./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NONE --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 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 ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c -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 aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NONE --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 11:40:03,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 11:40:03,687 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 11:40:03,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 11:40:03,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 11:40:03,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 11:40:03,734 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 11:40:03,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 11:40:03,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 11:40:03,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 11:40:03,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 11:40:03,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 11:40:03,737 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 11:40:03,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 11:40:03,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 11:40:03,738 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 11:40:03,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 11:40:03,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 11:40:03,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 11:40:03,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 11:40:03,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 11:40:03,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 11:40:03,739 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 11:40:03,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 11:40:03,739 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 11:40:03,739 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 11:40:03,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 11:40:03,740 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 11:40:03,740 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 11:40:03,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 11:40:03,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 11:40:03,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 11:40:03,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 11:40:03,741 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 11:40:03,741 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 11:40:03,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 11:40:03,741 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 11:40:03,741 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 11:40:03,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 11:40:03,741 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 11:40:03,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 11:40:03,742 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 11:40:03,742 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 11:40:03,742 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 -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-01-23 11:40:04,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 11:40:04,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 11:40:04,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 11:40:04,030 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 11:40:04,032 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 11:40:04,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2025-01-23 11:40:05,263 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/ad918a18c/c60a09c2c1cf497e841f0ec043169a0c/FLAG75ba8bb86 [2025-01-23 11:40:05,491 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 11:40:05,492 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2025-01-23 11:40:05,500 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/ad918a18c/c60a09c2c1cf497e841f0ec043169a0c/FLAG75ba8bb86 [2025-01-23 11:40:05,518 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/ad918a18c/c60a09c2c1cf497e841f0ec043169a0c [2025-01-23 11:40:05,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 11:40:05,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 11:40:05,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 11:40:05,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 11:40:05,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 11:40:05,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 11:40:05" (1/1) ... [2025-01-23 11:40:05,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb86780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:40:05, skipping insertion in model container [2025-01-23 11:40:05,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 11:40:05" (1/1) ... [2025-01-23 11:40:05,547 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 11:40:05,724 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c[4303,4316] [2025-01-23 11:40:05,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 11:40:05,752 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 11:40:05,828 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c[4303,4316] [2025-01-23 11:40:05,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 11:40:05,856 INFO L204 MainTranslator]: Completed translation [2025-01-23 11:40:05,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:40:05 WrapperNode [2025-01-23 11:40:05,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 11:40:05,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 11:40:05,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 11:40:05,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 11:40:05,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:40:05" (1/1) ... [2025-01-23 11:40:05,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:40:05" (1/1) ... [2025-01-23 11:40:05,912 INFO L138 Inliner]: procedures = 28, calls = 58, calls flagged for inlining = 22, calls inlined = 32, statements flattened = 370 [2025-01-23 11:40:05,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 11:40:05,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 11:40:05,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 11:40:05,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 11:40:05,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:40:05" (1/1) ... [2025-01-23 11:40:05,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:40:05" (1/1) ... [2025-01-23 11:40:05,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:40:05" (1/1) ... [2025-01-23 11:40:05,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:40:05" (1/1) ... [2025-01-23 11:40:05,943 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:40:05" (1/1) ... [2025-01-23 11:40:05,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:40:05" (1/1) ... [2025-01-23 11:40:05,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:40:05" (1/1) ... [2025-01-23 11:40:05,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:40:05" (1/1) ... [2025-01-23 11:40:05,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:40:05" (1/1) ... [2025-01-23 11:40:05,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 11:40:05,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 11:40:05,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 11:40:05,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 11:40:05,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:40:05" (1/1) ... [2025-01-23 11:40:05,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 11:40:05,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:40:06,008 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) [2025-01-23 11:40:06,009 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 [2025-01-23 11:40:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 11:40:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-23 11:40:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-23 11:40:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-23 11:40:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-23 11:40:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-23 11:40:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-23 11:40:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-23 11:40:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-23 11:40:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-01-23 11:40:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-01-23 11:40:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 11:40:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-01-23 11:40:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-01-23 11:40:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-01-23 11:40:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-01-23 11:40:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-23 11:40:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-23 11:40:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-23 11:40:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 11:40:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 11:40:06,028 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 11:40:06,141 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 11:40:06,143 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 11:40:06,641 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 11:40:06,641 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 11:40:07,044 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 11:40:07,044 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-01-23 11:40:07,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 11:40:07 BoogieIcfgContainer [2025-01-23 11:40:07,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 11:40:07,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 11:40:07,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 11:40:07,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 11:40:07,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 11:40:05" (1/3) ... [2025-01-23 11:40:07,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbc9f03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 11:40:07, skipping insertion in model container [2025-01-23 11:40:07,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:40:05" (2/3) ... [2025-01-23 11:40:07,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbc9f03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 11:40:07, skipping insertion in model container [2025-01-23 11:40:07,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 11:40:07" (3/3) ... [2025-01-23 11:40:07,053 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2025-01-23 11:40:07,066 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 11:40:07,068 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-2.wvr.c that has 7 procedures, 62 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2025-01-23 11:40:07,068 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 11:40:07,164 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2025-01-23 11:40:07,204 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 11:40:07,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 11:40:07,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:40:07,208 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) [2025-01-23 11:40:07,210 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 [2025-01-23 11:40:07,317 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 11:40:07,326 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork5 ======== [2025-01-23 11:40:07,335 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;@10879005, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 11:40:07,335 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-23 11:40:08,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork5Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2025-01-23 11:40:08,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork5Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2025-01-23 11:40:08,675 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-01-23 11:40:08,676 INFO L319 