treesize of output 51 [2024-10-17 02:03:17,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1752623439, now seen corresponding path program 1 times [2024-10-17 02:03:17,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:17,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-17 02:03:17,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:17,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:17,955 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-17 02:03:17,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:03:17,955 INFO L85 PathProgramCache]: Analyzing trace with hash 2106821927, now seen corresponding path program 3 times [2024-10-17 02:03:17,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:03:17,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852941163] [2024-10-17 02:03:17,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:17,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:18,369 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 273 proven. 77 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-10-17 02:03:18,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:03:18,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852941163] [2024-10-17 02:03:18,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852941163] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:03:18,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204434031] [2024-10-17 02:03:18,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 02:03:18,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:03:18,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:03:18,373 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 02:03:18,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-17 02:03:18,514 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-17 02:03:18,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 02:03:18,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-17 02:03:18,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 02:03:18,772 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 135 proven. 3 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-10-17 02:03:18,772 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 02:03:19,022 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 30 proven. 108 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-10-17 02:03:19,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204434031] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 02:03:19,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 02:03:19,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 19 [2024-10-17 02:03:19,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68835693] [2024-10-17 02:03:19,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 02:03:19,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-17 02:03:19,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 02:03:19,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-17 02:03:19,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2024-10-17 02:03:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:03:19,025 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:03:19,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.421052631578947) internal successors, (160), 19 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:03:19,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:03:19,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:03:19,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:03:19,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:03:19,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:03:19,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:03:19,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:03:19,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:03:19,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:03:19,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:03:19,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-17 02:03:19,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-17 02:03:19,465 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 02:03:19,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-17 02:03:19,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1264309006, now seen corresponding path program 1 times [2024-10-17 02:03:19,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:19,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:19,856 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 02:03:19,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:19,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:20,069 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 02:03:20,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1262574191, now seen corresponding path program 1 times [2024-10-17 02:03:20,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:20,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:20,342 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 02:03:20,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:20,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 02:03:20,740 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:03:20,740 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 96 treesize of output 51 [2024-10-17 02:03:29,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1143553082, now seen corresponding path program 1 times [2024-10-17 02:03:29,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:29,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:29,787 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 02:03:29,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:29,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:29,987 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 02:03:30,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-17 02:03:30,141 INFO L85 PathProgramCache]: Analyzing trace with hash -515452946, now seen corresponding path program 1 times [2024-10-17 02:03:30,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:30,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:30,436 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 02:03:30,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:03:30,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:03:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:03:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 02:03:30,926 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:03:30,927 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 96 treesize of output 51 [2024-10-17 02:04:00,146 INFO L85 PathProgramCache]: Analyzing trace with hash -617113915, now seen corresponding path program 1 times [2024-10-17 02:04:00,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:04:00,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:04:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:04:01,614 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-17 02:04:01,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:04:01,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:04:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:04:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-17 02:04:02,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:04:02,044 INFO L85 PathProgramCache]: Analyzing trace with hash -57241546, now seen corresponding path program 4 times [2024-10-17 02:04:02,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:04:02,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874816411] [2024-10-17 02:04:02,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:04:02,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:04:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:04:03,122 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 165 proven. 117 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-10-17 02:04:03,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:04:03,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874816411] [2024-10-17 02:04:03,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874816411] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:04:03,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138176230] [2024-10-17 02:04:03,123 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 02:04:03,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:04:03,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:04:03,125 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 02:04:03,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-17 02:04:03,291 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 02:04:03,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 02:04:03,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-17 02:04:03,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 02:04:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 286 proven. 6 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-10-17 02:04:09,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 02:04:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 135 proven. 157 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-10-17 02:04:14,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138176230] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 02:04:14,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 02:04:14,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 26 [2024-10-17 02:04:14,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016271181] [2024-10-17 02:04:14,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 02:04:14,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-17 02:04:14,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 02:04:14,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-17 02:04:14,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2024-10-17 02:04:14,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:04:14,400 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:04:14,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.814814814814815) internal successors, (211), 26 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:04:14,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:04:14,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:04:14,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:04:14,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:04:14,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:04:14,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:04:16,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:04:16,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:04:16,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:04:16,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:04:16,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:04:16,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:04:16,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-17 