./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 c8af2e9e80aefb6a93651d6c869df13510f679bd9566c8571973545c9393aab5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 11:32:09,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 11:32:09,812 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 11:32:09,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 11:32:09,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 11:32:09,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 11:32:09,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 11:32:09,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 11:32:09,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 11:32:09,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 11:32:09,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 11:32:09,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 11:32:09,850 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 11:32:09,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 11:32:09,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 11:32:09,850 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 11:32:09,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 11:32:09,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 11:32:09,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 11:32:09,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 11:32:09,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 11:32:09,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 11:32:09,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 11:32:09,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 11:32:09,852 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 11:32:09,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 11:32:09,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 11:32:09,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 11:32:09,852 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 11:32:09,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 11:32:09,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 11:32:09,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 11:32:09,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 11:32:09,852 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 11:32:09,852 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 11:32:09,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 11:32:09,853 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 11:32:09,853 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 11:32:09,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 11:32:09,853 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 11:32:09,853 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 11:32:09,853 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 11:32:09,853 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 11:32:09,853 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-jdk21/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 -> c8af2e9e80aefb6a93651d6c869df13510f679bd9566c8571973545c9393aab5 [2024-11-21 11:32:10,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 11:32:10,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 11:32:10,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 11:32:10,184 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 11:32:10,184 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 11:32:10,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i [2024-11-21 11:32:11,519 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/8218d5e3c/3e0ff51b7ba84339b724f368b75166cd/FLAGd18c5876d [2024-11-21 11:32:11,844 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 11:32:11,844 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i [2024-11-21 11:32:11,865 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/8218d5e3c/3e0ff51b7ba84339b724f368b75166cd/FLAGd18c5876d [2024-11-21 11:32:12,081 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/8218d5e3c/3e0ff51b7ba84339b724f368b75166cd [2024-11-21 11:32:12,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 11:32:12,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 11:32:12,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 11:32:12,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 11:32:12,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 11:32:12,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:32:12" (1/1) ... [2024-11-21 11:32:12,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f73c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:32:12, skipping insertion in model container [2024-11-21 11:32:12,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:32:12" (1/1) ... [2024-11-21 11:32:12,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 11:32:12,439 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i[41323,41336] [2024-11-21 11:32:12,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 11:32:12,501 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 11:32:12,549 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i[41323,41336] [2024-11-21 11:32:12,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 11:32:12,636 INFO L204 MainTranslator]: Completed translation [2024-11-21 11:32:12,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:32:12 WrapperNode [2024-11-21 11:32:12,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 11:32:12,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 11:32:12,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 11:32:12,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 11:32:12,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:32:12" (1/1) ... [2024-11-21 11:32:12,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:32:12" (1/1) ... [2024-11-21 11:32:12,706 INFO L138 Inliner]: procedures = 272, calls = 109, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 324 [2024-11-21 11:32:12,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 11:32:12,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 11:32:12,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 11:32:12,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 11:32:12,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:32:12" (1/1) ... [2024-11-21 11:32:12,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:32:12" (1/1) ... [2024-11-21 11:32:12,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:32:12" (1/1) ... [2024-11-21 11:32:12,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:32:12" (1/1) ... [2024-11-21 11:32:12,731 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:32:12" (1/1) ... [2024-11-21 11:32:12,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:32:12" (1/1) ... [2024-11-21 11:32:12,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:32:12" (1/1) ... [2024-11-21 11:32:12,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:32:12" (1/1) ... [2024-11-21 11:32:12,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:32:12" (1/1) ... [2024-11-21 11:32:12,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 11:32:12,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 11:32:12,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 11:32:12,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 11:32:12,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:32:12" (1/1) ... [2024-11-21 11:32:12,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 11:32:12,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:12,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 11:32:12,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 11:32:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-21 11:32:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-21 11:32:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-21 11:32:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 11:32:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 11:32:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-21 11:32:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 11:32:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-21 11:32:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-21 11:32:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 11:32:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 11:32:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 11:32:12,827 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 11:32:12,983 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 11:32:12,984 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 11:32:13,424 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 11:32:13,424 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 11:32:13,860 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 11:32:13,861 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-21 11:32:13,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:32:13 BoogieIcfgContainer [2024-11-21 11:32:13,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 11:32:13,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 11:32:13,864 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 11:32:13,870 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 11:32:13,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:32:12" (1/3) ... [2024-11-21 11:32:13,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b736a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:32:13, skipping insertion in model container [2024-11-21 11:32:13,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:32:12" (2/3) ... [2024-11-21 11:32:13,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b736a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:32:13, skipping insertion in model container [2024-11-21 11:32:13,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:32:13" (3/3) ... [2024-11-21 11:32:13,874 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_73-funloop_hard_racefree.i [2024-11-21 11:32:13,888 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 11:32:13,890 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_73-funloop_hard_racefree.i that has 2 procedures, 97 locations, 1 initial locations, 20 loop locations, and 3 error locations. [2024-11-21 11:32:13,890 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 11:32:13,944 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-21 11:32:13,999 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:32:14,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 11:32:14,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:14,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 11:32:14,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 11:32:14,098 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 11:32:14,116 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-21 11:32:14,125 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;@152ded3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:32:14,126 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 11:32:14,410 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:14,410 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:14,410 INFO L139 ounterexampleChecker]: Examining path program with hash -917722506, occurence #1 [2024-11-21 11:32:14,410 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:32:14,410 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:14,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:14,415 INFO L85 PathProgramCache]: Analyzing trace with hash 90116, now seen corresponding path program 1 times [2024-11-21 11:32:14,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:14,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710143495] [2024-11-21 11:32:14,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:14,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:14,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:32:14,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:14,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710143495] [2024-11-21 11:32:14,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710143495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:32:14,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:32:14,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 11:32:14,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591809717] [2024-11-21 11:32:14,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:32:14,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 11:32:14,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:32:14,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 11:32:14,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 11:32:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:14,802 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:32:14,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2024-11-21 11:32:14,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:14,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:14,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 11:32:14,880 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:14,880 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:14,880 INFO L139 ounterexampleChecker]: Examining path program with hash -917722506, occurence #2 [2024-11-21 11:32:14,881 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:32:14,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 11:32:14,882 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:14,882 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 11:32:14,882 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:32:14,882 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:32:14,882 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:14,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:14,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1661965167, now seen corresponding path program 1 times [2024-11-21 11:32:14,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:14,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050533967] [2024-11-21 11:32:14,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:14,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:32:15,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:15,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050533967] [2024-11-21 11:32:15,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050533967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:32:15,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838416711] [2024-11-21 11:32:15,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:15,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:15,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:15,056 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:32:15,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 11:32:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:15,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 11:32:15,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:32:15,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:32:15,216 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:32:15,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:32:15,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838416711] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:32:15,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:32:15,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-21 11:32:15,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237394297] [2024-11-21 11:32:15,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:32:15,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 11:32:15,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:32:15,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 11:32:15,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 11:32:15,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:15,244 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:32:15,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-11-21 11:32:15,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:15,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:15,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:15,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:15,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-21 11:32:15,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:15,545 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:15,545 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:15,545 INFO L139 ounterexampleChecker]: Examining path program with hash -917722506, occurence #3 [2024-11-21 11:32:15,546 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:32:15,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 11:32:15,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:15,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 11:32:15,546 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:32:15,546 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:32:15,546 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:15,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:15,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1806197444, now seen corresponding path program 2 times [2024-11-21 11:32:15,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:15,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073487502] [2024-11-21 11:32:15,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:15,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:15,783 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:32:15,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:15,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073487502] [2024-11-21 11:32:15,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073487502] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:32:15,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370011638] [2024-11-21 11:32:15,785 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:32:15,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:15,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:15,789 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:32:15,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 11:32:15,907 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 11:32:15,908 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:32:15,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-21 11:32:15,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:32:16,046 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:32:16,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-21 11:32:16,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-21 11:32:16,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-21 11:32:16,372 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 11:32:16,372 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:32:16,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370011638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:32:16,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:32:16,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2024-11-21 11:32:16,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537993599] [2024-11-21 11:32:16,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:32:16,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 11:32:16,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:32:16,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 11:32:16,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-21 11:32:16,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:16,374 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:32:16,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 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) [2024-11-21 11:32:16,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:16,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:16,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:16,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 11:32:16,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:16,802 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:16,802 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:16,802 INFO L139 ounterexampleChecker]: Examining path program with hash 2016706571, occurence #1 [2024-11-21 11:32:16,802 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:32:16,802 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:16,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:16,803 INFO L85 PathProgramCache]: Analyzing trace with hash 18886496, now seen corresponding path program 1 times [2024-11-21 11:32:16,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:16,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943477527] [2024-11-21 11:32:16,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:16,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:17,004 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 11:32:17,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:17,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943477527] [2024-11-21 11:32:17,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943477527] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:32:17,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804832521] [2024-11-21 11:32:17,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:17,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:17,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:17,007 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:32:17,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 11:32:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:17,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 