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork5 was SAFE,SAFE (1/3) [2025-01-23 11:40:08,680 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 11:40:08,680 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 11:40:08,681 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 11:40:08,681 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;@10879005, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 11:40:08,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-23 11:40:08,812 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:40:08,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:40:08,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1222475719, now seen corresponding path program 1 times [2025-01-23 11:40:08,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:40:08,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132592] [2025-01-23 11:40:08,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 11:40:08,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:40:08,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-23 11:40:08,938 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-23 11:40:08,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:40:08,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:09,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:40:09,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:40:09,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132592] [2025-01-23 11:40:09,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132592] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 11:40:09,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 11:40:09,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-23 11:40:09,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375982836] [2025-01-23 11:40:09,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 11:40:09,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-23 11:40:09,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:40:09,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-23 11:40:09,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-23 11:40:09,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:09,047 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:40:09,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 11:40:09,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:10,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:10,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 11:40:10,140 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:40:10,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:40:10,140 INFO L85 PathProgramCache]: Analyzing trace with hash 942910630, now seen corresponding path program 1 times [2025-01-23 11:40:10,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:40:10,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637839904] [2025-01-23 11:40:10,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 11:40:10,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:40:10,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-23 11:40:10,254 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-23 11:40:10,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:40:10,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:40:10,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:40:10,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637839904] [2025-01-23 11:40:10,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637839904] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 11:40:10,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 11:40:10,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 11:40:10,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239046079] [2025-01-23 11:40:10,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 11:40:10,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 11:40:10,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:40:10,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 11:40:10,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-23 11:40:10,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:10,763 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:40:10,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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) [2025-01-23 11:40:10,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:10,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:11,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:11,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:11,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-23 11:40:11,173 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:40:11,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:40:11,173 INFO L85 PathProgramCache]: Analyzing trace with hash -948751308, now seen corresponding path program 1 times [2025-01-23 11:40:11,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:40:11,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242726943] [2025-01-23 11:40:11,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 11:40:11,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:40:11,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-23 11:40:11,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-23 11:40:11,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:40:11,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:11,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:40:11,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:40:11,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242726943] [2025-01-23 11:40:11,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242726943] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:40:11,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461662663] [2025-01-23 11:40:11,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 11:40:11,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:11,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:40:11,572 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) [2025-01-23 11:40:11,573 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 [2025-01-23 11:40:11,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-23 11:40:11,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-23 11:40:11,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:40:11,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:11,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-23 11:40:11,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:40:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:40:11,872 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:40:11,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:40:11,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461662663] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:40:11,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:40:11,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-01-23 11:40:11,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973785322] [2025-01-23 11:40:11,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:40:11,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-23 11:40:11,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:40:11,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-23 11:40:11,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2025-01-23 11:40:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:11,962 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:40:11,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 9 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 11:40:11,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:11,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:11,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:12,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:12,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:12,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:12,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-23 11:40:12,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:12,597 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:40:12,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:40:12,597 INFO L85 PathProgramCache]: Analyzing trace with hash 539270758, now seen corresponding path program 2 times [2025-01-23 11:40:12,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:40:12,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136643654] [2025-01-23 11:40:12,598 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 11:40:12,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:40:12,618 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 84 statements into 2 equivalence classes. [2025-01-23 11:40:12,647 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 82 of 84 statements. [2025-01-23 11:40:12,647 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-23 11:40:12,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:12,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-23 11:40:12,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:40:12,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136643654] [2025-01-23 11:40:12,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136643654] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 11:40:12,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 11:40:12,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-23 11:40:12,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804248020] [2025-01-23 11:40:12,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 11:40:12,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-23 11:40:12,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:40:12,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-23 11:40:12,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-23 11:40:12,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:12,966 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:40:12,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 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) [2025-01-23 11:40:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:14,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:14,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:14,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:14,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:14,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-23 11:40:14,034 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:40:14,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:40:14,034 INFO L85 PathProgramCache]: Analyzing trace with hash 704802073, now seen corresponding path program 3 times [2025-01-23 11:40:14,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:40:14,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691395653] [2025-01-23 11:40:14,034 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 11:40:14,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:40:14,049 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 104 statements into 3 equivalence classes. [2025-01-23 11:40:14,135 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 92 of 104 statements. [2025-01-23 11:40:14,135 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-23 11:40:14,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:14,451 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-23 11:40:14,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:40:14,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691395653] [2025-01-23 11:40:14,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691395653] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:40:14,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119108758] [2025-01-23 11:40:14,452 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 11:40:14,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:14,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:40:14,454 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) [2025-01-23 11:40:14,457 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 [2025-01-23 11:40:14,547 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 