./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking NONE -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/chl-poker-hand-trans.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 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking NONE -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 [2024-10-16 21:51:08,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 21:51:08,831 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 21:51:08,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 21:51:08,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 21:51:08,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 21:51:08,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 21:51:08,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 21:51:08,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 21:51:08,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 21:51:08,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 21:51:08,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 21:51:08,870 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 21:51:08,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 21:51:08,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 21:51:08,871 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 21:51:08,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 21:51:08,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 21:51:08,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 21:51:08,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 21:51:08,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 21:51:08,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 21:51:08,874 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 21:51:08,875 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 21:51:08,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 21:51:08,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 21:51:08,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 21:51:08,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 21:51:08,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 21:51:08,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 21:51:08,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 21:51:08,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 21:51:08,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 21:51:08,878 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 21:51:08,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 21:51:08,879 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 21:51:08,879 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 21:51:08,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 21:51:08,879 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 21:51:08,880 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 21:51:08,880 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 21:51:08,884 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> NONE [2024-10-16 21:51:09,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 21:51:09,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 21:51:09,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 21:51:09,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 21:51:09,149 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 21:51:09,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c [2024-10-16 21:51:10,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 21:51:10,896 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 21:51:10,897 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c [2024-10-16 21:51:10,906 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c8c0dc0a8/f03d34f67e434148ab89c6f0e986f10e/FLAG57977f9d1 [2024-10-16 21:51:10,919 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c8c0dc0a8/f03d34f67e434148ab89c6f0e986f10e [2024-10-16 21:51:10,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 21:51:10,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 21:51:10,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 21:51:10,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 21:51:10,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 21:51:10,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:51:10" (1/1) ... [2024-10-16 21:51:10,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@597f78ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:51:10, skipping insertion in model container [2024-10-16 21:51:10,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:51:10" (1/1) ... [2024-10-16 21:51:10,964 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 21:51:11,256 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/chl-poker-hand-trans.wvr.c[18913,18926] [2024-10-16 21:51:11,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 21:51:11,290 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 21:51:11,437 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/chl-poker-hand-trans.wvr.c[18913,18926] [2024-10-16 21:51:11,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 21:51:11,473 INFO L204 MainTranslator]: Completed translation [2024-10-16 21:51:11,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:51:11 WrapperNode [2024-10-16 21:51:11,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 21:51:11,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 21:51:11,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 21:51:11,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 21:51:11,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:51:11" (1/1) ... [2024-10-16 21:51:11,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:51:11" (1/1) ... [2024-10-16 21:51:11,583 INFO L138 Inliner]: procedures = 25, calls = 439, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2391 [2024-10-16 21:51:11,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 21:51:11,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 21:51:11,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 21:51:11,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 21:51:11,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:51:11" (1/1) ... [2024-10-16 21:51:11,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:51:11" (1/1) ... [2024-10-16 21:51:11,612 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:51:11" (1/1) ... [2024-10-16 21:51:11,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:51:11" (1/1) ... [2024-10-16 21:51:11,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:51:11" (1/1) ... [2024-10-16 21:51:11,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:51:11" (1/1) ... [2024-10-16 21:51:11,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:51:11" (1/1) ... [2024-10-16 21:51:11,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:51:11" (1/1) ... [2024-10-16 21:51:11,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 21:51:11,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 21:51:11,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 21:51:11,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 21:51:11,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:51:11" (1/1) ... [2024-10-16 21:51:11,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 21:51:11,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:51:11,790 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) [2024-10-16 21:51:11,796 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 [2024-10-16 21:51:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 21:51:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-16 21:51:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-16 21:51:11,841 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-16 21:51:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-16 21:51:11,841 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-16 21:51:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-16 21:51:11,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 21:51:11,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-16 21:51:11,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 21:51:11,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 21:51:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-16 21:51:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 21:51:11,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 21:51:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-16 21:51:11,847 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 21:51:12,113 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 21:51:12,115 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 21:51:14,368 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 21:51:14,369 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 21:51:16,655 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 21:51:16,656 INFO L314 CfgBuilder]: Removed 18 assume(true) statements. [2024-10-16 21:51:16,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:51:16 BoogieIcfgContainer [2024-10-16 21:51:16,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 21:51:16,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 21:51:16,660 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 21:51:16,663 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 21:51:16,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 09:51:10" (1/3) ... [2024-10-16 21:51:16,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed6dbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:51:16, skipping insertion in model container [2024-10-16 21:51:16,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:51:11" (2/3) ... [2024-10-16 21:51:16,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed6dbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:51:16, skipping insertion in model container [2024-10-16 21:51:16,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:51:16" (3/3) ... [2024-10-16 