11:32:17,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:32:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 11:32:17,184 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:32:17,250 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 11:32:17,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804832521] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:32:17,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:32:17,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-21 11:32:17,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549778538] [2024-11-21 11:32:17,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:32:17,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:32:17,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:32:17,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:32:17,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-21 11:32:17,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:17,253 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:32:17,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 12 states have internal predecessors, (44), 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) [2024-11-21 11:32:17,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:17,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:17,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:17,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:17,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:17,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:17,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:17,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:17,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 11:32:17,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:17,572 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:17,572 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:17,572 INFO L139 ounterexampleChecker]: Examining path program with hash 2016706571, occurence #2 [2024-11-21 11:32:17,572 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:32:17,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:32:17,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:17,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:32:17,572 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:32:17,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:32:17,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:17,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:32:17,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:17,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:32:17,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:17,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:32:17,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:17,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:32:17,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:17,573 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:32:17,573 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:17,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:17,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1268879232, now seen corresponding path program 2 times [2024-11-21 11:32:17,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:17,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498548699] [2024-11-21 11:32:17,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:17,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:18,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:18,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498548699] [2024-11-21 11:32:18,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498548699] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:32:18,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212264139] [2024-11-21 11:32:18,714 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:32:18,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:18,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:18,716 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:32:18,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 11:32:18,869 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 11:32:18,869 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:32:18,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-21 11:32:18,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:32:19,010 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:32:19,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-21 11:32:19,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:32:19,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:32:19,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:19,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:19,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:19,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:19,627 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:19,628 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:32:20,175 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:20,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212264139] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:32:20,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:32:20,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 28 [2024-11-21 11:32:20,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678505449] [2024-11-21 11:32:20,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:32:20,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-21 11:32:20,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:32:20,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-21 11:32:20,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=660, Unknown=34, NotChecked=0, Total=812 [2024-11-21 11:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:20,177 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:32:20,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.6551724137931036) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:32:20,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:20,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:20,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:20,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:20,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:20,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:20,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:20,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:20,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:20,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:20,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 11:32:20,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:20,787 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:20,787 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:20,787 INFO L139 ounterexampleChecker]: Examining path program with hash 2016706571, occurence #3 [2024-11-21 11:32:20,787 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:32:20,787 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:32:20,787 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,787 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:32:20,787 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:32:20,787 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:32:20,787 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,787 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:32:20,787 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,787 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:32:20,787 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,787 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:32:20,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:32:20,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:32:20,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:32:20,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:32:20,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:32:20,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:32:20,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:20,788 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:32:20,788 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:20,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:20,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1256217060, now seen corresponding path program 3 times [2024-11-21 11:32:20,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:20,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502375813] [2024-11-21 11:32:20,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:20,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:21,846 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:21,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:21,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502375813] [2024-11-21 11:32:21,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502375813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:32:21,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878338820] [2024-11-21 11:32:21,846 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 11:32:21,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:21,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:21,849 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:32:21,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 11:32:22,035 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 11:32:22,035 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:32:22,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-21 11:32:22,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:32:22,151 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:32:22,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-21 11:32:22,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:32:22,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:32:22,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:22,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:22,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:22,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:22,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:22,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:22,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:22,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:22,921 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:22,921 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:32:23,186 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_368 Int) (v_ArrVal_364 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_364))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_368))) |c_~#cache~0.base|) (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:23,208 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_31| Int) (v_ArrVal_364 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_31|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_364) |c_~#cache~0.base|) (+ 56 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2024-11-21 11:32:23,241 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_364 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_364) |c_~#cache~0.base|) (+ 56 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:23,324 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:23,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878338820] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:32:23,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:32:23,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 13] total 33 [2024-11-21 11:32:23,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795099103] [2024-11-21 11:32:23,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:32:23,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-21 11:32:23,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:32:23,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-21 11:32:23,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=804, Unknown=10, NotChecked=180, Total=1122 [2024-11-21 11:32:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:23,327 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:32:23,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.852941176470588) internal successors, (165), 33 states have internal predecessors, (165), 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) [2024-11-21 11:32:23,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:23,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:23,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:23,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:23,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:23,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:23,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:23,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:23,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:23,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:23,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:23,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:23,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-21 11:32:23,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-21 11:32:23,985 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:23,985 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:23,985 INFO L139 ounterexampleChecker]: Examining path program with hash 2016706571, occurence #4 [2024-11-21 11:32:23,985 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:32:23,986 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:32:23,986 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,986 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:32:23,986 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:32:23,986 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:32:23,987 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,987 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:32:23,987 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,987 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:32:23,987 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,987 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:32:23,987 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,987 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:32:23,987 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,987 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:32:23,987 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,987 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:32:23,987 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,987 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:32:23,987 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,987 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:32:23,987 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:32:23,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:32:23,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:32:23,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:32:23,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:32:23,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:32:23,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:23,989 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:32:23,989 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:23,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:23,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1173116600, now seen corresponding path program 4 times [2024-11-21 11:32:23,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:23,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208467035] [2024-11-21 11:32:23,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:23,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:25,255 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:25,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:25,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208467035] [2024-11-21 11:32:25,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208467035] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:32:25,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599070842] [2024-11-21 11:32:25,256 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 11:32:25,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:25,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:25,259 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:32:25,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 11:32:25,680 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 11:32:25,681 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:32:25,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-21 11:32:25,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:32:25,806 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:32:25,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-21 11:32:25,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:32:25,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:32:26,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:26,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:26,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:26,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:26,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:26,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:26,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:26,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:26,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:26,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:26,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:26,599 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:26,599 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:32:29,439 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_530 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_530) |c_~#cache~0.base|) (+ 84 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39|)))) is different from false [2024-11-21 11:32:29,497 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_530 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_530) |c_~#cache~0.base|) (+ 84 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:29,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599070842] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:32:29,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:32:29,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 15] total 39 [2024-11-21 11:32:29,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117701394] [2024-11-21 11:32:29,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:32:29,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-21 11:32:29,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:32:29,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-21 11:32:29,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1244, Unknown=16, NotChecked=146, Total=1560 [2024-11-21 11:32:29,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:29,593 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:32:29,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 5.625) internal successors, (225), 39 states have internal predecessors, (225), 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) [2024-11-21 11:32:29,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:29,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:29,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:29,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:29,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:29,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:29,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:30,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:30,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-21 11:32:30,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:30,645 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:30,645 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:30,646 INFO L139 ounterexampleChecker]: Examining path program with hash 2016706571, occurence #5 [2024-11-21 11:32:30,646 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:32:30,646 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:32:30,646 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,646 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:32:30,646 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:32:30,646 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:32:30,646 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,646 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:32:30,646 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,646 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:32:30,646 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,646 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:32:30,646 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,646 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:32:30,646 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,646 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:32:30,646 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,646 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:32:30,646 