104 statements into 3 equivalence classes. [2025-01-23 11:40:14,609 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 92 of 104 statements. [2025-01-23 11:40:14,609 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-23 11:40:14,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:14,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-23 11:40:14,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:40:14,821 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-23 11:40:14,821 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:40:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-23 11:40:14,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119108758] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:40:14,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:40:14,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2025-01-23 11:40:14,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339738960] [2025-01-23 11:40:14,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:40:14,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-23 11:40:14,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:40:14,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-23 11:40:14,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2025-01-23 11:40:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:14,952 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:40:14,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.444444444444445) internal successors, (152), 17 states have internal predecessors, (152), 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) [2025-01-23 11:40:14,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:14,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:14,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:14,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:14,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:15,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:15,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:15,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:15,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:15,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:40:15,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-23 11:40:15,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:15,918 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:40:15,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:40:15,919 INFO L85 PathProgramCache]: Analyzing trace with hash -731148583, now seen corresponding path program 4 times [2025-01-23 11:40:15,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:40:15,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375201639] [2025-01-23 11:40:15,919 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 11:40:15,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:40:15,935 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 106 statements into 2 equivalence classes. [2025-01-23 11:40:15,942 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 67 of 106 statements. [2025-01-23 11:40:15,943 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 11:40:15,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-23 11:40:16,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:40:16,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375201639] [2025-01-23 11:40:16,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375201639] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 11:40:16,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 11:40:16,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-01-23 11:40:16,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882150044] [2025-01-23 11:40:16,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 11:40:16,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-23 11:40:16,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:40:16,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-23 11:40:16,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-01-23 11:40:16,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:16,250 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:40:16,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 states have internal predecessors, (101), 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) [2025-01-23 11:40:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:40:16,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:17,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:17,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:17,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:17,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:17,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:40:17,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:40:17,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-23 11:40:17,063 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:40:17,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:40:17,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1362858664, now seen corresponding path program 5 times [2025-01-23 11:40:17,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:40:17,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422760333] [2025-01-23 11:40:17,064 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 11:40:17,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:40:17,082 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 150 statements into 3 equivalence classes. [2025-01-23 11:40:17,173 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 150 of 150 statements. [2025-01-23 11:40:17,173 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-23 11:40:17,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:17,752 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-23 11:40:17,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:40:17,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422760333] [2025-01-23 11:40:17,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422760333] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:40:17,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291066944] [2025-01-23 11:40:17,753 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 11:40:17,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:17,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:40:17,755 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) [2025-01-23 11:40:17,756 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 [2025-01-23 11:40:17,870 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 150 statements into 3 equivalence classes. [2025-01-23 11:40:18,026 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 150 of 150 statements. [2025-01-23 11:40:18,026 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-23 11:40:18,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:18,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-23 11:40:18,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:40:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 38 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-23 11:40:18,417 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:40:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-23 11:40:18,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291066944] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:40:18,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:40:18,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 31 [2025-01-23 11:40:18,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355192952] [2025-01-23 11:40:18,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:40:18,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-01-23 11:40:18,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:40:18,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-01-23 11:40:18,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=733, Unknown=0, NotChecked=0, Total=992 [2025-01-23 11:40:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:18,646 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:40:18,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.59375) internal successors, (211), 31 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 11:40:18,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:18,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:18,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:18,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:18,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:40:18,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:40:18,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:19,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:19,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:19,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:19,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:19,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:40:19,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:40:19,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:40:19,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-23 11:40:19,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:19,604 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:40:19,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:40:19,604 INFO L85 PathProgramCache]: Analyzing trace with hash -574868442, now seen corresponding path program 6 times [2025-01-23 11:40:19,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:40:19,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759550146] [2025-01-23 11:40:19,605 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 11:40:19,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:40:19,626 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 153 statements into 5 equivalence classes. [2025-01-23 11:40:19,851 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 153 of 153 statements. [2025-01-23 11:40:19,851 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-01-23 11:40:19,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:21,274 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 46 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:40:21,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:40:21,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759550146] [2025-01-23 11:40:21,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759550146] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:40:21,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698634893] [2025-01-23 11:40:21,274 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 11:40:21,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:21,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:40:21,278 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) [2025-01-23 11:40:21,278 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 [2025-01-23 11:40:21,393 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 153 statements into 5 equivalence classes. [2025-01-23 11:40:21,494 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 153 of 153 statements. [2025-01-23 11:40:21,494 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-01-23 11:40:21,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:21,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-23 11:40:21,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:40:22,352 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 49 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:40:22,352 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:40:23,128 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:40:23,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698634893] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:40:23,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:40:23,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 20, 20] total 73 [2025-01-23 11:40:23,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457548663] [2025-01-23 11:40:23,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:40:23,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2025-01-23 