21:51:16,666 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-trans.wvr.c [2024-10-16 21:51:16,685 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 21:51:16,686 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 21:51:16,686 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 21:51:17,225 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-16 21:51:17,278 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 21:51:17,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 21:51:17,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:51:17,281 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) [2024-10-16 21:51:17,283 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 [2024-10-16 21:51:17,533 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 21:51:17,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 21:51:17,558 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;@3a1b69fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=NONE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 21:51:17,559 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-16 21:51:18,151 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 21:51:18,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:51:18,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1390657958, now seen corresponding path program 1 times [2024-10-16 21:51:18,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:51:18,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803877504] [2024-10-16 21:51:18,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:51:18,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:51:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:51:18,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 21:51:18,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:51:18,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803877504] [2024-10-16 21:51:18,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803877504] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:51:18,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:51:18,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 21:51:18,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791427808] [2024-10-16 21:51:18,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:51:18,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 21:51:18,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:51:18,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 21:51:18,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 21:51:18,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:18,933 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:51:18,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-10-16 21:51:18,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:19,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:19,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-16 21:51:19,113 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 21:51:19,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:51:19,114 INFO L85 PathProgramCache]: Analyzing trace with hash -494003242, now seen corresponding path program 1 times [2024-10-16 21:51:19,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:51:19,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407745385] [2024-10-16 21:51:19,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:51:19,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:51:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:51:19,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-16 21:51:19,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:51:19,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407745385] [2024-10-16 21:51:19,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407745385] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:51:19,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:51:19,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 21:51:19,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653131750] [2024-10-16 21:51:19,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:51:19,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 21:51:19,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:51:19,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 21:51:19,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 21:51:19,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:19,445 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:51:19,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-10-16 21:51:19,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:19,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:19,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:19,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:19,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-16 21:51:19,585 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 21:51:19,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:51:19,585 INFO L85 PathProgramCache]: Analyzing trace with hash -283076897, now seen corresponding path program 1 times [2024-10-16 21:51:19,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:51:19,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801129243] [2024-10-16 21:51:19,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:51:19,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:51:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:51:20,027 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-16 21:51:20,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:51:20,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801129243] [2024-10-16 21:51:20,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801129243] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 21:51:20,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045824482] [2024-10-16 21:51:20,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:51:20,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:51:20,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:51:20,053 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) [2024-10-16 21:51:20,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-16 21:51:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:51:20,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-16 21:51:20,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 21:51:20,747 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-16 21:51:20,748 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-16 21:51:20,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045824482] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:51:20,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-16 21:51:20,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-16 21:51:20,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572502438] [2024-10-16 21:51:20,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:51:20,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 21:51:20,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:51:20,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 21:51:20,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-16 21:51:20,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:20,751 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:51:20,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 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) [2024-10-16 21:51:20,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:20,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:20,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:20,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:20,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:20,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:20,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-16 21:51:21,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-16 21:51:21,075 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 21:51:21,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:51:21,076 INFO L85 PathProgramCache]: Analyzing trace with hash -755127156, now seen corresponding path program 1 times [2024-10-16 21:51:21,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:51:21,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368722284] [2024-10-16 21:51:21,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:51:21,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:51:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:51:21,445 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-16 21:51:21,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:51:21,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368722284] [2024-10-16 21:51:21,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368722284] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 21:51:21,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109181102] [2024-10-16 21:51:21,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:51:21,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:51:21,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:51:21,450 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) [2024-10-16 21:51:21,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-16 21:51:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:51:22,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-16 21:51:22,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 21:51:22,188 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-16 21:51:22,188 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 21:51:22,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-16 21:51:22,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109181102] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 21:51:22,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 