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:32:30,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:32:30,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:32:30,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:32:30,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:32:30,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:32:30,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:32:30,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:32:30,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:32:30,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:32:30,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:32:30,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:32:30,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:32:30,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:30,647 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:32:30,647 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:30,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:30,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1320591700, now seen corresponding path program 5 times [2024-11-21 11:32:30,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:30,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262783040] [2024-11-21 11:32:30,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:30,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:32,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:32,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262783040] [2024-11-21 11:32:32,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262783040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:32:32,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488549700] [2024-11-21 11:32:32,157 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 11:32:32,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:32,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:32,160 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:32:32,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 11:32:38,580 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-21 11:32:38,580 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:32:38,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-21 11:32:38,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:32:38,756 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:32:38,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-21 11:32:38,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:32:38,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:32:38,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:38,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:39,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:39,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:39,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:39,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:39,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:39,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:39,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:39,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:39,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:39,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:39,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:39,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:39,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:39,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:39,923 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:39,923 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:32:40,560 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_732 (Array Int Int)) (v_ArrVal_735 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_732))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_735))) |c_~#cache~0.base|) (+ 112 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:40,579 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_732 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_49| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_49|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_732) |c_~#cache~0.base|) (+ 112 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2024-11-21 11:32:40,632 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_732 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_732) |c_~#cache~0.base|) (+ 112 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:40,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488549700] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:32:40,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:32:40,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 17] total 45 [2024-11-21 11:32:40,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400684243] [2024-11-21 11:32:40,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:32:40,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-21 11:32:40,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:32:40,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-21 11:32:40,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1624, Unknown=18, NotChecked=252, Total=2070 [2024-11-21 11:32:40,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:40,735 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:32:40,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 6.217391304347826) internal successors, (286), 45 states have internal predecessors, (286), 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) [2024-11-21 11:32:40,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:40,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:40,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:40,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:40,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:40,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:40,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:40,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:41,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:41,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:41,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:41,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:41,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:41,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:41,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:41,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:32:41,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-21 11:32:42,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:42,009 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:42,009 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:42,010 INFO L139 ounterexampleChecker]: Examining path program with hash 2016706571, occurence #6 [2024-11-21 11:32:42,010 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:32:42,010 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:32:42,010 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,010 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:32:42,010 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:32:42,010 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:32:42,010 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,010 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:32:42,010 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,010 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:32:42,010 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,010 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:32:42,010 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,010 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:32:42,010 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:32:42,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:32:42,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:32:42,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:32:42,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:32:42,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:32:42,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:32:42,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:32:42,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:32:42,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:32:42,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:32:42,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:32:42,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:32:42,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:32:42,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:32:42,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:32:42,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:32:42,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:32:42,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:32:42,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:32:42,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:42,012 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:32:42,012 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:42,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:42,012 INFO L85 PathProgramCache]: Analyzing trace with hash -223509008, now seen corresponding path program 6 times [2024-11-21 11:32:42,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:42,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560079977] [2024-11-21 11:32:42,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:42,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:43,768 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:43,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:43,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560079977] [2024-11-21 11:32:43,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560079977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:32:43,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785907266] [2024-11-21 11:32:43,768 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 11:32:43,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:43,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:43,771 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:32:43,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-21 11:32:45,400 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-21 11:32:45,400 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:32:45,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 94 conjuncts are in the unsatisfiable core [2024-11-21 11:32:45,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:32:45,496 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:32:45,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-21 11:32:45,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:32:45,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:32:45,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:45,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:45,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:45,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:45,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:45,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:46,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:46,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:46,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:46,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:46,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:46,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:46,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:46,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:46,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:46,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:46,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:46,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:46,849 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:46,849 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:32:48,550 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_970 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_970) |c_~#cache~0.base|) (+ 140 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:48,636 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:48,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785907266] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:32:48,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:32:48,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 50 [2024-11-21 11:32:48,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711263339] [2024-11-21 11:32:48,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:32:48,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-21 11:32:48,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:32:48,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-21 11:32:48,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=2223, Unknown=31, NotChecked=96, Total=2550 [2024-11-21 11:32:48,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:48,641 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:32:48,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 6.764705882352941) internal successors, (345), 50 states have internal predecessors, (345), 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) [2024-11-21 11:32:48,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:48,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:48,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:48,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:48,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:48,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:48,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:48,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:32:48,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:50,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:50,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:50,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:50,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:50,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:50,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:50,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:50,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:32:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:32:50,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-21 11:32:50,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:50,209 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:50,209 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:50,210 INFO L139 ounterexampleChecker]: Examining path program with hash 2016706571, occurence #7 [2024-11-21 11:32:50,210 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:32:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:32:50,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:32:50,210 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:32:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:32:50,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:32:50,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:32:50,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:32:50,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:32:50,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:32:50,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:32:50,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:32:50,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:32:50,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:32:50,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 11:32:50,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 11:32:50,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 11:32:50,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 11:32:50,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 11:32:50,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:50,212 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:32:50,212 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:50,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:50,212 INFO L85 PathProgramCache]: Analyzing trace with hash -411040628, now seen corresponding path program 7 times [2024-11-21 11:32:50,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:50,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835593757] [2024-11-21 11:32:50,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:50,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:52,156 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:52,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:52,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835593757] [2024-11-21 11:32:52,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835593757] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:32:52,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826026066] [2024-11-21 11:32:52,156 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 11:32:52,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:52,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:52,158 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:32:52,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-21 11:32:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:52,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-11-21 11:32:52,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:32:52,448 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:32:52,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-21 11:32:52,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:32:52,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:32:52,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:52,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:52,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:52,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:52,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:52,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:53,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:53,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:53,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:53,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:53,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:53,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:53,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:53,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:53,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:53,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:53,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:53,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:53,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:53,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:53,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:53,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:53,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:54,026 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:54,026 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:32:55,052 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1244 (Array Int Int)) (v_ArrVal_1247 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1244))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1247))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 168 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:55,067 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75| Int) (v_ArrVal_1244 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_75|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1244) |c_~#cache~0.base|) (+ .cse0 168 |c_~#cache~0.offset|)) 0)))) is different from false [2024-11-21 11:32:55,123 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1244 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1244) |c_~#cache~0.base|) (+ 168 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:32:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:55,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826026066] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:32:55,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:32:55,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 21] total 57 [2024-11-21 11:32:55,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27354888] [2024-11-21 11:32:55,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:32:55,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-21 11:32:55,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:32:55,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-21 11:32:55,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=2746, Unknown=12, NotChecked=324, Total=3306 [2024-11-21 11:32:55,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:55,205 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:32:55,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 6.982758620689655) internal successors, (405), 57 states have internal predecessors, (405), 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) [2024-11-21 11:32:55,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:55,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:55,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:55,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:55,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:55,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:55,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:55,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:32:55,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:32:55,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:32:56,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:32:56,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:56,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:32:56,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:32:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:32:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:32:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:32:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:32:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:32:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:32:56,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-21 