11:40:23,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:40:23,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2025-01-23 11:40:23,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=888, Invalid=4514, Unknown=0, NotChecked=0, Total=5402 [2025-01-23 11:40:23,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:23,133 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:40:23,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 5.45945945945946) internal successors, (404), 73 states have internal predecessors, (404), 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) [2025-01-23 11:40:23,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:23,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:23,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:23,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:23,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:40:23,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:40:23,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:40:23,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:24,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:24,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:24,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:24,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:24,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:40:24,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:40:24,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:40:24,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:40:24,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-23 11:40:24,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:24,206 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:40:24,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:40:24,206 INFO L85 PathProgramCache]: Analyzing trace with hash -2037115816, now seen corresponding path program 7 times [2025-01-23 11:40:24,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:40:24,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635276899] [2025-01-23 11:40:24,206 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 11:40:24,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:40:24,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-01-23 11:40:24,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-01-23 11:40:24,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:40:24,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 55 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:40:25,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:40:25,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635276899] [2025-01-23 11:40:25,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635276899] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:40:25,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863183027] [2025-01-23 11:40:25,286 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 11:40:25,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:25,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:40:25,288 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) [2025-01-23 11:40:25,293 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 [2025-01-23 11:40:25,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-01-23 11:40:25,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-01-23 11:40:25,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:40:25,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:25,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 58 conjuncts are in the unsatisfiable core [2025-01-23 11:40:25,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:40:26,815 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:40:26,815 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:40:27,620 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-01-23 11:40:27,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863183027] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:40:27,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:40:27,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 40, 28] total 91 [2025-01-23 11:40:27,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658084479] [2025-01-23 11:40:27,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:40:27,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2025-01-23 11:40:27,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:40:27,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2025-01-23 11:40:27,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1522, Invalid=6668, Unknown=0, NotChecked=0, Total=8190 [2025-01-23 11:40:27,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:27,629 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:40:27,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 4.725274725274725) internal successors, (430), 91 states have internal predecessors, (430), 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) [2025-01-23 11:40:27,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:27,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:27,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:27,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:27,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:40:27,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:40:27,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:40:27,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:40:27,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:29,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:29,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:29,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:29,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:29,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:40:29,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:40:29,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:40:29,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:40:29,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:40:29,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-23 11:40:29,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:29,711 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:40:29,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:40:29,711 INFO L85 PathProgramCache]: Analyzing trace with hash -677795414, now seen corresponding path program 8 times [2025-01-23 11:40:29,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:40:29,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502644745] [2025-01-23 11:40:29,711 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 11:40:29,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:40:29,730 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 191 statements into 2 equivalence classes. [2025-01-23 11:40:29,776 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 191 of 191 statements. [2025-01-23 11:40:29,777 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 11:40:29,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:31,985 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 300 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:40:31,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:40:31,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502644745] [2025-01-23 11:40:31,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502644745] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:40:31,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066068884] [2025-01-23 11:40:31,986 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 11:40:31,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:31,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:40:31,988 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) [2025-01-23 11:40:31,990 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 [2025-01-23 11:40:32,122 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 191 statements into 2 equivalence classes. [2025-01-23 11:40:32,244 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 191 of 191 statements. [2025-01-23 11:40:32,245 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 11:40:32,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:32,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-01-23 11:40:32,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:40:33,407 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 264 proven. 109 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-23 11:40:33,407 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:40:34,404 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 282 proven. 91 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-23 11:40:34,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066068884] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:40:34,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:40:34,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 29, 29] total 104 [2025-01-23 11:40:34,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347110191] [2025-01-23 11:40:34,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:40:34,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2025-01-23 11:40:34,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:40:34,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2025-01-23 11:40:34,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1771, Invalid=9149, Unknown=0, NotChecked=0, Total=10920 [2025-01-23 11:40:34,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:34,411 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:40:34,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 4.742857142857143) internal successors, (498), 104 states have internal predecessors, (498), 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) [2025-01-23 11:40:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:40:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:40:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:40:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:40:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:40:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:40:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:40:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:40:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:40:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:40:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:40:35,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-23 11:40:35,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:35,461 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:40:35,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:40:35,461 INFO L85 PathProgramCache]: Analyzing trace with hash -782987286, now seen corresponding path program 9 times [2025-01-23 11:40:35,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:40:35,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881764316] [2025-01-23 11:40:35,461 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 11:40:35,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:40:35,482 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 193 statements into 9 equivalence classes. [2025-01-23 11:40:35,867 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 190 of 193 statements. [2025-01-23 11:40:35,867 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-23 11:40:35,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:36,748 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 18 proven. 87 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2025-01-23 11:40:36,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:40:36,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881764316] [2025-01-23 11:40:36,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881764316] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:40:36,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93590652] [2025-01-23 11:40:36,749 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 11:40:36,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:36,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:40:36,751 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) [2025-01-23 11:40:36,754 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 [2025-01-23 11:40:36,882 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 193 statements into 9 equivalence classes. [2025-01-23 11:40:37,104 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 190 of 193 statements. [2025-01-23 11:40:37,104 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-23 11:40:37,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:37,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-01-23 11:40:37,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:40:37,901 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 18 proven. 