21:51:22,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2024-10-16 21:51:22,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794401383] [2024-10-16 21:51:22,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 21:51:22,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-16 21:51:22,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:51:22,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-16 21:51:22,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-16 21:51:22,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:22,226 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:51:22,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 21:51:22,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:22,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:22,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:22,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:22,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:22,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 21:51:22,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-16 21:51:22,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:51:22,747 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 21:51:22,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:51:22,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1452730817, now seen corresponding path program 2 times [2024-10-16 21:51:22,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:51:22,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668072363] [2024-10-16 21:51:22,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:51:22,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:51:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:51:23,262 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-10-16 21:51:23,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:51:23,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668072363] [2024-10-16 21:51:23,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668072363] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 21:51:23,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699864542] [2024-10-16 21:51:23,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 21:51:23,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:51:23,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:51:23,267 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) [2024-10-16 21:51:23,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-16 21:51:23,932 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-16 21:51:23,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 21:51:23,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-16 21:51:23,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 21:51:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-10-16 21:51:24,045 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-16 21:51:24,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699864542] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:51:24,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-16 21:51:24,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-10-16 21:51:24,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275327901] [2024-10-16 21:51:24,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:51:24,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-16 21:51:24,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:51:24,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-16 21:51:24,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-16 21:51:24,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:24,049 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:51:24,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-10-16 21:51:24,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:24,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:24,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:24,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 21:51:24,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:24,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:24,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:24,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:24,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 21:51:24,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:51:24,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-16 21:51:24,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:51:24,416 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 21:51:24,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:51:24,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1769516000, now seen corresponding path program 1 times [2024-10-16 21:51:24,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:51:24,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777828623] [2024-10-16 21:51:24,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:51:24,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:51:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:51:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-16 21:51:25,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:51:25,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777828623] [2024-10-16 21:51:25,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777828623] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 21:51:25,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241199331] [2024-10-16 21:51:25,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:51:25,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:51:25,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:51:25,024 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) [2024-10-16 21:51:25,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-16 21:51:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:51:25,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-16 21:51:25,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 21:51:25,810 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-16 21:51:25,811 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 21:51:25,903 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-16 21:51:25,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241199331] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 21:51:25,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 21:51:25,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2024-10-16 21:51:25,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714499451] [2024-10-16 21:51:25,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 21:51:25,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-16 21:51:25,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:51:25,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-16 21:51:25,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=156, Unknown=0, NotChecked=0, Total=272 [2024-10-16 21:51:25,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:25,907 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:51:25,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.705882352941177) internal successors, (80), 17 states have internal predecessors, (80), 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) [2024-10-16 21:51:25,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:25,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:25,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:25,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 21:51:25,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:51:25,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:26,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:26,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:26,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 21:51:26,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:51:26,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-16 21:51:26,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-16 21:51:26,533 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,SelfDestructingSolverStorable5 [2024-10-16 21:51:26,534 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 21:51:26,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:51:26,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1488787219, now seen corresponding path program 2 times [2024-10-16 21:51:26,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:51:26,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400620358] [2024-10-16 21:51:26,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:51:26,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:51:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:51:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-10-16 21:51:27,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:51:27,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400620358] [2024-10-16 21:51:27,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400620358] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 21:51:27,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993665695] [2024-10-16 21:51:27,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 21:51:27,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:51:27,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:51:27,572 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) [2024-10-16 21:51:27,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-16 21:51:28,359 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-16 21:51:28,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 21:51:28,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-16 21:51:28,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 21:51:28,527 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-10-16 21:51:28,527 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 21:51:28,659 