02:04:16,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-10-17 02:04:16,543 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 02:04:17,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-17 02:04:17,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1597361267, now seen corresponding path program 1 times [2024-10-17 02:04:17,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:04:17,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:04:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 02:04:17,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 02:04:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 02:04:18,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1099709716, now seen corresponding path program 1 times [2024-10-17 02:04:18,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:04:18,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:04:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:04:19,337 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-17 02:04:19,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:04:19,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:04:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:04:19,684 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-17 02:04:21,082 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:04:21,082 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 96 treesize of output 51 [2024-10-17 02:04:41,091 INFO L85 PathProgramCache]: Analyzing trace with hash -588970389, now seen corresponding path program 1 times [2024-10-17 02:04:41,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:04:41,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:04:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:04:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-17 02:04:41,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:04:41,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:04:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:04:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-17 02:04:42,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-17 02:04:42,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1257421459, now seen corresponding path program 1 times [2024-10-17 02:04:42,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:04:42,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:04:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:04:43,322 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-17 02:04:43,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:04:43,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:04:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:04:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-17 02:04:44,962 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:04:44,963 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 96 treesize of output 51 [2024-10-17 02:05:04,515 INFO L85 PathProgramCache]: Analyzing trace with hash -247881686, now seen corresponding path program 1 times [2024-10-17 02:05:04,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:05:04,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:05:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:05:04,949 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-17 02:05:04,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:05:04,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:05:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:05:05,374 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-17 02:05:05,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:05:05,375 INFO L85 PathProgramCache]: Analyzing trace with hash -244680298, now seen corresponding path program 5 times [2024-10-17 02:05:05,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:05:05,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434599342] [2024-10-17 02:05:05,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:05:05,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:05:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:05:06,477 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 188 proven. 97 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-10-17 02:05:06,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:05:06,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434599342] [2024-10-17 02:05:06,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434599342] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:05:06,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279259921] [2024-10-17 02:05:06,478 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 02:05:06,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:05:06,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:05:06,480 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 02:05:06,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-17 02:05:06,728 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-10-17 02:05:06,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 02:05:06,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-17 02:05:06,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 02:05:08,234 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 263 proven. 19 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-10-17 02:05:08,235 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 02:05:12,102 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 242 proven. 77 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-10-17 02:05:12,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279259921] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 02:05:12,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 02:05:12,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 10] total 22 [2024-10-17 02:05:12,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709807271] [2024-10-17 02:05:12,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 02:05:12,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-17 02:05:12,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 02:05:12,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-17 02:05:12,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2024-10-17 02:05:12,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:05:12,106 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:05:12,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 9.227272727272727) internal successors, (203), 22 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:05:12,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:05:12,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:05:12,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:05:12,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:05:12,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:05:12,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:05:12,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:05:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:05:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:05:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:05:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:05:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:05:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:05:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:05:14,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-17 02:05:14,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-10-17 02:05:14,901 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 02:05:15,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-17 02:05:16,017 INFO L85 PathProgramCache]: Analyzing trace with hash 662215115, now seen corresponding path program 1 times [2024-10-17 02:05:16,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:05:16,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:05:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:05:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 35 proven. 70 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-17 02:05:18,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:05:18,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:05:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:05:18,829 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 35 proven. 70 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-17 02:05:18,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:05:18,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1673261260, now seen corresponding path program 6 times [2024-10-17 02:05:18,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:05:18,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676638348] [2024-10-17 02:05:18,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:05:18,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:05:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:05:20,461 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 86 proven. 157 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-17 02:05:20,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:05:20,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676638348] [2024-10-17 02:05:20,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676638348] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:05:20,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896480118] [2024-10-17 02:05:20,462 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-17 02:05:20,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:05:20,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:05:20,464 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 02:05:20,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-17 02:05:20,821 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-10-17 02:05:20,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 02:05:20,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-17 02:05:20,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 02:05:23,206 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 85 proven. 