282 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2025-01-23 11:40:37,902 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:40:38,147 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 10 proven. 95 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2025-01-23 11:40:38,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93590652] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:40:38,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:40:38,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 37, 10] total 50 [2025-01-23 11:40:38,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674202160] [2025-01-23 11:40:38,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:40:38,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2025-01-23 11:40:38,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:40:38,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2025-01-23 11:40:38,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=2109, Unknown=0, NotChecked=0, Total=2450 [2025-01-23 11:40:38,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:38,150 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:40:38,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 6.8) internal successors, (340), 50 states have internal predecessors, (340), 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) [2025-01-23 11:40:38,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:38,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:38,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:38,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:38,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:40:38,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:40:38,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:40:38,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:40:38,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:40:38,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:40:38,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:40,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:40:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:40:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:40:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:40:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:40:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:40:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-23 11:40:40,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-23 11:40:40,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:40,763 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:40:40,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:40:40,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1433538265, now seen corresponding path program 10 times [2025-01-23 11:40:40,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:40:40,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091860364] [2025-01-23 11:40:40,764 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 11:40:40,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:40:40,784 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 245 statements into 2 equivalence classes. [2025-01-23 11:40:40,830 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 245 of 245 statements. [2025-01-23 11:40:40,830 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 11:40:40,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:42,725 INFO L134 CoverageAnalysis]: Checked inductivity of 839 backedges. 684 proven. 147 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-23 11:40:42,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:40:42,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091860364] [2025-01-23 11:40:42,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091860364] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:40:42,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999825027] [2025-01-23 11:40:42,726 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 11:40:42,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:42,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:40:42,727 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) [2025-01-23 11:40:42,728 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 [2025-01-23 11:40:42,848 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 245 statements into 2 equivalence classes. [2025-01-23 11:40:42,950 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 245 of 245 statements. [2025-01-23 11:40:42,950 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 11:40:42,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:40:42,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 1154 conjuncts, 44 conjuncts are in the unsatisfiable core [2025-01-23 11:40:42,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:40:44,369 INFO L134 CoverageAnalysis]: Checked inductivity of 839 backedges. 620 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:40:44,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:40:45,943 INFO L134 CoverageAnalysis]: Checked inductivity of 839 backedges. 714 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:40:45,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999825027] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:40:45,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:40:45,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 41, 41] total 120 [2025-01-23 11:40:45,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146001428] [2025-01-23 11:40:45,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:40:45,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2025-01-23 11:40:45,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:40:45,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2025-01-23 11:40:45,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2555, Invalid=11965, Unknown=0, NotChecked=0, Total=14520 [2025-01-23 11:40:45,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:45,950 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:40:45,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 5.917355371900826) internal successors, (716), 120 states have internal predecessors, (716), 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) [2025-01-23 11:40:45,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:45,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:45,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:45,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:45,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:40:45,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:40:45,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:40:45,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:40:45,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:40:45,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:40:45,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-23 11:40:45,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:40:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:40:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:40:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:40:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:40:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:40:46,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:40:46,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:40:46,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:40:46,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:40:46,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-23 11:40:46,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:40:46,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-23 11:40:46,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:40:46,962 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:40:46,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:40:46,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1984754571, now seen corresponding path program 11 times [2025-01-23 11:40:46,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:40:46,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419520126] [2025-01-23 11:40:46,962 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 11:40:46,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:40:46,987 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 254 statements into 13 equivalence classes. [2025-01-23 11:40:47,379 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 254 of 254 statements. [2025-01-23 11:40:47,380 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-01-23 11:40:47,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:41:07,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2025-01-23 11:41:07,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:41:07,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419520126] [2025-01-23 11:41:07,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419520126] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:41:07,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276067170] [2025-01-23 11:41:07,326 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 11:41:07,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:41:07,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:41:07,328 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) [2025-01-23 11:41:07,329 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 [2025-01-23 11:41:07,466 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 254 statements into 13 equivalence classes. [2025-01-23 11:41:17,252 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 254 of 254 statements. [2025-01-23 11:41:17,252 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-01-23 11:41:17,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:41:17,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 473 conjuncts are in the unsatisfiable core [2025-01-23 11:41:17,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:41:17,733 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 19 treesize of output 1 [2025-01-23 11:41:17,794 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 19 treesize of output 1 [2025-01-23 11:41:17,878 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 19 treesize of output 1 [2025-01-23 11:41:17,935 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 19 treesize of output 1 [2025-01-23 11:41:17,994 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 19 treesize of output 1 [2025-01-23 11:41:18,049 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 19 treesize of output 1 [2025-01-23 11:41:18,102 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 19 treesize of output 1 [2025-01-23 11:41:18,152 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 19 treesize of output 1 [2025-01-23 11:41:18,203 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 19 treesize of output 1 [2025-01-23 11:41:18,258 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 19 treesize of output 1 [2025-01-23 11:41:18,311 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 19 treesize of output 1 [2025-01-23 11:41:18,370 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 19 treesize of output 1 [2025-01-23 11:41:18,426 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 19 treesize of output 1 [2025-01-23 11:41:18,482 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 19 treesize of output 1 [2025-01-23 11:41:18,532 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 19 treesize of output 1 [2025-01-23 11:41:18,590 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 19 treesize of output 1 [2025-01-23 11:41:18,643 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 19 treesize of output 1 [2025-01-23 11:42:09,671 WARN L286 SmtUtils]: Spent 21.46s on a formula simplification. DAG size of input: 1241 DAG size of output: 669 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-01-23 11:42:09,672 INFO L349 Elim1Store]: treesize reduction 2024, result has 52.2 percent of original size [2025-01-23 11:42:09,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 46 select indices, 46 select index equivalence classes, 0 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 1035 case distinctions, treesize of input 402 treesize of output 2266 [2025-01-23 11:42:33,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 0 proven. 