./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c --full-output --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6f232940 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf26be9bd61f36f1b6136fc4e500a91a95d08528025fd00027577283116c4a35 --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6f23294-m [2025-03-19 13:38:07,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-19 13:38:07,639 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-03-19 13:38:07,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-19 13:38:07,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-19 13:38:07,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-19 13:38:07,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-19 13:38:07,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-19 13:38:07,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-19 13:38:07,669 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-19 13:38:07,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-19 13:38:07,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-19 13:38:07,670 INFO L153 SettingsManager]: * Use SBE=true [2025-03-19 13:38:07,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-19 13:38:07,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-19 13:38:07,671 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-19 13:38:07,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-19 13:38:07,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-19 13:38:07,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-19 13:38:07,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-19 13:38:07,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-19 13:38:07,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-19 13:38:07,671 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-19 13:38:07,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-19 13:38:07,671 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-19 13:38:07,672 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-19 13:38:07,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-19 13:38:07,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-19 13:38:07,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-19 13:38:07,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-19 13:38:07,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-19 13:38:07,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-19 13:38:07,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-19 13:38:07,673 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-19 13:38:07,673 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-03-19 13:38:07,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-19 13:38:07,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-19 13:38:07,673 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-03-19 13:38:07,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-19 13:38:07,673 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-03-19 13:38:07,673 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-03-19 13:38:07,673 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-03-19 13:38:07,673 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/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 -> bf26be9bd61f36f1b6136fc4e500a91a95d08528025fd00027577283116c4a35 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-03-19 13:38:07,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-19 13:38:07,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-19 13:38:07,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-19 13:38:07,934 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-19 13:38:07,934 INFO L274 PluginConnector]: CDTParser initialized [2025-03-19 13:38:07,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c [2025-03-19 13:38:09,268 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/de212140f/92aff99f73ea49e9bd6e41799b0685e8/FLAG574e5c8e4 [2025-03-19 13:38:09,445 INFO L389 CDTParser]: Found 1 translation units. [2025-03-19 13:38:09,446 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c [2025-03-19 13:38:09,451 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/de212140f/92aff99f73ea49e9bd6e41799b0685e8/FLAG574e5c8e4 [2025-03-19 13:38:10,318 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/de212140f/92aff99f73ea49e9bd6e41799b0685e8 [2025-03-19 13:38:10,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-19 13:38:10,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-19 13:38:10,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-19 13:38:10,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-19 13:38:10,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-19 13:38:10,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 01:38:10" (1/1) ... [2025-03-19 13:38:10,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125a29a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:38:10, skipping insertion in model container [2025-03-19 13:38:10,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 01:38:10" (1/1) ... [2025-03-19 13:38:10,337 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-19 13:38:10,481 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c[2642,2655] [2025-03-19 13:38:10,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-19 13:38:10,494 INFO L200 MainTranslator]: Completed pre-run [2025-03-19 13:38:10,521 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c[2642,2655] [2025-03-19 13:38:10,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-19 13:38:10,532 INFO L204 MainTranslator]: Completed translation [2025-03-19 13:38:10,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:38:10 WrapperNode [2025-03-19 13:38:10,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-19 13:38:10,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-19 13:38:10,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-19 13:38:10,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-19 13:38:10,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:38:10" (1/1) ... [2025-03-19 13:38:10,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:38:10" (1/1) ... [2025-03-19 13:38:10,557 INFO L138 Inliner]: procedures = 22, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2025-03-19 13:38:10,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-19 13:38:10,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-19 13:38:10,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-19 13:38:10,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-19 13:38:10,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:38:10" (1/1) ... [2025-03-19 13:38:10,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:38:10" (1/1) ... [2025-03-19 13:38:10,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:38:10" (1/1) ... [2025-03-19 13:38:10,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:38:10" (1/1) ... [2025-03-19 13:38:10,574 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:38:10" (1/1) ... [2025-03-19 13:38:10,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:38:10" (1/1) ... [2025-03-19 13:38:10,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:38:10" (1/1) ... [2025-03-19 13:38:10,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:38:10" (1/1) ... [2025-03-19 13:38:10,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:38:10" (1/1) ... [2025-03-19 13:38:10,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-19 13:38:10,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-19 13:38:10,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-19 13:38:10,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-19 13:38:10,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:38:10" (1/1) ... [2025-03-19 13:38:10,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-19 13:38:10,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 13:38:10,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-19 13:38:10,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-19 13:38:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-19 13:38:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-19 13:38:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-19 13:38:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-19 13:38:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-19 13:38:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-19 13:38:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-19 13:38:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-19 13:38:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-19 13:38:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-19 13:38:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-19 13:38:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-19 13:38:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-19 13:38:10,641 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-19 13:38:10,728 INFO L234 CfgBuilder]: Building ICFG [2025-03-19 13:38:10,729 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-19 13:38:10,952 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-19 13:38:10,952 INFO L283 CfgBuilder]: Performing block encoding [2025-03-19 13:38:11,105 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-19 13:38:11,105 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-19 13:38:11,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 01:38:11 BoogieIcfgContainer [2025-03-19 13:38:11,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-19 13:38:11,108 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-19 13:38:11,108 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-19 13:38:11,112 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-19 13:38:11,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.03 01:38:10" (1/3) ... [2025-03-19 13:38:11,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245d4463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 01:38:11, skipping insertion in model container [2025-03-19 