111 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-17 02:05:23,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 02:05:24,361 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 92 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-17 02:05:24,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896480118] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 02:05:24,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 02:05:24,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 6] total 26 [2024-10-17 02:05:24,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370953975] [2024-10-17 02:05:24,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 02:05:24,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-17 02:05:24,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 02:05:24,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-17 02:05:24,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=563, Unknown=0, NotChecked=0, Total=650 [2024-10-17 02:05:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:05:24,364 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:05:24,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.461538461538462) internal successors, (194), 26 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:05:24,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:05:24,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:05:24,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:05:24,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:05:24,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:05:24,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:05:24,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:05:24,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:05:36,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:05:36,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:05:36,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:05:36,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:05:36,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:05:36,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:05:36,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:05:36,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:05:36,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-17 02:05:36,958 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,SelfDestructingSolverStorable60,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2024-10-17 02:05:36,958 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 02:05:37,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1441525430, now seen corresponding path program 1 times [2024-10-17 02:05:37,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:05:37,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:05:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:05:38,842 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 66 proven. 38 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-17 02:05:38,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:05:38,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:05:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:05:39,252 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 66 proven. 38 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-17 02:05:39,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:05:39,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1383788303, now seen corresponding path program 7 times [2024-10-17 02:05:39,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:05:39,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176108112] [2024-10-17 02:05:39,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:05:39,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:05:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:05:41,254 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 71 proven. 191 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-17 02:05:41,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:05:41,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176108112] [2024-10-17 02:05:41,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176108112] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:05:41,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165388684] [2024-10-17 02:05:41,254 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-17 02:05:41,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:05:41,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:05:41,256 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 02:05:41,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-17 02:05:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:05:41,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-17 02:05:41,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 02:05:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 233 proven. 10 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-17 02:05:46,274 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 02:05:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 174 proven. 69 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-17 02:05:51,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165388684] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 02:05:51,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 02:05:51,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 35 [2024-10-17 02:05:51,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196889805] [2024-10-17 02:05:51,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 02:05:51,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-17 02:05:51,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 02:05:51,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-17 02:05:51,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1012, Unknown=0, NotChecked=0, Total=1190 [2024-10-17 02:05:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:05:51,021 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:05:51,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 7.0285714285714285) internal successors, (246), 35 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:05:51,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:05:51,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:05:51,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:05:51,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:05:51,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:05:51,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:05:51,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:05:51,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:05:51,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:05:53,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:05:53,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:05:53,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:05:53,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:05:53,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:05:53,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:05:53,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:05:53,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:05:53,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:05:53,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-17 02:05:54,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:05:54,170 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 02:05:54,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1374011684, now seen corresponding path program 1 times [2024-10-17 02:05:54,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:05:54,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:05:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:05:58,083 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 12 proven. 48 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-10-17 02:05:58,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:05:58,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:05:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:05:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 12 proven. 48 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-10-17 02:05:58,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:05:58,721 INFO L85 PathProgramCache]: Analyzing trace with hash -781805376, now seen corresponding path program 8 times [2024-10-17 02:05:58,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:05:58,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641457019] [2024-10-17 02:05:58,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:05:58,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:05:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:06:00,979 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 107 proven. 184 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-17 02:06:00,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:06:00,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641457019] [2024-10-17 02:06:00,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641457019] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:06:00,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25249015] [2024-10-17 02:06:00,979 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 02:06:00,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:06:00,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:06:00,981 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 02:06:00,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-17 02:06:01,161 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 02:06:01,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 02:06:01,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-17 02:06:01,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 02:06:09,914 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 213 proven. 84 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-17 02:06:09,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 02:06:19,499 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 224 proven. 