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-10-16 21:51:28,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993665695] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 21:51:28,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 21:51:28,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 26 [2024-10-16 21:51:28,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554072689] [2024-10-16 21:51:28,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 21:51:28,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-16 21:51:28,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:51:28,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-16 21:51:28,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=370, Unknown=0, NotChecked=0, Total=650 [2024-10-16 21:51:28,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:28,663 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:51:28,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.230769230769231) internal successors, (84), 26 states have internal predecessors, (84), 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) [2024-10-16 21:51:28,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:28,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:28,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:28,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 21:51:28,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:51:28,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-16 21:51:28,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:29,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:29,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:29,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:29,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 21:51:29,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:51:29,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-16 21:51:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-16 21:51:29,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-16 21:51:29,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:51:29,335 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 21:51:29,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:51:29,336 INFO L85 PathProgramCache]: Analyzing trace with hash 658926428, now seen corresponding path program 3 times [2024-10-16 21:51:29,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:51:29,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742823764] [2024-10-16 21:51:29,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:51:29,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:51:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:51:29,984 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-10-16 21:51:29,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:51:29,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742823764] [2024-10-16 21:51:29,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742823764] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:51:29,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:51:29,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 21:51:29,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987096211] [2024-10-16 21:51:29,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:51:29,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 21:51:29,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:51:29,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 21:51:29,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 21:51:29,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:29,987 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:51:29,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2024-10-16 21:51:29,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:29,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:29,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:29,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 21:51:29,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:51:29,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-16 21:51:29,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-16 21:51:29,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:30,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:30,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:30,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:30,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 21:51:30,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:51:30,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-16 21:51:30,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-16 21:51:30,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:30,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-16 21:51:30,140 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 21:51:30,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:51:30,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1324853122, now seen corresponding path program 1 times [2024-10-16 21:51:30,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:51:30,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691016505] [2024-10-16 21:51:30,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:51:30,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:51:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:51:30,691 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-10-16 21:51:30,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:51:30,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691016505] [2024-10-16 21:51:30,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691016505] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 21:51:30,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 21:51:30,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 21:51:30,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908073986] [2024-10-16 21:51:30,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 21:51:30,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 21:51:30,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 21:51:30,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 21:51:30,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 21:51:30,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:30,694 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 21:51:30,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-10-16 21:51:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 21:51:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:51:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-16 21:51:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-16 21:51:30,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:30,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 21:51:30,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 21:51:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 21:51:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-16 21:51:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-16 21:51:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:30,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 21:51:30,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-16 21:51:30,849 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 21:51:30,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 21:51:30,849 INFO L85 PathProgramCache]: Analyzing trace with hash -482707125, now seen corresponding path program 1 times [2024-10-16 21:51:30,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 21:51:30,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567853839] [2024-10-16 21:51:30,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:51:30,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 21:51:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:51:40,826 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-10-16 21:51:40,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 21:51:40,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567853839] [2024-10-16 21:51:40,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567853839] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 21:51:40,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904219713] [2024-10-16 21:51:40,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 21:51:40,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 21:51:40,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 21:51:40,830 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) [2024-10-16 21:51:40,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-16 21:51:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 21:51:41,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-16 21:51:41,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 21:51:50,353 INFO L349 Elim1Store]: treesize reduction 3, result has 97.5 percent of original size [2024-10-16 21:51:50,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 160 [2024-10-16 21:51:50,575 INFO L349 Elim1Store]: treesize reduction 3, result has 97.5 percent of original size [2024-10-16 21:51:50,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 160 [2024-10-16 21:51:51,334 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-16 21:51:51,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 116 treesize of output 996 [2024-10-16 21:52:31,404 INFO L349 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2024-10-16 21:52:31,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 43 [2024-10-16 21:52:32,297 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-16 21:52:32,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 162 treesize of output 1350 [2024-10-16 21:57:16,746 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-10-16 21:57:16,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... Killed by 15