11:32:56,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-21 11:32:56,919 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:32:56,919 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:32:56,919 INFO L139 ounterexampleChecker]: Examining path program with hash 2016706571, occurence #8 [2024-11-21 11:32:56,919 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:32:56,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:32:56,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:32:56,919 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:32:56,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:32:56,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:32:56,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:32:56,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:32:56,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:32:56,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:32:56,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:32:56,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:32:56,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:32:56,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:32:56,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 11:32:56,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 11:32:56,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 11:32:56,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 11:32:56,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 11:32:56,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 11:32:56,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 11:32:56,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 11:32:56,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 11:32:56,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 11:32:56,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:32:56,921 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:32:56,921 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:32:56,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:32:56,922 INFO L85 PathProgramCache]: Analyzing trace with hash 895294760, now seen corresponding path program 8 times [2024-11-21 11:32:56,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:32:56,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696137733] [2024-11-21 11:32:56,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:32:56,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:32:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:32:59,282 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:32:59,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:32:59,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696137733] [2024-11-21 11:32:59,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696137733] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:32:59,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213923023] [2024-11-21 11:32:59,283 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:32:59,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:32:59,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:32:59,285 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:32:59,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-21 11:32:59,537 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 11:32:59,537 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:32:59,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-11-21 11:32:59,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:32:59,640 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:32:59,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-21 11:32:59,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:32:59,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:32:59,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:59,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:32:59,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:32:59,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:00,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:00,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:00,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:00,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:00,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:00,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:00,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:00,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:00,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:00,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:00,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:00,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:00,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:00,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:00,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:01,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:01,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:01,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:01,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:01,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:01,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:01,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:01,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:33:01,442 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:33:04,146 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1554 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1554) |c_~#cache~0.base|) (+ 196 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)))) is different from false [2024-11-21 11:33:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:33:04,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213923023] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:33:04,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:33:04,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 23] total 63 [2024-11-21 11:33:04,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014168755] [2024-11-21 11:33:04,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:33:04,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-21 11:33:04,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:33:04,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-21 11:33:04,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=3596, Unknown=58, NotChecked=122, Total=4032 [2024-11-21 11:33:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:33:04,308 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:33:04,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.28125) internal successors, (466), 63 states have internal predecessors, (466), 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) [2024-11-21 11:33:04,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:33:04,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:33:04,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:33:04,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:33:04,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:33:04,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:33:04,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:33:04,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:33:04,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:33:04,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:33:04,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:33:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:33:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:33:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:33:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:33:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:33:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:33:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:33:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:33:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:33:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:33:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:33:06,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-21 11:33:06,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-21 11:33:06,399 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:33:06,399 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:33:06,400 INFO L139 ounterexampleChecker]: Examining path program with hash 2016706571, occurence #9 [2024-11-21 11:33:06,400 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:33:06,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:33:06,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:33:06,400 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:33:06,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:33:06,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:33:06,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:33:06,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:33:06,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:33:06,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:33:06,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:33:06,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:33:06,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:33:06,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 11:33:06,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 11:33:06,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 11:33:06,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 11:33:06,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 11:33:06,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 11:33:06,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 11:33:06,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 11:33:06,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 11:33:06,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 11:33:06,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-21 11:33:06,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 11:33:06,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-21 11:33:06,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-21 11:33:06,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 11:33:06,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:06,402 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:33:06,402 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:33:06,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:33:06,403 INFO L85 PathProgramCache]: Analyzing trace with hash -151793724, now seen corresponding path program 9 times [2024-11-21 11:33:06,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:33:06,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289360291] [2024-11-21 11:33:06,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:33:06,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:33:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:33:09,004 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:33:09,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:33:09,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289360291] [2024-11-21 11:33:09,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289360291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:33:09,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429005693] [2024-11-21 11:33:09,005 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 11:33:09,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:33:09,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:33:09,007 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:33:09,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-21 11:33:22,586 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-21 11:33:22,586 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:33:22,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 140 conjuncts are in the unsatisfiable core [2024-11-21 11:33:22,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:33:22,790 INFO L349 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2024-11-21 11:33:22,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2024-11-21 11:33:22,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-21 11:33:23,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-21 11:33:23,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:23,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:23,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:33:23,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:23,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:23,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:33:23,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:23,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:23,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:33:23,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:23,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:23,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:33:23,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:23,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:23,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:33:23,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:23,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:23,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:33:24,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:24,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:24,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:33:24,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:24,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:24,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:33:24,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-11-21 11:33:24,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-11-21 11:33:24,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:24,711 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-21 11:33:24,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-21 11:33:24,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:24,838 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-21 11:33:24,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 29 [2024-11-21 11:33:25,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:25,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:25,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:25,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:25,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:25,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:25,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:33:25,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:33:25,499 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:33:25,499 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:33:26,985 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1900 (Array Int Int)) (v_ArrVal_1904 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1900))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1904))) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:33:27,440 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:33:27,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429005693] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:33:27,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:33:27,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 27, 25] total 72 [2024-11-21 11:33:27,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751752901] [2024-11-21 11:33:27,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:33:27,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-11-21 11:33:27,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:33:27,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-11-21 11:33:27,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=4749, Unknown=47, NotChecked=140, Total=5256 [2024-11-21 11:33:27,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:33:27,444 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:33:27,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 7.191780821917808) internal successors, (525), 72 states have internal predecessors, (525), 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) [2024-11-21 11:33:27,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:33:27,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:33:27,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:33:27,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:33:27,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:33:27,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:33:27,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:33:27,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:33:27,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:33:27,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:33:27,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:33:27,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:33:29,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:33:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:33:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:33:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:33:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:33:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:33:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:33:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:33:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:33:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:33:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:33:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 11:33:29,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-21 11:33:29,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:33:29,853 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:33:29,853 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:33:29,853 INFO L139 ounterexampleChecker]: Examining path program with hash 2016706571, occurence #10 [2024-11-21 11:33:29,853 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:33:29,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:33:29,853 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:33:29,853 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:33:29,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:33:29,853 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:33:29,853 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:33:29,853 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:33:29,853 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:33:29,853 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:33:29,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 11:33:29,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,856 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-21 11:33:29,856 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,856 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 11:33:29,856 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,856 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-21 11:33:29,856 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,856 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-21 11:33:29,856 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,856 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 11:33:29,856 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:33:29,856 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:33:29,856 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:33:29,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:33:29,857 INFO L85 PathProgramCache]: Analyzing trace with hash 426974304, now seen corresponding path program 10 times [2024-11-21 11:33:29,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:33:29,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883514334] [2024-11-21 11:33:29,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:33:29,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:33:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:33:32,415 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:33:32,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:33:32,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883514334] [2024-11-21 11:33:32,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883514334] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:33:32,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002355985] [2024-11-21 11:33:32,415 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 11:33:32,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:33:32,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:33:32,417 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:33:32,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-21 11:41:35,617 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 11:41:35,617 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:41:35,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 158 conjuncts are in the unsatisfiable core [2024-11-21 11:41:35,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:41:35,812 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 11:41:35,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-21 