13:38:11,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:38:10" (2/3) ... [2025-03-19 13:38:11,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245d4463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 01:38:11, skipping insertion in model container [2025-03-19 13:38:11,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 01:38:11" (3/3) ... [2025-03-19 13:38:11,115 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-min-max-1.wvr.c [2025-03-19 13:38:11,127 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-19 13:38:11,130 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-min-max-1.wvr.c that has 4 procedures, 51 locations, 52 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-03-19 13:38:11,130 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-19 13:38:11,196 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-19 13:38:11,227 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-19 13:38:11,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-03-19 13:38:11,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 13:38:11,229 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-03-19 13:38:11,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-03-19 13:38:11,285 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-03-19 13:38:11,293 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-03-19 13:38:11,298 INFO L340 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;@7504cb3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-19 13:38:11,298 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-19 13:38:11,725 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 13:38:11,728 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 13:38:11,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1557132577, now seen corresponding path program 1 times [2025-03-19 13:38:11,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 13:38:11,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938244769] [2025-03-19 13:38:11,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 13:38:11,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 13:38:11,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-19 13:38:11,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-19 13:38:11,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 13:38:11,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:12,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 13:38:12,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 13:38:12,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938244769] [2025-03-19 13:38:12,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938244769] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 13:38:12,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 13:38:12,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-19 13:38:12,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864839939] [2025-03-19 13:38:12,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 13:38:12,088 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-19 13:38:12,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 13:38:12,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-19 13:38:12,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-19 13:38:12,105 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:12,106 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 13:38:12,107 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 13:38:12,107 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:12,200 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:12,200 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-19 13:38:12,200 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 13:38:12,200 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 13:38:12,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1254160682, now seen corresponding path program 1 times [2025-03-19 13:38:12,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 13:38:12,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251314193] [2025-03-19 13:38:12,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 13:38:12,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 13:38:12,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-19 13:38:12,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-19 13:38:12,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 13:38:12,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:12,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 13:38:12,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 13:38:12,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251314193] [2025-03-19 13:38:12,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251314193] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 13:38:12,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 13:38:12,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-19 13:38:12,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159024282] [2025-03-19 13:38:12,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 13:38:12,358 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-19 13:38:12,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 13:38:12,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-19 13:38:12,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-19 13:38:12,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:12,359 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 13:38:12,360 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2025-03-19 13:38:12,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:12,360 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:12,444 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:12,444 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:12,445 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-19 13:38:12,445 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 13:38:12,445 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 13:38:12,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1176248267, now seen corresponding path program 1 times [2025-03-19 13:38:12,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 13:38:12,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071788228] [2025-03-19 13:38:12,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 13:38:12,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 13:38:12,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-19 13:38:12,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-19 13:38:12,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 13:38:12,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-19 13:38:12,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 13:38:12,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071788228] [2025-03-19 13:38:12,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071788228] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 13:38:12,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 13:38:12,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-19 13:38:12,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107897750] [2025-03-19 13:38:12,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 13:38:12,785 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-19 13:38:12,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 13:38:12,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-19 13:38:12,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-19 13:38:12,785 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:12,786 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 13:38:12,786 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 13:38:12,786 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:12,786 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:12,786 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:13,114 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:13,114 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:13,114 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:13,114 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-19 13:38:13,115 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 13:38:13,115 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 13:38:13,115 INFO L85 PathProgramCache]: Analyzing trace with hash -865032523, now seen corresponding path program 2 times [2025-03-19 13:38:13,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 13:38:13,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454716208] [2025-03-19 13:38:13,115 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 13:38:13,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 13:38:13,124 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 48 statements into 2 equivalence classes. [2025-03-19 13:38:13,143 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 47 of 48 statements. [2025-03-19 13:38:13,143 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-19 13:38:13,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:13,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 13:38:13,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 13:38:13,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454716208] [2025-03-19 13:38:13,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454716208] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 13:38:13,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 13:38:13,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-19 13:38:13,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98877964] [2025-03-19 13:38:13,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 13:38:13,441 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-19 13:38:13,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 13:38:13,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-19 13:38:13,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-19 13:38:13,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:13,441 