73 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-17 02:06:19,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25249015] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 02:06:19,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 02:06:19,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 51 [2024-10-17 02:06:19,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844723982] [2024-10-17 02:06:19,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 02:06:19,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-10-17 02:06:19,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 02:06:19,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-10-17 02:06:19,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=597, Invalid=2055, Unknown=0, NotChecked=0, Total=2652 [2024-10-17 02:06:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:06:19,501 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:06:19,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 6.288461538461538) internal successors, (327), 51 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:06:19,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:06:19,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:06:19,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:06:19,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:06:19,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:06:19,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:06:19,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:06:19,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:06:19,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:06:19,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:06:23,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:06:23,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:06:23,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:06:23,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:06:23,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:06:23,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:06:23,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:06:23,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:06:23,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:06:23,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-17 02:06:23,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-17 02:06:23,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:06:23,562 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 02:06:24,229 INFO L85 PathProgramCache]: Analyzing trace with hash -372095702, now seen corresponding path program 1 times [2024-10-17 02:06:24,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:06:24,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:06:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:06:26,503 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 15 proven. 53 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-10-17 02:06:26,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:06:26,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:06:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:06:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-10-17 02:06:29,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:06:29,428 INFO L85 PathProgramCache]: Analyzing trace with hash -833371573, now seen corresponding path program 9 times [2024-10-17 02:06:29,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:06:29,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765764678] [2024-10-17 02:06:29,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:06:29,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:06:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:06:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 157 proven. 152 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-17 02:06:32,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:06:32,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765764678] [2024-10-17 02:06:32,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765764678] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:06:32,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290819217] [2024-10-17 02:06:32,321 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 02:06:32,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:06:32,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:06:32,323 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 02:06:32,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-17 02:06:32,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-17 02:06:32,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 02:06:32,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-17 02:06:32,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 02:06:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-10-17 02:06:33,986 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 02:06:36,121 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 83 proven. 5 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-10-17 02:06:36,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290819217] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 02:06:36,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 02:06:36,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 7, 9] total 32 [2024-10-17 02:06:36,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488708698] [2024-10-17 02:06:36,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 02:06:36,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-17 02:06:36,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 02:06:36,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-17 02:06:36,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=852, Unknown=0, NotChecked=0, Total=992 [2024-10-17 02:06:36,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:06:36,125 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:06:36,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 5.625) internal successors, (180), 32 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:06:36,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:06:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:06:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:06:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:06:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:06:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:06:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:06:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:06:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:06:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-17 02:06:36,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:06:44,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:06:44,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:06:44,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:06:44,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:06:44,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:06:44,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:06:44,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:06:44,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:06:44,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:06:44,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-17 02:06:44,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-17 02:06:44,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-17 02:06:44,767 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,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2024-10-17 02:06:44,768 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 02:06:45,318 INFO L85 PathProgramCache]: Analyzing trace with hash 622528582, now seen corresponding path program 1 times [2024-10-17 02:06:45,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:06:45,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:06:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:06:48,279 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 16 proven. 70 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-17 02:06:48,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:06:48,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:06:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:06:49,990 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 12 proven. 48 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-10-17 02:06:50,834 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-17 02:06:50,835 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 40 treesize of output 20 [2024-10-17 02:06:51,979 INFO L85 PathProgramCache]: Analyzing trace with hash 260854923, now seen corresponding path program 1 times [2024-10-17 02:06:51,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:06:51,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:06:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:06:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-10-17 02:06:53,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:06:53,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:06:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:06:54,391 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-10-17 02:06:54,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1573333568, now seen corresponding path program 1 times [2024-10-17 02:06:54,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:06:54,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:06:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:06:56,256 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-10-17 02:06:56,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:06:56,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:06:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:06:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-10-17 02:06:56,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:06:56,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1333996539, now seen corresponding path program 10 times [2024-10-17 02:06:56,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:06:56,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966542772] [2024-10-17 02:06:56,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:06:56,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:06:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:06:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 179 proven. 36 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-10-17 02:06:57,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:06:57,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966542772] [2024-10-17 02:06:57,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966542772] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:06:57,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551690203] [2024-10-17 02:06:57,443 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 02:06:57,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:06:57,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:06:57,445 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 02:06:57,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-17 02:06:57,646 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 02:06:57,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 02:06:57,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-17 02:06:57,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 02:06:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 177 proven. 41 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-10-17 02:06:59,907 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 02:07:06,431 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 225 proven. 