11:41:35,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:41:36,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:41:36,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:36,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:36,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:36,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-11-21 11:41:36,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:36,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:36,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:36,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-11-21 11:41:36,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:36,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:36,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:36,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-11-21 11:41:36,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:36,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:36,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:36,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-11-21 11:41:36,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2024-11-21 11:41:36,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2024-11-21 11:41:37,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:37,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:37,157 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-21 11:41:37,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 35 [2024-11-21 11:41:37,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:37,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:37,317 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-21 11:41:37,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 39 [2024-11-21 11:41:37,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:37,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:37,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:41:37,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:37,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:37,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-21 11:41:37,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-11-21 11:41:37,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-11-21 11:41:38,076 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 9 treesize of output 3 [2024-11-21 11:41:38,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:38,148 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-21 11:41:38,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-11-21 11:41:38,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:38,282 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-21 11:41:38,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 29 [2024-11-21 11:41:38,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:38,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:41:38,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:38,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:41:38,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:38,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:41:38,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:41:38,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-21 11:41:38,950 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:41:38,950 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:41:39,599 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 10 treesize of output 4 [2024-11-21 11:41:40,913 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2285 Int) (v_ArrVal_2282 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2282))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_2285))) |c_~#cache~0.base|) (+ 252 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:41:41,155 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2282 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2282) |c_~#cache~0.base|) (+ 252 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-21 11:41:41,277 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:41:41,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002355985] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:41:41,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:41:41,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 32, 27] total 81 [2024-11-21 11:41:41,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488786122] [2024-11-21 11:41:41,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:41:41,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-11-21 11:41:41,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:41:41,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-11-21 11:41:41,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=377, Invalid=5911, Unknown=40, NotChecked=314, Total=6642 [2024-11-21 11:41:41,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:41,282 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:41:41,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 7.134146341463414) internal successors, (585), 81 states have internal predecessors, (585), 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) [2024-11-21 11:41:41,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:41,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:41,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:41,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:41:41,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:41:41,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:41:41,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:41:41,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:41:41,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:41:41,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:41:41,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:41:41,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 11:41:41,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:41:44,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:41:44,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:44,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:41:44,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:41:44,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:41:44,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:41:44,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:41:44,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:41:44,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:41:44,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:41:44,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:41:44,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 11:41:44,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 11:41:44,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-21 11:41:44,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:41:44,500 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:41:44,500 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:41:44,500 INFO L139 ounterexampleChecker]: Examining path program with hash 2016706571, occurence #11 [2024-11-21 11:41:44,500 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:41:44,500 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:41:44,500 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,500 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:41:44,500 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:41:44,500 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 11:41:44,500 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,500 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:41:44,500 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,500 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 11:41:44,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-21 11:41:44,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-21 11:41:44,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 11:41:44,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-21 11:41:44,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 11:41:44,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-21 11:41:44,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-21 11:41:44,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 11:41:44,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-11-21 11:41:44,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2024-11-21 11:41:44,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2024-11-21 11:41:44,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-21 11:41:44,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2024-11-21 11:41:44,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:41:44,503 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:41:44,503 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:41:44,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:41:44,504 INFO L85 PathProgramCache]: Analyzing trace with hash 478806780, now seen corresponding path program 11 times [2024-11-21 11:41:44,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:41:44,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528993777] [2024-11-21 11:41:44,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:41:44,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:41:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:41:44,796 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 767 proven. 153 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:41:44,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:41:44,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528993777] [2024-11-21 11:41:44,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528993777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:41:44,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188151249] [2024-11-21 11:41:44,796 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 11:41:44,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:41:44,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:41:44,799 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:41:44,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-21 11:43:29,614 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-21 11:43:29,614 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:43:29,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 11:43:29,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 920 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:43:29,869 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:43:29,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188151249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:43:29,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:43:29,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 14 [2024-11-21 11:43:29,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885964962] [2024-11-21 11:43:29,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:29,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:43:29,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:29,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:43:29,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2024-11-21 11:43:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:29,871 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:29,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 16.76923076923077) internal successors, (218), 13 states have internal predecessors, (218), 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) [2024-11-21 11:43:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 11:43:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 11:43:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:43:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:43:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 11:43:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 11:43:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:43:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 11:43:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 11:43:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 11:43:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:43:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:43:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:43:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 11:43:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 11:43:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 11:43:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-21 11:43:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 11:43:45,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:43:45,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-21 11:43:45,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-21 11:43:45,478 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:43:45,478 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:45,479 INFO L139 ounterexampleChecker]: Examining path program with hash 416982419, occurence #1 [2024-11-21 11:43:45,479 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:43:45,479 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:45,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:45,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1987557389, now seen corresponding path program 1 times [2024-11-21 11:43:45,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:45,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028918182] [2024-11-21 11:43:45,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:45,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1513 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1513 trivial. 0 not checked. [2024-11-21 11:43:45,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:45,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028918182] [2024-11-21 11:43:45,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028918182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:43:45,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:43:45,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 11:43:45,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155754182] [2024-11-21 11:43:45,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:45,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 11:43:45,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:45,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 11:43:45,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 11:43:45,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:45,609 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:45,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 11:43:45,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:45,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:45,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 11:43:45,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:45,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:45,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:43:45,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:43:45,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:43:45,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 11:43:45,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 11:43:45,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 11:43:45,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-11-21 11:43:45,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 11:43:45,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:43:45,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:46,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:46,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:46,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 11:43:46,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:46,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:46,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 11:43:46,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:43:46,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 11:43:46,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 11:43:46,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 11:43:46,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 11:43:46,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-21 11:43:46,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 11:43:46,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 11:43:46,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 11:43:46,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-21 11:43:46,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-21 11:43:46,636 INFO L422 BasicCegarLoop]: Path program histogram: [11, 2, 1, 1] [2024-11-21 11:43:46,638 INFO L319 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE (1/2) [2024-11-21 11:43:46,641 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:43:46,642 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 11:43:46,642 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 11:43:46,643 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;@152ded3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:43:46,643 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-21 11:43:46,649 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:43:46,650 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:46,650 INFO L139 ounterexampleChecker]: Examining path program with hash -1653243137, occurence #1 [2024-11-21 11:43:46,650 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:43:46,650 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:46,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:46,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1439742186, now seen corresponding path program 1 times [2024-11-21 11:43:46,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:46,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214409462] [2024-11-21 11:43:46,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:46,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:46,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:46,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:46,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214409462] [2024-11-21 11:43:46,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214409462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:43:46,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:43:46,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 11:43:46,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325458161] [2024-11-21 11:43:46,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:46,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 11:43:46,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:46,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 11:43:46,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 11:43:46,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:46,676 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:46,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-11-21 11:43:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:46,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:46,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-21 11:43:46,705 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:43:46,705 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:46,705 INFO L139 ounterexampleChecker]: Examining path program with hash -1653243137, occurence #2 [2024-11-21 11:43:46,705 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:43:46,705 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 11:43:46,705 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:46,705 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 11:43:46,705 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:43:46,705 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:43:46,705 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:46,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:46,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1290328383, now seen corresponding path program 1 times [2024-11-21 11:43:46,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:46,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490881054] [2024-11-21 11:43:46,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:46,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:46,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:46,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:46,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490881054] [2024-11-21 11:43:46,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490881054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:43:46,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489590841] [2024-11-21 11:43:46,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:46,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:46,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:43:46,739 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:43:46,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-21 11:43:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:46,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 11:43:46,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:46,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:46,930 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:43:46,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:46,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489590841] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:43:46,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:43:46,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-21 11:43:46,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251776219] [2024-11-21 