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 13:38:13,441 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 13:38:13,441 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:13,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:13,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:13,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:14,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:14,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:14,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:14,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 13:38:14,008 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-19 13:38:14,008 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 13:38:14,008 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 13:38:14,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1085243275, now seen corresponding path program 1 times [2025-03-19 13:38:14,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 13:38:14,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755600954] [2025-03-19 13:38:14,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 13:38:14,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 13:38:14,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-19 13:38:14,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-19 13:38:14,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 13:38:14,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 13:38:14,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 13:38:14,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755600954] [2025-03-19 13:38:14,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755600954] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 13:38:14,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869275862] [2025-03-19 13:38:14,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 13:38:14,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 13:38:14,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 13:38:14,136 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 13:38:14,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-19 13:38:14,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-19 13:38:14,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-19 13:38:14,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 13:38:14,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:14,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-19 13:38:14,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 13:38:14,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 13:38:14,341 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 13:38:14,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 13:38:14,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869275862] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 13:38:14,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 13:38:14,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-03-19 13:38:14,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270840440] [2025-03-19 13:38:14,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 13:38:14,417 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-19 13:38:14,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 13:38:14,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-19 13:38:14,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-03-19 13:38:14,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:14,419 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 13:38:14,419 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 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) [2025-03-19 13:38:14,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:14,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:14,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:14,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 13:38:14,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:14,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:14,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:14,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:14,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 13:38:14,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 13:38:14,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-19 13:38:14,743 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 13:38:14,744 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 13:38:14,744 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 13:38:14,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1213511606, now seen corresponding path program 2 times [2025-03-19 13:38:14,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 13:38:14,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354351699] [2025-03-19 13:38:14,744 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 13:38:14,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 13:38:14,753 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 53 statements into 2 equivalence classes. [2025-03-19 13:38:14,777 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 53 of 53 statements. [2025-03-19 13:38:14,777 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 13:38:14,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-19 13:38:14,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 13:38:14,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354351699] [2025-03-19 13:38:14,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354351699] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 13:38:14,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165356681] [2025-03-19 13:38:14,863 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 13:38:14,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 13:38:14,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 13:38:14,866 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 13:38:14,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-19 13:38:14,914 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 53 statements into 2 equivalence classes. [2025-03-19 13:38:14,939 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 53 of 53 statements. [2025-03-19 13:38:14,939 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 13:38:14,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:14,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-19 13:38:14,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 13:38:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-19 13:38:15,013 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 13:38:15,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-19 13:38:15,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165356681] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-19 13:38:15,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-19 13:38:15,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 7] total 13 [2025-03-19 13:38:15,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509810536] [2025-03-19 13:38:15,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 13:38:15,075 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-19 13:38:15,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 13:38:15,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-19 13:38:15,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-03-19 13:38:15,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:15,076 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 13:38:15,076 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2025-03-19 13:38:15,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:15,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:15,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:15,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 13:38:15,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 13:38:15,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:15,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:15,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:15,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:15,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 13:38:15,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 13:38:15,203 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:15,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-19 13:38:15,407 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 13:38:15,407 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 13:38:15,407 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 13:38:15,408 INFO L85 PathProgramCache]: Analyzing trace with hash 645203711, now seen corresponding path program 3 times [2025-03-19 13:38:15,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 13:38:15,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110356428] [2025-03-19 13:38:15,408 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 13:38:15,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 13:38:15,415 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 56 statements into 2 equivalence classes. [2025-03-19 13:38:15,440 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 47 of 56 statements. [2025-03-19 13:38:15,440 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-19 13:38:15,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:15,797 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-19 13:38:15,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 13:38:15,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110356428] [2025-03-19 13:38:15,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110356428] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 13:38:15,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 13:38:15,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-19 13:38:15,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327028711] [2025-03-19 13:38:15,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 13:38:15,798 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-19 