1019 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:42:33,780 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:43:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 0 proven. 719 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-01-23 11:43:02,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276067170] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:43:02,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:43:02,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 123, 99] total 263 [2025-01-23 11:43:02,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635023311] [2025-01-23 11:43:02,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:43:02,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 263 states [2025-01-23 11:43:02,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:43:02,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 263 interpolants. [2025-01-23 11:43:02,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6239, Invalid=62667, Unknown=0, NotChecked=0, Total=68906 [2025-01-23 11:43:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:43:02,484 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:43:02,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 263 states, 263 states have (on average 2.247148288973384) internal successors, (591), 263 states have internal predecessors, (591), 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) [2025-01-23 11:43:02,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:43:02,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:43:02,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:43:02,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:43:02,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:43:02,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:43:02,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:43:02,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:43:02,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:43:02,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:43:02,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-23 11:43:02,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:43:02,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:44:58,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:44:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:44:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:44:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:44:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:44:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:44:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:44:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:44:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:44:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:44:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-23 11:44:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:44:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2025-01-23 11:44:58,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-23 11:44:58,205 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,SelfDestructingSolverStorable12 [2025-01-23 11:44:58,205 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:44:58,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:44:58,206 INFO L85 PathProgramCache]: Analyzing trace with hash -693009188, now seen corresponding path program 12 times [2025-01-23 11:44:58,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:44:58,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803866985] [2025-01-23 11:44:58,206 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 11:44:58,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:44:58,232 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 306 statements into 13 equivalence classes. [2025-01-23 11:44:59,025 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) and asserted 306 of 306 statements. [2025-01-23 11:44:59,025 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2025-01-23 11:44:59,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:45:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 932 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:45:01,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:45:01,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803866985] [2025-01-23 11:45:01,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803866985] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:45:01,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916966993] [2025-01-23 11:45:01,296 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 11:45:01,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:45:01,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:45:01,298 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) [2025-01-23 11:45:01,299 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 [2025-01-23 11:45:01,453 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 306 statements into 13 equivalence classes. [2025-01-23 11:45:02,503 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) and asserted 306 of 306 statements. [2025-01-23 11:45:02,503 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2025-01-23 11:45:02,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:45:02,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 1430 conjuncts, 62 conjuncts are in the unsatisfiable core [2025-01-23 11:45:02,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:45:04,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 894 proven. 330 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-23 11:45:04,729 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:45:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 915 proven. 309 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-23 11:45:07,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916966993] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:45:07,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:45:07,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 58, 58] total 169 [2025-01-23 11:45:07,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984883226] [2025-01-23 11:45:07,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:45:07,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2025-01-23 11:45:07,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:45:07,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2025-01-23 11:45:07,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5365, Invalid=23365, Unknown=0, NotChecked=0, Total=28730 [2025-01-23 11:45:07,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:45:07,593 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:45:07,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 5.211764705882353) internal successors, (886), 169 states have internal predecessors, (886), 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) [2025-01-23 11:45:07,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:45:07,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:45:07,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:45:07,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:45:07,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:45:07,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:45:07,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:45:07,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:45:07,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:45:07,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:45:07,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-23 11:45:07,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:45:07,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2025-01-23 11:45:07,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:45:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:45:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:45:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:45:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:45:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:45:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:45:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:45:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:45:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:45:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:45:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-23 11:45:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:45:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2025-01-23 11:45:09,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-23 11:45:09,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-23 11:45:09,344 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,SelfDestructingSolverStorable13 [2025-01-23 11:45:09,344 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:45:09,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:45:09,345 INFO L85 PathProgramCache]: Analyzing trace with hash 916499420, now seen corresponding path program 13 times [2025-01-23 11:45:09,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:45:09,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908218122] [2025-01-23 11:45:09,345 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 11:45:09,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:45:09,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 314 statements into 1 equivalence classes. [2025-01-23 11:45:09,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 314 of 314 statements. [2025-01-23 11:45:09,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:45:09,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:45:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1460 backedges. 465 proven. 995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:45:12,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:45:12,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908218122] [2025-01-23 11:45:12,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908218122] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:45:12,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855379098] [2025-01-23 11:45:12,086 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 11:45:12,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:45:12,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:45:12,088 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) [2025-01-23 11:45:12,091 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 [2025-01-23 11:45:12,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 314 statements into 1 equivalence classes. [2025-01-23 11:45:12,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 314 of 314 statements. [2025-01-23 11:45:12,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:45:12,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:45:12,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 1502 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-01-23 11:45:12,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:45:15,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1460 backedges. 496 proven. 964 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:45:15,644 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:45:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1460 backedges. 