11:43:46,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:43:46,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 11:43:46,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:46,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 11:43:46,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 11:43:46,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:46,941 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:46,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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) [2024-11-21 11:43:46,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:46,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:46,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:46,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:46,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-21 11:43:47,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-21 11:43:47,171 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:43:47,171 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:47,171 INFO L139 ounterexampleChecker]: Examining path program with hash -1653243137, occurence #3 [2024-11-21 11:43:47,171 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:43:47,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 11:43:47,171 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:47,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 11:43:47,171 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:43:47,171 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:43:47,171 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:47,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:47,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1795204650, now seen corresponding path program 2 times [2024-11-21 11:43:47,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:47,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583585852] [2024-11-21 11:43:47,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:47,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:47,214 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:47,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:47,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583585852] [2024-11-21 11:43:47,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583585852] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:43:47,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732679727] [2024-11-21 11:43:47,214 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:43:47,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:47,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:43:47,216 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:43:47,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-21 11:43:47,393 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 11:43:47,394 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:43:47,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 11:43:47,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:47,405 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:47,405 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:43:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:47,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732679727] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:43:47,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:43:47,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-21 11:43:47,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540407383] [2024-11-21 11:43:47,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:43:47,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:43:47,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:47,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:43:47,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-21 11:43:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:47,444 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:47,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 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) [2024-11-21 11:43:47,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:47,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:47,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:47,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:47,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:47,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-21 11:43:47,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-21 11:43:47,688 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 11:43:47,688 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:47,688 INFO L139 ounterexampleChecker]: Examining path program with hash -1653243137, occurence #4 [2024-11-21 11:43:47,688 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:43:47,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:43:47,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:47,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:43:47,688 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:43:47,688 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:43:47,688 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:47,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:47,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1444371978, now seen corresponding path program 3 times [2024-11-21 11:43:47,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:47,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225802818] [2024-11-21 11:43:47,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:47,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 11:43:47,704 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-21 11:43:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 11:43:47,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-21 11:43:47,741 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-21 11:43:47,741 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-11-21 11:43:47,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-11-21 11:43:47,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-11-21 11:43:47,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-21 11:43:47,744 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-21 11:43:47,744 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/2) [2024-11-21 11:43:47,745 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-21 11:43:47,745 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-21 11:43:47,773 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-21 11:43:47,777 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:43:47,786 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 11:43:47,787 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of2ForFork0 ======== [2024-11-21 11:43:47,787 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;@152ded3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 11:43:47,788 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 11:43:48,258 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:43:48,259 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:48,259 INFO L139 ounterexampleChecker]: Examining path program with hash -387949587, occurence #1 [2024-11-21 11:43:48,259 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:43:48,259 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:48,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:48,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1679819962, now seen corresponding path program 1 times [2024-11-21 11:43:48,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:48,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864183470] [2024-11-21 11:43:48,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:48,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:48,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:48,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:48,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864183470] [2024-11-21 11:43:48,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864183470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:43:48,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:43:48,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 11:43:48,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502591378] [2024-11-21 11:43:48,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:48,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 11:43:48,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:48,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 11:43:48,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 11:43:48,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:48,327 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:48,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2024-11-21 11:43:48,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:48,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:48,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-21 11:43:48,675 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:43:48,675 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:48,675 INFO L139 ounterexampleChecker]: Examining path program with hash 2049402806, occurence #1 [2024-11-21 11:43:48,675 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:43:48,675 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:48,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:48,675 INFO L85 PathProgramCache]: Analyzing trace with hash -922223527, now seen corresponding path program 1 times [2024-11-21 11:43:48,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:48,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029092151] [2024-11-21 11:43:48,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:48,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:48,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:48,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:48,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029092151] [2024-11-21 11:43:48,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029092151] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:43:48,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022678569] [2024-11-21 11:43:48,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:48,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:48,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:43:48,724 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:43:48,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-21 11:43:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:48,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 11:43:48,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:48,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:48,960 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:43:48,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:48,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022678569] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:43:48,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:43:48,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-21 11:43:48,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080431837] [2024-11-21 11:43:48,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:43:48,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 11:43:48,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:48,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 11:43:48,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 11:43:48,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:48,971 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:48,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 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) [2024-11-21 11:43:48,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:48,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:49,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:49,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:49,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-21 11:43:49,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:49,224 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:43:49,224 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:49,224 INFO L139 ounterexampleChecker]: Examining path program with hash 2049402806, occurence #2 [2024-11-21 11:43:49,224 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:43:49,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 11:43:49,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:49,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 11:43:49,224 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:43:49,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 11:43:49,224 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:43:49,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 11:43:49,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:49,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 11:43:49,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:49,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 11:43:49,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:49,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 11:43:49,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:49,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 11:43:49,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:49,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-21 11:43:49,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:49,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 11:43:49,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:49,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:43:49,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:49,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 11:43:49,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:49,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 11:43:49,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:49,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 11:43:49,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:43:49,225 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:43:49,225 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:49,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:49,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1162890306, now seen corresponding path program 2 times [2024-11-21 11:43:49,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:49,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736081539] [2024-11-21 11:43:49,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:49,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:49,321 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 11:43:49,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:49,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736081539] [2024-11-21 11:43:49,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736081539] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:43:49,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396539202] [2024-11-21 11:43:49,322 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:43:49,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:49,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:43:49,324 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:43:49,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-21 11:43:49,587 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 11:43:49,588 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:43:49,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-21 11:43:49,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:50,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-21 11:43:50,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:43:50,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:43:50,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:43:50,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:43:50,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:43:50,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-21 11:43:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 11:43:50,306 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:43:50,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396539202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:43:50,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:43:50,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 17 [2024-11-21 11:43:50,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961442179] [2024-11-21 11:43:50,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:50,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:43:50,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:50,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:43:50,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-21 11:43:50,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:50,307 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:50,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 12 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) [2024-11-21 11:43:50,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:50,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:50,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:50,798 WARN L331 ript$VariableManager]: TermVariable v_subst_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:43:50,859 WARN L331 ript$VariableManager]: TermVariable v_subst_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:43:50,889 WARN L331 ript$VariableManager]: TermVariable v_subst_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:43:51,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:51,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:51,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:51,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-21 11:43:51,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:51,519 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:43:51,519 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:51,519 INFO L139 ounterexampleChecker]: Examining path program with hash -953034866, occurence #1 [2024-11-21 11:43:51,519 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:43:51,519 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:51,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:51,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1432227109, now seen corresponding path program 3 times [2024-11-21 11:43:51,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:51,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757493181] [2024-11-21 11:43:51,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:51,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-21 11:43:51,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:51,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757493181] [2024-11-21 11:43:51,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757493181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:43:51,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:43:51,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 11:43:51,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298168674] [2024-11-21 11:43:51,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:51,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 11:43:51,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:51,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 11:43:51,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 11:43:51,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:51,783 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:51,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2024-11-21 11:43:51,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:51,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:51,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:51,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:51,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:51,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:51,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:51,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:51,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-21 11:43:51,961 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:43:51,961 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:43:51,962 INFO L139 ounterexampleChecker]: Examining path program with hash 406242649, occurence #1 [2024-11-21 11:43:51,962 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:43:51,962 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:43:51,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:43:51,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1210006435, now seen corresponding path program 4 times [2024-11-21 11:43:51,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:43:51,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457918261] [2024-11-21 11:43:51,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:43:51,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:43:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:43:52,234 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-21 11:43:52,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:43:52,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457918261] [2024-11-21 11:43:52,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457918261] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:43:52,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034093184] [2024-11-21 11:43:52,235 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 11:43:52,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:43:52,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:43:52,237 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:43:52,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-21 11:43:52,641 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 11:43:52,642 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:43:52,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-21 11:43:52,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:43:52,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-21 11:43:52,687 INFO L349 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2024-11-21 11:43:52,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 34 [2024-11-21 11:43:52,868 INFO L349 Elim1Store]: treesize reduction 3, result has 96.2 percent of original size [2024-11-21 11:43:52,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 99 [2024-11-21 11:43:52,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-21 11:43:52,992 INFO L349 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2024-11-21 11:43:52,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2024-11-21 11:43:53,112 INFO L349 Elim1Store]: treesize reduction 64, result has 56.2 percent of original size [2024-11-21 11:43:53,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 113 [2024-11-21 11:43:56,446 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-21 11:43:56,446 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:43:56,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034093184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:43:56,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:43:56,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 13 [2024-11-21 11:43:56,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927060088] [2024-11-21 11:43:56,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:43:56,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 11:43:56,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:43:56,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 11:43:56,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=120, Unknown=1, NotChecked=0, Total=156 [2024-11-21 11:43:56,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:56,448 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:43:56,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 8 states have internal predecessors, (129), 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) [2024-11-21 11:43:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:43:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:43:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:43:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:43:58,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:02,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:04,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:06,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:08,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:10,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:15,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:17,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:19,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:21,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:23,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:25,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:27,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-21 11:44:27,470 WARN L331 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:27,470 WARN L331 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:27,470 WARN L331 ript$VariableManager]: TermVariable v_subst_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:27,470 WARN L331 ript$VariableManager]: TermVariable v_subst_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:27,470 WARN L331 ript$VariableManager]: TermVariable v_subst_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:27,471 WARN L331 ript$VariableManager]: TermVariable v_subst_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:27,471 WARN L331 ript$VariableManager]: TermVariable v_subst_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:27,471 WARN L331 ript$VariableManager]: TermVariable v_subst_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:27,471 WARN L331 ript$VariableManager]: TermVariable v_subst_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:27,471 WARN L331 ript$VariableManager]: TermVariable v_subst_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 11:44:29,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:29,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:44:29,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:29,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:29,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:44:29,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-21 11:44:29,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-21 11:44:29,849 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:44:29,849 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:44:29,849 INFO L139 ounterexampleChecker]: Examining path program with hash -1119756794, occurence #1 [2024-11-21 11:44:29,849 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:44:29,849 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:44:29,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:44:29,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1969598630, now seen corresponding path program 5 times [2024-11-21 11:44:29,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:44:29,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485767335] [2024-11-21 11:44:29,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:44:29,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:44:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:44:30,057 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-21 11:44:30,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:44:30,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485767335] [2024-11-21 11:44:30,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485767335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:44:30,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927039736] [2024-11-21 11:44:30,057 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 11:44:30,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:44:30,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:44:30,060 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:44:30,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-21 11:44:45,918 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-21 11:44:45,918 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:44:45,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 11:44:45,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:44:45,946 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-21 11:44:45,946 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:44:45,994 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-21 11:44:45,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927039736] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:44:45,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:44:45,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-21 11:44:45,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819519457] [2024-11-21 11:44:45,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:44:45,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:44:45,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:44:45,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:44:45,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-21 11:44:45,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:44:45,996 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:44:45,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 12 states have internal predecessors, (66), 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) [2024-11-21 11:44:45,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:45,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:44:45,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:45,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:45,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:44:45,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:44:46,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:46,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:44:46,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:46,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:46,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:44:46,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:46,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-21 11:44:46,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:44:46,310 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:44:46,310 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:44:46,311 INFO L139 ounterexampleChecker]: Examining path program with hash -1119756794, occurence #2 [2024-11-21 11:44:46,311 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:44:46,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:44:46,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:46,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:44:46,311 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:44:46,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 11:44:46,311 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:44:46,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 11:44:46,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:46,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-21 11:44:46,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:46,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 11:44:46,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:46,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-21 11:44:46,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:46,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-21 11:44:46,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:46,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-21 11:44:46,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:46,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 11:44:46,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:46,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-21 11:44:46,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:46,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-21 11:44:46,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:46,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-11-21 11:44:46,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:44:46,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-21 11:44:46,350 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 312 treesize of output 288 [2024-11-21 11:44:46,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:44:46,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1102719862, now seen corresponding path program 1 times [2024-11-21 11:44:46,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 11:44:46,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020586507] [2024-11-21 11:44:46,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:44:46,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:44:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:44:46,904 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:44:46,904 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 11:44:46,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020586507] [2024-11-21 11:44:46,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020586507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:44:46,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 11:44:46,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-21 11:44:46,906 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 81. Constructing proof automaton... [2024-11-21 11:44:46,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:44:46,907 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 11:44:46,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 11:44:46,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 11:44:46,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 11:44:46,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-21 11:44:46,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:44:46,909 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:44:46,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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) [2024-11-21 11:44:46,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:46,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:44:46,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:46,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:46,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:44:46,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:46,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:44:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:44:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:44:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:44:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:44:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:44:47,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-21 11:44:47,274 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:44:47,274 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:44:47,274 INFO L139 ounterexampleChecker]: Examining path program with hash -1600809435, occurence #1 [2024-11-21 11:44:47,274 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:44:47,275 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:44:47,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:44:47,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1600580082, now seen corresponding path program 6 times [2024-11-21 11:44:47,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:44:47,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988865819] [2024-11-21 11:44:47,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:44:47,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:44:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:44:49,028 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 49 proven. 37 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-21 11:44:49,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:44:49,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988865819] [2024-11-21 11:44:49,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988865819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:44:49,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442584486] [2024-11-21 11:44:49,032 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 11:44:49,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:44:49,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:44:49,036 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:44:49,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-21 11:45:59,587 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-21 11:45:59,588 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:45:59,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-21 11:45:59,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:46:01,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-21 11:46:01,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:46:01,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:46:01,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:46:01,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:46:01,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-21 11:46:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 11 proven. 86 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:46:01,675 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:46:01,864 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 11:46:01,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 40 [2024-11-21 11:46:01,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 11:46:01,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 393 treesize of output 399 [2024-11-21 11:46:01,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 206 treesize of output 178 [2024-11-21 11:46:01,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 4 [2024-11-21 11:46:01,992 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 11:46:01,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 73 treesize of output 68 [2024-11-21 11:46:02,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 4 [2024-11-21 11:46:02,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 4 [2024-11-21 11:46:02,065 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 11:46:02,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 72 treesize of output 67 [2024-11-21 11:46:02,875 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-11-21 11:46:02,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442584486] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 11:46:02,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 11:46:02,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [17, 20] total 45 [2024-11-21 11:46:02,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612427589] [2024-11-21 11:46:02,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:46:02,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-21 11:46:02,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:46:02,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-21 11:46:02,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1863, Unknown=8, NotChecked=0, Total=2070 [2024-11-21 11:46:02,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:46:02,877 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:46:02,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.071428571428571) internal successors, (155), 13 states have internal predecessors, (155), 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) [2024-11-21 11:46:02,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:46:02,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:46:02,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:02,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:46:02,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:46:02,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:02,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:46:02,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:46:03,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:46:03,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:46:03,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:03,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:46:03,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:46:03,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:03,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:46:03,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:46:03,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-21 11:46:03,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-21 11:46:03,883 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:46:03,883 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:46:03,883 INFO L139 ounterexampleChecker]: Examining path program with hash -1805220979, occurence #1 [2024-11-21 11:46:03,883 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:46:03,883 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:46:03,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:46:03,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1187217351, now seen corresponding path program 7 times [2024-11-21 11:46:03,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:46:03,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145864481] [2024-11-21 11:46:03,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:46:03,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:46:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:46:04,975 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 110 proven. 67 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-21 11:46:04,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:46:04,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145864481] [2024-11-21 11:46:04,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145864481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:46:04,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457198333] [2024-11-21 11:46:04,976 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 11:46:04,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:46:04,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:46:04,978 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:46:04,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-21 11:46:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:46:05,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-21 11:46:05,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:46:06,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-21 11:46:06,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:46:06,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:46:06,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:46:06,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:46:06,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:46:06,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:46:06,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:46:06,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-21 11:46:06,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-21 11:46:06,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:46:06,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-21 11:46:06,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 11:46:06,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-21 11:46:06,870 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 77 proven. 106 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-21 11:46:06,871 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:46:06,925 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5516 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_5516) |c_~#cache~0.base|) (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-11-21 11:46:06,932 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5516 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_5516) |c_~#cache~0.base|) (+ 32 (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0))) is different from false [2024-11-21 11:46:06,936 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5516 (Array Int Int))) (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| 4) 0)) |c_~#__global_lock~0.base| v_ArrVal_5516) |c_~#cache~0.base|) (+ 32 (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0))) is different from false [2024-11-21 11:46:07,084 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 11:46:07,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 40 [2024-11-21 11:46:07,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 11:46:07,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 239 treesize of output 253 [2024-11-21 11:46:07,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 119 treesize of output 112 [2024-11-21 11:46:07,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 103 treesize of output 89 [2024-11-21 11:46:07,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 4 [2024-11-21 11:46:07,172 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 11:46:07,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 72 treesize of output 67 [2024-11-21 11:46:07,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 4 [2024-11-21 11:46:07,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 4 [2024-11-21 11:46:07,727 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 90 proven. 36 refuted. 0 times theorem prover too weak. 112 trivial. 18 not checked. [2024-11-21 11:46:07,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457198333] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:46:07,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:46:07,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 14] total 42 [2024-11-21 11:46:07,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125808157] [2024-11-21 11:46:07,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:46:07,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-21 11:46:07,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:46:07,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-21 11:46:07,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=1382, Unknown=7, NotChecked=234, Total=1806 [2024-11-21 11:46:07,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:46:07,730 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:46:07,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 8.906976744186046) internal successors, (383), 42 states have internal predecessors, (383), 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) [2024-11-21 11:46:07,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:46:07,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:46:07,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:07,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:46:07,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:46:07,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:07,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:46:07,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:46:07,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:46:10,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:46:10,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:46:10,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:10,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:46:10,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:46:10,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:10,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:46:10,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:46:10,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 11:46:10,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-21 11:46:10,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-21 11:46:10,803 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:46:10,803 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:46:10,803 INFO L139 ounterexampleChecker]: Examining path program with hash 1250601998, occurence #1 [2024-11-21 11:46:10,803 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 11:46:10,803 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:46:10,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:46:10,803 INFO L85 PathProgramCache]: Analyzing trace with hash 2057438561, now seen corresponding path program 1 times [2024-11-21 11:46:10,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:46:10,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709408874] [2024-11-21 11:46:10,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:46:10,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:46:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:46:10,961 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 237 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-21 11:46:10,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:46:10,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709408874] [2024-11-21 11:46:10,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709408874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:46:10,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005839969] [2024-11-21 11:46:10,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:46:10,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:46:10,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:46:10,964 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:46:10,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-21 11:46:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:46:11,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 11:46:11,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:46:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 237 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-21 11:46:11,545 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 11:46:11,735 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 237 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-21 11:46:11,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005839969] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 11:46:11,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 11:46:11,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-21 11:46:11,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283026842] [2024-11-21 11:46:11,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 11:46:11,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:46:11,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:46:11,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:46:11,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-21 11:46:11,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:46:11,736 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:46:11,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 32.30769230769231) internal successors, (420), 13 states have internal predecessors, (420), 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) [2024-11-21 11:46:11,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:46:11,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:46:11,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:11,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:46:11,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:46:11,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:11,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:46:11,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:46:11,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 11:46:11,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:46:12,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:46:12,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:46:12,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:46:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:46:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:46:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:46:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 11:46:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:12,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-21 11:46:12,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-21 11:46:12,225 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 11:46:12,225 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 11:46:12,226 INFO L139 ounterexampleChecker]: Examining path program with hash 1250601998, occurence #2 [2024-11-21 11:46:12,226 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 11:46:12,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 11:46:12,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 11:46:12,226 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:46:12,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 11:46:12,226 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 11:46:12,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 11:46:12,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 11:46:12,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 11:46:12,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 11:46:12,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 11:46:12,264 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 646 treesize of output 598 [2024-11-21 11:46:12,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:46:12,291 INFO L85 PathProgramCache]: Analyzing trace with hash -619683445, now seen corresponding path program 1 times [2024-11-21 11:46:12,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 11:46:12,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489989952] [2024-11-21 11:46:12,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:46:12,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:46:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 11:46:12,308 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 11:46:12,308 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 11:46:12,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-21 11:46:12,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-21 11:46:12,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-21 11:46:12,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-21 11:46:12,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-21 11:46:12,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-11-21 11:46:12,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,309 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 81 is hopeless, skipping. [2024-11-21 11:46:12,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-11-21 11:46:12,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2024-11-21 11:46:12,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2024-11-21 11:46:12,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-11-21 11:46:12,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-11-21 11:46:12,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-11-21 11:46:12,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,310 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 121 is hopeless, skipping. [2024-11-21 11:46:12,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2024-11-21 11:46:12,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2024-11-21 11:46:12,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2024-11-21 11:46:12,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2024-11-21 11:46:12,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-11-21 11:46:12,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2024-11-21 11:46:12,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,311 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 161 is hopeless, skipping. [2024-11-21 11:46:12,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 183 [2024-11-21 11:46:12,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2024-11-21 11:46:12,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2024-11-21 11:46:12,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2024-11-21 11:46:12,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-11-21 11:46:12,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-11-21 11:46:12,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,311 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 201 is hopeless, skipping. [2024-11-21 11:46:12,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2024-11-21 11:46:12,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2024-11-21 11:46:12,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2024-11-21 11:46:12,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2024-11-21 11:46:12,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2024-11-21 11:46:12,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 240 [2024-11-21 11:46:12,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,312 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 241 is hopeless, skipping. [2024-11-21 11:46:12,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2024-11-21 11:46:12,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-11-21 11:46:12,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2024-11-21 11:46:12,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2024-11-21 11:46:12,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 279 [2024-11-21 11:46:12,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2024-11-21 11:46:12,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,312 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 281 is hopeless, skipping. [2024-11-21 11:46:12,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 303 [2024-11-21 11:46:12,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 304 [2024-11-21 11:46:12,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 305 [2024-11-21 11:46:12,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 318 [2024-11-21 11:46:12,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 319 [2024-11-21 11:46:12,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 320 [2024-11-21 11:46:12,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,313 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 321 is hopeless, skipping. [2024-11-21 11:46:12,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 343 [2024-11-21 11:46:12,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 344 [2024-11-21 11:46:12,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 345 [2024-11-21 11:46:12,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 358 [2024-11-21 11:46:12,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 359 [2024-11-21 11:46:12,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 360 [2024-11-21 11:46:12,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,313 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 361 is hopeless, skipping. [2024-11-21 11:46:12,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 383 [2024-11-21 11:46:12,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 384 [2024-11-21 11:46:12,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 385 [2024-11-21 11:46:12,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 398 [2024-11-21 11:46:12,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 399 [2024-11-21 11:46:12,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 400 [2024-11-21 11:46:12,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,314 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 401 is hopeless, skipping. [2024-11-21 11:46:12,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2024-11-21 11:46:12,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 424 [2024-11-21 11:46:12,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,315 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2024-11-21 11:46:12,315 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,315 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 438 [2024-11-21 11:46:12,315 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,315 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 439 [2024-11-21 11:46:12,315 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,315 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 440 [2024-11-21 11:46:12,315 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,315 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 442 [2024-11-21 11:46:12,315 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,315 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 453 [2024-11-21 11:46:12,315 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 458 [2024-11-21 11:46:12,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 459 [2024-11-21 11:46:12,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 460 [2024-11-21 11:46:12,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 462 [2024-11-21 11:46:12,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 473 [2024-11-21 11:46:12,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 478 [2024-11-21 11:46:12,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 479 [2024-11-21 11:46:12,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 480 [2024-11-21 11:46:12,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 482 [2024-11-21 11:46:12,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 11:46:12,317 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 11:46:12,317 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 11:46:12,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 11:46:12,317 INFO L85 PathProgramCache]: Analyzing trace with hash 291163669, now seen corresponding path program 2 times [2024-11-21 11:46:12,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 11:46:12,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162698900] [2024-11-21 11:46:12,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 11:46:12,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 11:46:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 11:46:12,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1894 backedges. 1749 proven. 90 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 11:46:12,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 11:46:12,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162698900] [2024-11-21 11:46:12,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162698900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 11:46:12,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379328266] [2024-11-21 11:46:12,941 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 11:46:12,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 11:46:12,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 11:46:12,943 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 11:46:12,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-21 11:46:13,716 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 11:46:13,716 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 11:46:13,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 2006 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 11:46:13,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 11:46:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1894 backedges. 1791 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-21 11:46:14,096 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 11:46:14,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379328266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 11:46:14,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 11:46:14,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [16] total 17 [2024-11-21 11:46:14,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219911224] [2024-11-21 11:46:14,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 11:46:14,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 11:46:14,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 11:46:14,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 11:46:14,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=149, Unknown=0, NotChecked=0, Total=272 [2024-11-21 11:46:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 11:46:14,097 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 11:46:14,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 33.69230769230769) internal successors, (438), 13 states have internal predecessors, (438), 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) [2024-11-21 11:46:14,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:46:14,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 11:46:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 11:46:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 11:46:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 11:46:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 11:46:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 11:46:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 11:46:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15