13:38:15,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 13:38:15,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-19 13:38:15,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-03-19 13:38:15,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:15,798 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 13:38:15,798 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 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) [2025-03-19 13:38:15,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:15,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:15,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:15,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 13:38:15,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 13:38:15,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:15,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:16,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:16,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:16,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:16,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 13:38:16,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 13:38:16,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:16,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 13:38:16,528 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-19 13:38:16,528 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 13:38:16,528 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 13:38:16,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1455141260, now seen corresponding path program 4 times [2025-03-19 13:38:16,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 13:38:16,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287660335] [2025-03-19 13:38:16,529 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 13:38:16,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 13:38:16,551 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 63 statements into 2 equivalence classes. [2025-03-19 13:38:16,555 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 51 of 63 statements. [2025-03-19 13:38:16,556 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 13:38:16,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:16,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-19 13:38:16,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 13:38:16,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287660335] [2025-03-19 13:38:16,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287660335] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 13:38:16,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 13:38:16,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-19 13:38:16,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374900007] [2025-03-19 13:38:16,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 13:38:16,660 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-19 13:38:16,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 13:38:16,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-19 13:38:16,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-03-19 13:38:16,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:16,661 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 13:38:16,661 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 13:38:16,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:16,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:16,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:16,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 13:38:16,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 13:38:16,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:16,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-19 13:38:16,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:16,878 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:16,878 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:16,878 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:16,879 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 13:38:16,879 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 13:38:16,879 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:16,879 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 13:38:16,879 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 13:38:16,879 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-19 13:38:16,879 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 13:38:16,879 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 13:38:16,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1204405339, now seen corresponding path program 1 times [2025-03-19 13:38:16,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 13:38:16,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47158931] [2025-03-19 13:38:16,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 13:38:16,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 13:38:16,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-19 13:38:16,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-19 13:38:16,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 13:38:16,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 13:38:16,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 13:38:16,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47158931] [2025-03-19 13:38:16,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47158931] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 13:38:16,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435676791] [2025-03-19 13:38:16,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 13:38:16,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 13:38:16,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 13:38:16,977 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 13:38:16,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-19 13:38:17,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-19 13:38:17,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-19 13:38:17,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 13:38:17,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:17,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-19 13:38:17,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 13:38:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 13:38:17,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 13:38:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 13:38:17,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435676791] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-19 13:38:17,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-19 13:38:17,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7, 7] total 14 [2025-03-19 13:38:17,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655569556] [2025-03-19 13:38:17,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 13:38:17,202 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-19 13:38:17,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 13:38:17,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-19 13:38:17,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2025-03-19 13:38:17,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:17,202 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 13:38:17,202 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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) [2025-03-19 13:38:17,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:17,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:17,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:17,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 13:38:17,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 13:38:17,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:17,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-19 13:38:17,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 13:38:17,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:17,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:17,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:17,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:17,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 13:38:17,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 13:38:17,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:17,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 13:38:17,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 13:38:17,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:17,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-19 13:38:17,514 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 13:38:17,514 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 13:38:17,514 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 13:38:17,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1643410608, now seen corresponding path program 3 times [2025-03-19 13:38:17,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 13:38:17,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415246691] [2025-03-19 13:38:17,514 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 13:38:17,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 13:38:17,520 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 57 statements into 2 equivalence classes. [2025-03-19 13:38:17,524 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 48 of 57 statements. [2025-03-19 13:38:17,525 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-19 13:38:17,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-19 13:38:17,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 13:38:17,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415246691] [2025-03-19 13:38:17,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415246691] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 13:38:17,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 13:38:17,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-19 