528 proven. 932 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:45:18,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855379098] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:45:18,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:45:18,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 160 [2025-01-23 11:45:18,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738120055] [2025-01-23 11:45:18,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:45:18,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2025-01-23 11:45:18,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:45:18,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2025-01-23 11:45:18,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5899, Invalid=19861, Unknown=0, NotChecked=0, Total=25760 [2025-01-23 11:45:18,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:45:18,122 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:45:18,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 4.565217391304348) internal successors, (735), 160 states have internal predecessors, (735), 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) [2025-01-23 11:45:18,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:45:18,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:45:18,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:45:18,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:45:18,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:45:18,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:45:18,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:45:18,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:45:18,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:45:18,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:45:18,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-23 11:45:18,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:45:18,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2025-01-23 11:45:18,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-23 11:45:18,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:45:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:45:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:45:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:45:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:45:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:45:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:45:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:45:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:45:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:45:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:45:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-23 11:45:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:45:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-01-23 11:45:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-23 11:45:22,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-23 11:45:22,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-23 11:45:22,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-01-23 11:45:22,977 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:45:22,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:45:22,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1398089835, now seen corresponding path program 14 times [2025-01-23 11:45:22,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:45:22,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143850206] [2025-01-23 11:45:22,978 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 11:45:22,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:45:23,009 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 406 statements into 2 equivalence classes. [2025-01-23 11:45:23,119 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 406 of 406 statements. [2025-01-23 11:45:23,119 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 11:45:23,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:45:31,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3182 backedges. 2654 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:45:31,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:45:31,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143850206] [2025-01-23 11:45:31,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143850206] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:45:31,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513614061] [2025-01-23 11:45:31,097 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 11:45:31,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:45:31,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:45:31,098 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) [2025-01-23 11:45:31,099 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 [2025-01-23 11:45:31,289 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 406 statements into 2 equivalence classes. [2025-01-23 11:45:31,452 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 406 of 406 statements. [2025-01-23 11:45:31,452 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 11:45:31,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:45:31,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 1847 conjuncts, 70 conjuncts are in the unsatisfiable core [2025-01-23 11:45:31,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:45:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3182 backedges. 2541 proven. 573 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-23 11:45:35,498 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:45:40,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3182 backedges. 2586 proven. 528 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-23 11:45:40,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513614061] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:45:40,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:45:40,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [117, 66, 66] total 247 [2025-01-23 11:45:40,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310208625] [2025-01-23 11:45:40,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:45:40,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 248 states [2025-01-23 11:45:40,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:45:40,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 248 interpolants. [2025-01-23 11:45:40,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9391, Invalid=51865, Unknown=0, NotChecked=0, Total=61256 [2025-01-23 11:45:40,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:45:40,468 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:45:40,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 248 states, 248 states have (on average 4.181451612903226) internal successors, (1037), 247 states have internal predecessors, (1037), 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) [2025-01-23 11:45:40,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:45:40,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:45:40,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:45:40,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:45:40,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:45:40,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:45:40,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:45:40,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:45:40,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:45:40,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:45:40,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-23 11:45:40,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:45:40,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2025-01-23 11:45:40,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-23 11:45:40,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-23 11:45:40,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:45:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:45:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:45:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:45:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:45:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:45:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:45:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:45:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:45:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:45:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:45:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-23 11:45:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:45:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-01-23 11:45:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-23 11:45:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-23 11:45:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-01-23 11:45:42,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-23 11:45:42,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-23 11:45:42,680 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:45:42,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:45:42,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1814476835, now seen corresponding path program 15 times [2025-01-23 11:45:42,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:45:42,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544790651] [2025-01-23 11:45:42,680 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 11:45:42,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:45:42,707 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 407 statements into 19 equivalence classes. [2025-01-23 11:45:44,058 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) and asserted 407 of 407 statements. [2025-01-23 11:45:44,058 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2025-01-23 11:45:44,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:45:52,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3215 backedges. 2654 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:45:52,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:45:52,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544790651] [2025-01-23 11:45:52,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544790651] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:45:52,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467680448] [2025-01-23 11:45:52,164 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 11:45:52,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:45:52,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:45:52,166 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) [2025-01-23 11:45:52,167 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 [2025-01-23 11:45:52,368 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 407 statements into 19 equivalence classes. [2025-01-23 11:45:56,711 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) and asserted 407 of 407 statements. [2025-01-23 11:45:56,711 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2025-01-23 11:45:56,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:45:56,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 1856 conjuncts, 78 conjuncts are in the unsatisfiable core [2025-01-23 11:45:56,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:46:01,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3215 backedges. 2592 proven. 615 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-23 11:46:01,503 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:46:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3215 backedges. 2646 proven. 561 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-23 11:46:07,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467680448] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:46:07,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:46:07,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [119, 74, 74] total 265 [2025-01-23 11:46:07,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198330648] [2025-01-23 11:46:07,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:46:07,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 266 states [2025-01-23 11:46:07,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:46:07,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 266 interpolants. [2025-01-23 11:46:07,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11368, Invalid=59122, Unknown=0, NotChecked=0, Total=70490 [2025-01-23 11:46:07,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:46:07,297 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:46:07,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 266 states, 266 states have (on average 4.319548872180451) internal successors, (1149), 265 states have internal predecessors, (1149), 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) [2025-01-23 11:46:07,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:46:07,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:46:07,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:46:07,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:46:07,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:46:07,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:46:07,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:46:07,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:46:07,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:46:07,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:46:07,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-23 11:46:07,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:46:07,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2025-01-23 11:46:07,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-23 11:46:07,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-23 11:46:07,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2025-01-23 11:46:07,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:46:09,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:46:09,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:46:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:46:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:46:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:46:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:46:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:46:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:46:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:46:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:46:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-23 11:46:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:46:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-01-23 11:46:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-23 11:46:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-23 11:46:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-01-23 11:46:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-01-23 11:46:09,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-23 11:46:09,676 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,SelfDestructingSolverStorable16 [2025-01-23 11:46:09,677 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:46:09,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:46:09,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1046839659, now seen corresponding path program 16 times [2025-01-23 11:46:09,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:46:09,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700495820] [2025-01-23 11:46:09,677 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 11:46:09,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:46:09,706 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 414 statements into 2 equivalence classes. [2025-01-23 11:46:09,766 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 414 of 414 statements. [2025-01-23 11:46:09,766 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 11:46:09,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:46:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3474 backedges. 2592 proven. 874 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-23 11:46:14,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:46:14,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700495820] [2025-01-23 11:46:14,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700495820] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:46:14,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834649751] [2025-01-23 11:46:14,417 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 11:46:14,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:46:14,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:46:14,419 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) [2025-01-23 11:46:14,420 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 [2025-01-23 11:46:14,621 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 414 statements into 2 equivalence classes. [2025-01-23 11:46:14,796 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 414 of 414 statements. [2025-01-23 11:46:14,796 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 11:46:14,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:46:14,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 1919 conjuncts, 87 conjuncts are in the unsatisfiable core [2025-01-23 11:46:14,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:46:19,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3474 backedges. 2592 proven. 874 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-23 11:46:19,177 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:46:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3474 backedges. 2646 proven. 820 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-23 11:46:22,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834649751] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:46:22,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:46:22,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 84, 84] total 209 [2025-01-23 11:46:22,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280807460] [2025-01-23 11:46:22,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:46:22,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 210 states [2025-01-23 11:46:22,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:46:22,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2025-01-23 11:46:22,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10669, Invalid=33221, Unknown=0, NotChecked=0, Total=43890 [2025-01-23 11:46:22,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:46:22,996 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:46:22,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 210 states, 210 states have (on average 5.566666666666666) internal successors, (1169), 209 states have internal predecessors, (1169), 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) [2025-01-23 11:46:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:46:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:46:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:46:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:46:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:46:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:46:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:46:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:46:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:46:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:46:22,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-23 11:46:22,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:46:22,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2025-01-23 11:46:22,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-23 11:46:22,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-23 11:46:22,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2025-01-23 11:46:22,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-01-23 11:46:22,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:46:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:46:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:46:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:46:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:46:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:46:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 11:46:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:46:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:46:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:46:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 11:46:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-23 11:46:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 11:46:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-01-23 11:46:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-23 11:46:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-23 11:46:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-01-23 11:46:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-01-23 11:46:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-01-23 11:46:25,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-23 11:46:25,220 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,SelfDestructingSolverStorable17 [2025-01-23 11:46:25,220 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 11:46:25,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:46:25,220 INFO L85 PathProgramCache]: Analyzing trace with hash 868798549, now seen corresponding path program 17 times [2025-01-23 11:46:25,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:46:25,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493892095] [2025-01-23 11:46:25,221 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 11:46:25,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:46:25,274 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 416 statements into 22 equivalence classes. [2025-01-23 11:46:26,490 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) and asserted 416 of 416 statements. [2025-01-23 11:46:26,490 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2025-01-23 11:46:26,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:47:37,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3557 backedges. 0 proven. 3557 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:47:37,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:47:37,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493892095] [2025-01-23 11:47:37,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493892095] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:47:37,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499583413] [2025-01-23 11:47:37,968 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 11:47:37,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:47:37,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:47:37,971 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) [2025-01-23 11:47:37,971 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 [2025-01-23 11:47:38,193 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 416 statements into 22 equivalence classes. [2025-01-23 11:48:04,570 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) and asserted 416 of 416 statements. [2025-01-23 11:48:04,570 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2025-01-23 11:48:04,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:48:04,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 1937 conjuncts, 758 conjuncts are in the unsatisfiable core [2025-01-23 11:48:04,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:49:22,727 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 11:49:22,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 42 select indices, 42 select index equivalence classes, 0 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 861 case distinctions, treesize of input 588 treesize of output 422 [2025-01-23 11:49:23,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3557 backedges. 0 proven. 3557 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:49:23,342 INFO L312 TraceCheckSpWp]: Computing backward predicates... Killed by 15