67 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-10-17 02:07:06,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551690203] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 02:07:06,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 02:07:06,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 20] total 27 [2024-10-17 02:07:06,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739430925] [2024-10-17 02:07:06,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 02:07:06,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-17 02:07:06,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 02:07:06,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-17 02:07:06,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2024-10-17 02:07:06,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:07:06,435 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:07:06,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.535714285714286) internal successors, (211), 27 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:07:06,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:07:06,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:07:06,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:07:06,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:07:06,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:07:06,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:07:06,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:07:06,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:07:06,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:07:06,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-17 02:07:06,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-17 02:07:06,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:07:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:07:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:07:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:07:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:07:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:07:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:07:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:07:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-17 02:07:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:07:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-17 02:07:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:07:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 02:07:48,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-17 02:07:48,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,SelfDestructingSolverStorable76,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:07:48,817 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 2 more)] === [2024-10-17 02:07:50,339 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:07:50,340 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 96 treesize of output 51 [2024-10-17 02:08:40,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1443746374, now seen corresponding path program 1 times [2024-10-17 02:08:40,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:08:40,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:08:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:08:42,511 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 31 proven. 147 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-10-17 02:08:42,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:08:42,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:08:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:08:43,072 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 31 proven. 147 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-10-17 02:08:44,672 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:08:44,672 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 96 treesize of output 51 [2024-10-17 02:08:52,639 INFO L85 PathProgramCache]: Analyzing trace with hash 2075205228, now seen corresponding path program 1 times [2024-10-17 02:08:52,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:08:52,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:08:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:08:59,482 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 137 proven. 503 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-10-17 02:08:59,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:08:59,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:08:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:09:00,832 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 137 proven. 503 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-10-17 02:09:02,197 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:09:02,197 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 96 treesize of output 51 [2024-10-17 02:09:28,049 WARN L286 SmtUtils]: Spent 20.36s on a formula simplification. DAG size of input: 33 DAG size of output: 28 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-10-17 02:09:28,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1833224898, now seen corresponding path program 1 times [2024-10-17 02:09:28,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:09:28,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:09:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:09:29,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 137 proven. 503 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-10-17 02:09:29,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:09:29,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:09:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:09:31,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 137 proven. 503 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-10-17 02:09:31,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1182721914, now seen corresponding path program 1 times [2024-10-17 02:09:31,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:09:31,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:09:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:09:33,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 137 proven. 503 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-10-17 02:09:33,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:09:33,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:09:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:09:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 137 proven. 503 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-10-17 02:09:35,631 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-17 02:09:35,632 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 42 treesize of output 22 [2024-10-17 02:09:36,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1552338157, now seen corresponding path program 1 times [2024-10-17 02:09:36,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:09:36,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:09:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:09:38,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 137 proven. 503 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2024-10-17 02:09:38,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:09:38,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:09:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:09:39,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 137 proven. 503 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2024-10-17 02:09:40,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-10-17 02:09:41,178 INFO L85 PathProgramCache]: Analyzing trace with hash -608166576, now seen corresponding path program 1 times [2024-10-17 02:09:41,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:09:41,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:09:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:09:42,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 137 proven. 503 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-10-17 02:09:42,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:09:42,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:09:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:09:44,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 137 proven. 503 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-10-17 02:09:45,876 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:09:45,876 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 96 treesize of output 51 [2024-10-17 02:09:51,813 INFO L85 PathProgramCache]: Analyzing trace with hash -521724449, now seen corresponding path program 1 times [2024-10-17 02:09:51,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:09:51,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:09:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:09:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 137 proven. 503 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-10-17 02:09:53,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:09:53,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:09:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:09:55,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 137 proven. 503 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-10-17 02:09:55,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:09:55,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1430738235, now seen corresponding path program 11 times [2024-10-17 02:09:55,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:09:55,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955601477] [2024-10-17 02:09:55,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:09:55,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:09:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:09:59,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3680 backedges. 1917 proven. 931 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2024-10-17 02:09:59,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:09:59,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955601477] [2024-10-17 02:09:59,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955601477] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:09:59,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003390288] [2024-10-17 02:09:59,518 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 02:09:59,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:09:59,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:09:59,520 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 02:09:59,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-17 02:10:00,216 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2024-10-17 02:10:00,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 02:10:00,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-10-17 02:10:00,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 02:10:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3680 backedges. 1365 proven. 2248 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-17 02:10:31,125 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 02:10:51,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3680 backedges. 1413 proven. 1525 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2024-10-17 02:10:51,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003390288] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 02:10:51,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 02:10:51,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 50, 21] total 89 [2024-10-17 02:10:51,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648760535] [2024-10-17 02:10:51,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 02:10:51,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2024-10-17 02:10:51,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 02:10:51,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2024-10-17 02:10:51,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1146, Invalid=6686, Unknown=0, NotChecked=0, Total=7832 [2024-10-17 02:10:51,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:10:51,259 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:10:51,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 7.370786516853933) internal successors, (656), 89 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:10:51,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:10:51,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:10:51,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:10:51,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:10:51,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:10:51,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:10:51,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:10:51,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-17 02:10:51,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:10:51,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-17 02:10:51,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:10:51,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 02:10:51,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:11:57,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:11:57,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:11:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:11:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:11:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:11:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:11:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:11:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-17 02:11:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:11:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-17 02:11:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:11:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 02:11:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-10-17 02:11:57,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-17 02:11:58,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable80,SelfDestructingSolverStorable91,SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable84,SelfDestructingSolverStorable85,SelfDestructingSolverStorable86,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87,SelfDestructingSolverStorable77,SelfDestructingSolverStorable88,SelfDestructingSolverStorable78,SelfDestructingSolverStorable89,SelfDestructingSolverStorable79 [2024-10-17 02:11:58,169 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 2 more)] === [2024-10-17 02:11:59,545 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:11:59,546 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 96 treesize of output 51 [2024-10-17 02:12:08,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1470659406, now seen corresponding path program 1 times [2024-10-17 02:12:08,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:12:08,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:12:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:12:12,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6650 backedges. 401 proven. 2582 refuted. 0 times theorem prover too weak. 3667 trivial. 0 not checked. [2024-10-17 02:12:12,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:12:12,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:12:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:12:14,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6650 backedges. 401 proven. 2582 refuted. 0 times theorem prover too weak. 3667 trivial. 0 not checked. [2024-10-17 02:12:14,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:12:14,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1721519104, now seen corresponding path program 12 times [2024-10-17 02:12:14,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:12:14,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778240119] [2024-10-17 02:12:14,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:12:14,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:12:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:12:19,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5832 backedges. 1097 proven. 2265 refuted. 0 times theorem prover too weak. 2470 trivial. 0 not checked. [2024-10-17 02:12:19,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:12:19,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778240119] [2024-10-17 02:12:19,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778240119] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:12:19,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744650425] [2024-10-17 02:12:19,925 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-17 02:12:19,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:12:19,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:12:19,928 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) [2024-10-17 02:12:19,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-17 02:12:20,536 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-10-17 02:12:20,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 02:12:20,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-17 02:12:20,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 02:12:31,298 INFO L134 CoverageAnalysis]: Checked inductivity of 5832 backedges. 1369 proven. 15 refuted. 0 times theorem prover too weak. 4448 trivial. 0 not checked. [2024-10-17 02:12:31,299 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 02:12:42,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5832 backedges. 281 proven. 1103 refuted. 0 times theorem prover too weak. 4448 trivial. 0 not checked. [2024-10-17 02:12:42,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744650425] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 02:12:42,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 02:12:42,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 14, 14] total 47 [2024-10-17 02:12:42,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883179510] [2024-10-17 02:12:42,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 02:12:42,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-10-17 02:12:42,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 02:12:42,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-10-17 02:12:42,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=1848, Unknown=0, NotChecked=0, Total=2162 [2024-10-17 02:12:42,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:12:42,119 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:12:42,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 6.702127659574468) internal successors, (315), 47 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:12:42,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:12:42,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:12:42,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:12:42,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:12:42,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:12:42,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:12:42,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:12:42,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-17 02:12:42,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:12:42,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-17 02:12:42,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:12:42,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 02:12:42,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-10-17 02:12:42,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:12:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:12:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:12:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:12:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:12:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:12:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:12:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:12:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-17 02:12:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:12:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-17 02:12:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:12:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 02:12:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-10-17 02:12:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 02:12:46,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-17 02:12:47,095 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,SelfDestructingSolverStorable92,SelfDestructingSolverStorable93,SelfDestructingSolverStorable94 [2024-10-17 02:12:47,096 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 2 more)] === [2024-10-17 02:12:48,449 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:12:48,449 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 96 treesize of output 51 [2024-10-17 02:13:03,776 INFO L85 PathProgramCache]: Analyzing trace with hash 877283042, now seen corresponding path program 1 times [2024-10-17 02:13:03,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:13:03,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:13:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:13:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6667 backedges. 551 proven. 2855 refuted. 0 times theorem prover too weak. 3261 trivial. 0 not checked. [2024-10-17 02:13:07,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:13:07,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:13:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:13:10,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6667 backedges. 551 proven. 2855 refuted. 0 times theorem prover too weak. 3261 trivial. 0 not checked. [2024-10-17 02:13:10,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:13:10,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1478247953, now seen corresponding path program 13 times [2024-10-17 02:13:10,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:13:10,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878539016] [2024-10-17 02:13:10,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:13:10,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:13:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:13:16,095 INFO L134 CoverageAnalysis]: Checked inductivity of 5849 backedges. 1214 proven. 2412 refuted. 0 times theorem prover too weak. 2223 trivial. 0 not checked. [2024-10-17 02:13:16,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:13:16,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878539016] [2024-10-17 02:13:16,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878539016] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:13:16,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721334629] [2024-10-17 02:13:16,095 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-17 02:13:16,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:13:16,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:13:16,097 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) [2024-10-17 02:13:16,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-17 02:13:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:13:16,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 1751 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-17 02:13:16,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 02:13:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 5849 backedges. 2135 proven. 21 refuted. 0 times theorem prover too weak. 3693 trivial. 0 not checked. [2024-10-17 02:13:24,966 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 02:13:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5849 backedges. 2035 proven. 121 refuted. 0 times theorem prover too weak. 3693 trivial. 0 not checked. [2024-10-17 02:13:33,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721334629] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 02:13:33,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 02:13:33,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 16, 16] total 53 [2024-10-17 02:13:33,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399622233] [2024-10-17 02:13:33,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 02:13:33,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-10-17 02:13:33,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 02:13:33,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-10-17 02:13:33,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=2361, Unknown=0, NotChecked=0, Total=2756 [2024-10-17 02:13:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:13:33,090 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:13:33,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 7.509433962264151) internal successors, (398), 53 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:13:33,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:13:33,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:13:33,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:13:33,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:13:33,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:13:33,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:13:33,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:13:33,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-17 02:13:33,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:13:33,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-17 02:13:33,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:13:33,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 02:13:33,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-10-17 02:13:33,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 02:13:33,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:13:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:13:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:13:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:13:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:13:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:13:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:13:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:13:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-17 02:13:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:13:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-17 02:13:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:13:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 02:13:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-10-17 02:13:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 02:13:37,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 02:13:37,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-17 02:13:37,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,SelfDestructingSolverStorable96,SelfDestructingSolverStorable97,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:13:37,586 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 2 more)] === [2024-10-17 02:13:39,115 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:13:39,115 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 96 treesize of output 51 [2024-10-17 02:14:02,182 WARN L286 SmtUtils]: Spent 14.25s on a formula simplification. DAG size of input: 34 DAG size of output: 14 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-10-17 02:14:02,183 INFO L85 PathProgramCache]: Analyzing trace with hash -458688844, now seen corresponding path program 1 times [2024-10-17 02:14:02,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:14:02,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:14:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:14:06,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6686 backedges. 727 proven. 3077 refuted. 0 times theorem prover too weak. 2882 trivial. 0 not checked. [2024-10-17 02:14:06,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:14:06,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:14:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:14:09,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6686 backedges. 727 proven. 3077 refuted. 0 times theorem prover too weak. 2882 trivial. 0 not checked. [2024-10-17 02:14:09,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:14:09,030 INFO L85 PathProgramCache]: Analyzing trace with hash -656492704, now seen corresponding path program 14 times [2024-10-17 02:14:09,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:14:09,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115972066] [2024-10-17 02:14:09,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:14:09,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:14:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:14:15,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5868 backedges. 1345 proven. 2532 refuted. 0 times theorem prover too weak. 1991 trivial. 0 not checked. [2024-10-17 02:14:15,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:14:15,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115972066] [2024-10-17 02:14:15,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115972066] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:14:15,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58439273] [2024-10-17 02:14:15,281 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 02:14:15,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:14:15,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:14:15,282 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) [2024-10-17 02:14:15,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-17 02:14:15,690 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 02:14:15,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 02:14:15,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-17 02:14:15,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 02:14:25,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5868 backedges. 2444 proven. 28 refuted. 0 times theorem prover too weak. 3396 trivial. 0 not checked. [2024-10-17 02:14:25,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 02:14:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5868 backedges. 2324 proven. 148 refuted. 0 times theorem prover too weak. 3396 trivial. 0 not checked. [2024-10-17 02:14:35,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58439273] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 02:14:35,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 02:14:35,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 18, 18] total 59 [2024-10-17 02:14:35,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734760728] [2024-10-17 02:14:35,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 02:14:35,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-10-17 02:14:35,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 02:14:35,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-10-17 02:14:35,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=486, Invalid=2936, Unknown=0, NotChecked=0, Total=3422 [2024-10-17 02:14:35,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:14:35,238 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:14:35,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 7.508474576271187) internal successors, (443), 59 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:14:35,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:14:35,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:14:35,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:14:35,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:14:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:14:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:14:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:14:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-17 02:14:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:14:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-17 02:14:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:14:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 02:14:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-10-17 02:14:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 02:14:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 02:14:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:14:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:14:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:14:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:14:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:14:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:14:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:14:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:14:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-17 02:14:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:14:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-17 02:14:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:14:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 02:14:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-10-17 02:14:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 02:14:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 02:14:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-17 02:14:40,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-17 02:14:40,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,SelfDestructingSolverStorable99,SelfDestructingSolverStorable100,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:14:40,440 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 2 more)] === [2024-10-17 02:14:41,870 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:14:41,870 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 96 treesize of output 51 [2024-10-17 02:14:55,244 INFO L85 PathProgramCache]: Analyzing trace with hash 592050696, now seen corresponding path program 1 times [2024-10-17 02:14:55,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:14:55,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:14:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:14:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6707 backedges. 929 proven. 3248 refuted. 0 times theorem prover too weak. 2530 trivial. 0 not checked. [2024-10-17 02:14:59,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:14:59,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:15:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:15:02,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6707 backedges. 929 proven. 3248 refuted. 0 times theorem prover too weak. 2530 trivial. 0 not checked. [2024-10-17 02:15:02,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:15:02,478 INFO L85 PathProgramCache]: Analyzing trace with hash 780683569, now seen corresponding path program 15 times [2024-10-17 02:15:02,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:15:02,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688001547] [2024-10-17 02:15:02,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:15:02,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:15:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:15:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5889 backedges. 1490 proven. 2625 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2024-10-17 02:15:09,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:15:09,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688001547] [2024-10-17 02:15:09,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688001547] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:15:09,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052679075] [2024-10-17 02:15:09,494 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 02:15:09,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:15:09,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:15:09,495 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) [2024-10-17 02:15:09,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-17 02:15:10,476 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-10-17 02:15:10,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 02:15:10,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-17 02:15:10,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 02:15:25,697 INFO L134 CoverageAnalysis]: Checked inductivity of 5889 backedges. 2113 proven. 36 refuted. 0 times theorem prover too weak. 3740 trivial. 0 not checked. [2024-10-17 02:15:25,698 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 02:15:42,124 INFO L134 CoverageAnalysis]: Checked inductivity of 5889 backedges. 414 proven. 1735 refuted. 0 times theorem prover too weak. 3740 trivial. 0 not checked. [2024-10-17 02:15:42,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052679075] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 02:15:42,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 02:15:42,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 20, 20] total 65 [2024-10-17 02:15:42,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901642186] [2024-10-17 02:15:42,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 02:15:42,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-10-17 02:15:42,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 02:15:42,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-10-17 02:15:42,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=587, Invalid=3573, Unknown=0, NotChecked=0, Total=4160 [2024-10-17 02:15:42,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:15:42,127 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 02:15:42,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 6.584615384615384) internal successors, (428), 65 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 02:15:42,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:15:42,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:15:42,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:15:42,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:15:42,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:15:42,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:15:42,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:15:42,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-17 02:15:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:15:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-17 02:15:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:15:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 02:15:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-10-17 02:15:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 02:15:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 02:15:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-17 02:15:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 02:15:47,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:15:47,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 02:15:47,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:15:47,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 02:15:47,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 02:15:47,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:15:47,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 02:15:47,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-17 02:15:47,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 02:15:47,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-17 02:15:47,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:15:47,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 02:15:47,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-10-17 02:15:47,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 02:15:47,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 02:15:47,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-17 02:15:47,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 02:15:47,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-17 02:15:47,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101,SelfDestructingSolverStorable102,SelfDestructingSolverStorable103 [2024-10-17 02:15:47,378 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 2 more)] === [2024-10-17 02:15:48,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 02:15:48,992 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 96 treesize of output 51 [2024-10-17 02:16:03,731 INFO L85 PathProgramCache]: Analyzing trace with hash 2020198938, now seen corresponding path program 1 times [2024-10-17 02:16:03,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:16:03,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:16:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:16:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 6730 backedges. 1157 proven. 3368 refuted. 0 times theorem prover too weak. 2205 trivial. 0 not checked. [2024-10-17 02:16:08,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:16:08,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:16:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:16:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 6730 backedges. 1157 proven. 3368 refuted. 0 times theorem prover too weak. 2205 trivial. 0 not checked. [2024-10-17 02:16:11,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 02:16:11,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1008564928, now seen corresponding path program 16 times [2024-10-17 02:16:11,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 02:16:11,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258017720] [2024-10-17 02:16:11,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 02:16:11,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 02:16:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 02:16:20,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5912 backedges. 1649 proven. 2691 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2024-10-17 02:16:20,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 02:16:20,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258017720] [2024-10-17 02:16:20,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258017720] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 02:16:20,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776540529] [2024-10-17 02:16:20,122 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 02:16:20,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 02:16:20,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 02:16:20,124 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) [2024-10-17 02:16:20,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-17 02:16:20,589 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 02:16:20,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 02:16:20,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 1805 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-10-17 02:16:20,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... Killed by 15