13:38:17,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755776777] [2025-03-19 13:38:17,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 13:38:17,744 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-19 13:38:17,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 13:38:17,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-19 13:38:17,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2025-03-19 13:38:17,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:17,745 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 13:38:17,745 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 13:38:17,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:17,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:17,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:17,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 13:38:17,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 13:38:17,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:17,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-19 13:38:17,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 13:38:17,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:17,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:18,555 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:18,556 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:18,556 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:18,556 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 13:38:18,556 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 13:38:18,556 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:18,556 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 13:38:18,556 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 13:38:18,556 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:18,556 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 13:38:18,556 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-19 13:38:18,556 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 13:38:18,556 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 13:38:18,556 INFO L85 PathProgramCache]: Analyzing trace with hash -2116085347, now seen corresponding path program 4 times [2025-03-19 13:38:18,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 13:38:18,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302298366] [2025-03-19 13:38:18,557 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 13:38:18,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 13:38:18,563 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-03-19 13:38:18,571 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-03-19 13:38:18,571 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 13:38:18,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:18,684 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 13:38:18,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 13:38:18,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302298366] [2025-03-19 13:38:18,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302298366] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 13:38:18,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607568128] [2025-03-19 13:38:18,684 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 13:38:18,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 13:38:18,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 13:38:18,686 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 13:38:18,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-19 13:38:18,738 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-03-19 13:38:18,762 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-03-19 13:38:18,762 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 13:38:18,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:18,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-19 13:38:18,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 13:38:18,885 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 13:38:18,885 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 13:38:18,970 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 13:38:18,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607568128] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 13:38:18,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 13:38:18,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-03-19 13:38:18,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971513039] [2025-03-19 13:38:18,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 13:38:18,970 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-19 13:38:18,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 13:38:18,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-19 13:38:18,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2025-03-19 13:38:18,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:18,971 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 13:38:18,971 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.666666666666667) internal successors, (102), 18 states have internal predecessors, (102), 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) [2025-03-19 13:38:18,971 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:18,971 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:18,971 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:18,971 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 13:38:18,971 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 13:38:18,971 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:18,971 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-19 13:38:18,971 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 13:38:18,971 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:18,971 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 13:38:18,971 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:19,068 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:19,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:19,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:19,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 13:38:19,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 13:38:19,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:19,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 13:38:19,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 13:38:19,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:19,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 13:38:19,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 13:38:19,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-19 13:38:19,269 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-03-19 13:38:19,270 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 13:38:19,270 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 13:38:19,270 INFO L85 PathProgramCache]: Analyzing trace with hash 273402354, now seen corresponding path program 5 times [2025-03-19 13:38:19,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 13:38:19,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374575581] [2025-03-19 13:38:19,270 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 13:38:19,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 13:38:19,277 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 65 statements into 3 equivalence classes. [2025-03-19 13:38:19,287 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 65 of 65 statements. [2025-03-19 13:38:19,287 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-03-19 13:38:19,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:19,616 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-19 13:38:19,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 13:38:19,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374575581] [2025-03-19 13:38:19,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374575581] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 13:38:19,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876999067] [2025-03-19 13:38:19,616 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 13:38:19,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 13:38:19,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 13:38:19,618 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 13:38:19,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-19 13:38:19,664 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 65 statements into 3 equivalence classes. [2025-03-19 13:38:19,697 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 65 of 65 statements. [2025-03-19 13:38:19,697 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-03-19 13:38:19,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 13:38:19,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-19 13:38:19,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 13:38:19,926 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2025-03-19 13:38:19,974 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-19 13:38:19,974 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 13:38:20,146 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-03-19 13:38:20,146 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 9 [2025-03-19 13:38:20,199 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-19 13:38:20,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876999067] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 13:38:20,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 13:38:20,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 10] total 30 [2025-03-19 13:38:20,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863717304] [2025-03-19 13:38:20,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 13:38:20,199 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-03-19 13:38:20,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 13:38:20,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-03-19 13:38:20,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=784, Unknown=0, NotChecked=0, Total=870 [2025-03-19 13:38:20,200 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:20,200 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 13:38:20,200 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.566666666666666) internal successors, (137), 30 states have internal predecessors, (137), 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) [2025-03-19 13:38:20,200 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:20,200 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:20,200 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:20,200 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 13:38:20,200 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 13:38:20,200 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:20,200 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-19 13:38:20,200 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 13:38:20,200 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:20,200 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 13:38:20,200 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 13:38:20,200 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 13:38:32,083 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:32,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 13:38:32,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 13:38:32,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 13:38:32,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:32,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 13:38:32,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-03-19 13:38:32,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 13:38:32,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 13:38:32,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-03-19 13:38:32,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 13:38:32,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 429 states. [2025-03-19 13:38:32,086 INFO L791 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-03-19 13:38:32,087 INFO L791 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-03-19 13:38:32,087 INFO L791 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-03-19 13:38:32,087 INFO L791 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-03-19 13:38:32,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-19 13:38:32,287 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-03-19 13:38:32,291 INFO L422 BasicCegarLoop]: Path program histogram: [5, 4, 1, 1, 1] [2025-03-19 13:38:32,293 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-19 13:38:32,293 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-03-19 13:38:32,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-03-19 13:38:32,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.03 01:38:32 BasicIcfg [2025-03-19 13:38:32,301 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-19 13:38:32,302 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-19 13:38:32,302 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-19 13:38:32,302 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-19 13:38:32,303 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 01:38:11" (3/4) ... [2025-03-19 13:38:32,304 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-19 13:38:32,306 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-19 13:38:32,306 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-19 13:38:32,306 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-03-19 13:38:32,309 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2025-03-19 13:38:32,310 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2025-03-19 13:38:32,310 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-03-19 13:38:32,310 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-19 13:38:32,372 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2025-03-19 13:38:32,373 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2025-03-19 13:38:32,373 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-19 13:38:32,374 INFO L158 Benchmark]: Toolchain (without parser) took 22052.24ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 92.0MB in the beginning and 115.3MB in the end (delta: -23.3MB). Peak memory consumption was 183.0MB. Max. memory is 16.1GB. [2025-03-19 13:38:32,374 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-19 13:38:32,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.41ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 77.0MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-19 13:38:32,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.64ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-19 13:38:32,376 INFO L158 Benchmark]: Boogie Preprocessor took 23.64ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 74.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-19 13:38:32,376 INFO L158 Benchmark]: RCFGBuilder took 524.34ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 40.0MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-19 13:38:32,377 INFO L158 Benchmark]: TraceAbstraction took 21193.47ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 39.6MB in the beginning and 122.8MB in the end (delta: -83.2MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. [2025-03-19 13:38:32,377 INFO L158 Benchmark]: Witness Printer took 70.98ms. Allocated memory is still 327.2MB. Free memory was 122.8MB in the beginning and 115.3MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-19 13:38:32,379 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.41ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 77.0MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.64ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.64ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 74.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 524.34ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 40.0MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 21193.47ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 39.6MB in the beginning and 122.8MB in the end (delta: -83.2MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. * Witness Printer took 70.98ms. Allocated memory is still 327.2MB. Free memory was 122.8MB in the beginning and 115.3MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 49647, independent: 41445, independent conditional: 40311, independent unconditional: 1134, dependent: 8202, dependent conditional: 8186, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 41930, independent: 41445, independent conditional: 0, independent unconditional: 41445, dependent: 485, dependent conditional: 0, dependent unconditional: 485, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 962, independent: 946, independent conditional: 0, independent unconditional: 946, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 962, independent: 944, independent conditional: 0, independent unconditional: 944, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 527, independent: 58, independent conditional: 0, independent unconditional: 58, dependent: 469, dependent conditional: 0, dependent unconditional: 469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 41930, independent: 40499, independent conditional: 0, independent unconditional: 40499, dependent: 469, dependent conditional: 0, dependent unconditional: 469, unknown: 962, unknown conditional: 0, unknown unconditional: 962] , Statistics on independence cache: Total cache size (in pairs): 962, Positive cache size: 946, Positive conditional cache size: 0, Positive unconditional cache size: 946, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 7717, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 635, Number of trivial persistent sets: 478, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 49647, independent: 41445, independent conditional: 40311, independent unconditional: 1134, dependent: 8202, dependent conditional: 8186, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 41930, independent: 41445, independent conditional: 0, independent unconditional: 41445, dependent: 485, dependent conditional: 0, dependent unconditional: 485, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 962, independent: 946, independent conditional: 0, independent unconditional: 946, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 962, independent: 944, independent conditional: 0, independent unconditional: 944, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 527, independent: 58, independent conditional: 0, independent unconditional: 58, dependent: 469, dependent conditional: 0, dependent unconditional: 469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 41930, independent: 40499, independent conditional: 0, independent unconditional: 40499, dependent: 469, dependent conditional: 0, dependent unconditional: 469, unknown: 962, unknown conditional: 0, unknown unconditional: 962] , Statistics on independence cache: Total cache size (in pairs): 962, Positive cache size: 946, Positive conditional cache size: 0, Positive unconditional cache size: 946, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 7717 - PositiveResult [Line: 101]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 78 locations, 86 edges, 4 error locations. Started 1 CEGAR loops. OverallTime: 21.0s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 15.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 619, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 927 NumberOfCodeBlocks, 896 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1189 ConstructedInterpolants, 0 QuantifiedInterpolants, 4595 SizeOfPredicates, 26 NumberOfNonLiveVariables, 1276 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 22 InterpolantComputations, 9 PerfectInterpolantSequences, 100/129 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-19 13:38:32,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE