./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.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 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 14:03:46,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 14:03:46,604 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 14:03:46,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 14:03:46,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 14:03:46,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 14:03:46,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 14:03:46,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 14:03:46,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 14:03:46,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 14:03:46,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 14:03:46,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 14:03:46,649 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 14:03:46,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 14:03:46,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 14:03:46,652 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 14:03:46,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 14:03:46,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 14:03:46,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 14:03:46,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 14:03:46,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 14:03:46,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 14:03:46,658 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 14:03:46,658 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 14:03:46,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 14:03:46,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 14:03:46,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 14:03:46,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 14:03:46,659 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 14:03:46,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 14:03:46,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 14:03:46,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 14:03:46,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 14:03:46,660 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 14:03:46,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 14:03:46,661 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 14:03:46,663 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 14:03:46,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 14:03:46,664 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 14:03:46,664 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 14:03:46,665 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 14:03:46,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-10-18 14:03:46,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 14:03:47,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 14:03:47,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 14:03:47,019 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 14:03:47,019 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 14:03:47,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-10-18 14:03:48,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 14:03:48,673 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 14:03:48,674 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-10-18 14:03:48,682 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f671f36f4/881a373ad5564f6b83b0c24ee788dab9/FLAG298719810 [2024-10-18 14:03:49,048 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f671f36f4/881a373ad5564f6b83b0c24ee788dab9 [2024-10-18 14:03:49,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 14:03:49,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 14:03:49,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 14:03:49,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 14:03:49,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 14:03:49,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 02:03:49" (1/1) ... [2024-10-18 14:03:49,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc4ddff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:03:49, skipping insertion in model container [2024-10-18 14:03:49,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 02:03:49" (1/1) ... [2024-10-18 14:03:49,100 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 14:03:49,342 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2024-10-18 14:03:49,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 14:03:49,362 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 14:03:49,383 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2024-10-18 14:03:49,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 14:03:49,398 INFO L204 MainTranslator]: Completed translation [2024-10-18 14:03:49,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:03:49 WrapperNode [2024-10-18 14:03:49,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 14:03:49,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 14:03:49,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 14:03:49,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 14:03:49,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:03:49" (1/1) ... [2024-10-18 14:03:49,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:03:49" (1/1) ... [2024-10-18 14:03:49,435 INFO L138 Inliner]: procedures = 21, calls = 22, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 114 [2024-10-18 14:03:49,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 14:03:49,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 14:03:49,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 14:03:49,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 14:03:49,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:03:49" (1/1) ... [2024-10-18 14:03:49,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:03:49" (1/1) ... [2024-10-18 14:03:49,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:03:49" (1/1) ... [2024-10-18 14:03:49,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:03:49" (1/1) ... [2024-10-18 14:03:49,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:03:49" (1/1) ... [2024-10-18 14:03:49,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:03:49" (1/1) ... [2024-10-18 14:03:49,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:03:49" (1/1) ... [2024-10-18 14:03:49,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:03:49" (1/1) ... [2024-10-18 14:03:49,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 14:03:49,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 14:03:49,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 14:03:49,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 14:03:49,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:03:49" (1/1) ... [2024-10-18 14:03:49,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 14:03:49,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 14:03:49,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 14:03:49,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 14:03:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 14:03:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 14:03:49,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 14:03:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 14:03:49,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 14:03:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 14:03:49,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 14:03:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-18 14:03:49,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-18 14:03:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 14:03:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 14:03:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 14:03:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 14:03:49,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 14:03:49,566 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 14:03:49,660 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 14:03:49,662 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 14:03:49,907 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 14:03:49,908 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 14:03:50,077 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 14:03:50,077 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-18 14:03:50,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 02:03:50 BoogieIcfgContainer [2024-10-18 14:03:50,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 14:03:50,081 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 14:03:50,081 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 14:03:50,084 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 14:03:50,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 02:03:49" (1/3) ... [2024-10-18 14:03:50,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a724445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 02:03:50, skipping insertion in model container [2024-10-18 14:03:50,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:03:49" (2/3) ... [2024-10-18 14:03:50,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a724445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 02:03:50, skipping insertion in model container [2024-10-18 14:03:50,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 02:03:50" (3/3) ... [2024-10-18 14:03:50,087 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-10-18 14:03:50,103 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 14:03:50,104 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 14:03:50,104 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 14:03:50,154 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-18 14:03:50,198 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 14:03:50,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 14:03:50,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 14:03:50,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 14:03:50,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 14:03:50,299 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 14:03:50,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 14:03:50,321 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 14:03:50,327 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@18a7b086, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 14:03:50,329 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-18 14:03:51,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 14:03:51,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 14:03:51,501 INFO L85 PathProgramCache]: Analyzing trace with hash -604330587, now seen corresponding path program 1 times [2024-10-18 14:03:51,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 14:03:51,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301512868] [2024-10-18 14:03:51,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:03:51,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:03:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:03:52,251 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 14:03:52,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 14:03:52,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301512868] [2024-10-18 14:03:52,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301512868] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 14:03:52,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794164486] [2024-10-18 14:03:52,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:03:52,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 14:03:52,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 14:03:52,258 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 14:03:52,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 14:03:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:03:52,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-18 14:03:52,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 14:03:52,616 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-18 14:03:52,617 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 14:03:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-18 14:03:52,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794164486] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 14:03:52,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 14:03:52,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 18 [2024-10-18 14:03:52,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590969067] [2024-10-18 14:03:52,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 14:03:52,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-18 14:03:52,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 14:03:52,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-18 14:03:52,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-10-18 14:03:52,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:03:52,881 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 14:03:52,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.052631578947368) internal successors, (96), 18 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 14:03:52,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:03:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 14:03:53,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 14:03:54,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-18 14:03:54,083 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 14:03:54,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 14:03:54,084 INFO L85 PathProgramCache]: Analyzing trace with hash -791974385, now seen corresponding path program 2 times [2024-10-18 14:03:54,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 14:03:54,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368021572] [2024-10-18 14:03:54,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:03:54,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:03:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:03:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 85 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-18 14:03:54,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 14:03:54,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368021572] [2024-10-18 14:03:54,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368021572] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 14:03:54,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803170402] [2024-10-18 14:03:54,485 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 14:03:54,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 14:03:54,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 14:03:54,487 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 14:03:54,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 14:03:54,597 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 14:03:54,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 14:03:54,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-18 14:03:54,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 14:03:54,987 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 59 proven. 60 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 14:03:54,988 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 14:03:55,360 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 59 proven. 60 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 14:03:55,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803170402] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 14:03:55,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 14:03:55,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 11] total 26 [2024-10-18 14:03:55,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479481127] [2024-10-18 14:03:55,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 14:03:55,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-18 14:03:55,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 14:03:55,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-18 14:03:55,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2024-10-18 14:03:55,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:03:55,468 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 14:03:55,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.481481481481482) internal successors, (148), 26 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 14:03:55,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 14:03:55,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:03:58,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 14:03:58,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-10-18 14:03:58,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-18 14:03:58,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 14:03:58,249 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 14:03:58,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 14:03:58,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1267116445, now seen corresponding path program 3 times [2024-10-18 14:03:58,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 14:03:58,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970938155] [2024-10-18 14:03:58,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:03:58,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:03:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:03:59,548 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 241 proven. 171 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-10-18 14:03:59,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 14:03:59,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970938155] [2024-10-18 14:03:59,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970938155] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 14:03:59,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669705061] [2024-10-18 14:03:59,549 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 14:03:59,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 14:03:59,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 14:03:59,552 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 14:03:59,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 14:03:59,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-10-18 14:03:59,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 14:03:59,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-18 14:03:59,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 14:04:00,621 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 89 proven. 742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 14:04:00,621 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 14:04:01,646 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 358 proven. 473 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 14:04:01,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669705061] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 14:04:01,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 14:04:01,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 30, 30] total 63 [2024-10-18 14:04:01,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635013041] [2024-10-18 14:04:01,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 14:04:01,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-10-18 14:04:01,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 14:04:01,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-10-18 14:04:01,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1046, Invalid=2986, Unknown=0, NotChecked=0, Total=4032 [2024-10-18 14:04:01,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:04:01,902 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 14:04:01,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 4.765625) internal successors, (305), 63 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 14:04:01,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 14:04:01,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-10-18 14:04:01,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:04:08,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 14:04:08,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-10-18 14:04:08,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-10-18 14:04:08,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-18 14:04:08,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 14:04:08,427 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 14:04:08,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 14:04:08,428 INFO L85 PathProgramCache]: Analyzing trace with hash 760638567, now seen corresponding path program 4 times [2024-10-18 14:04:08,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 14:04:08,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844122718] [2024-10-18 14:04:08,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:04:08,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:04:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:04:12,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3831 backedges. 191 proven. 886 refuted. 0 times theorem prover too weak. 2754 trivial. 0 not checked. [2024-10-18 14:04:12,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 14:04:12,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844122718] [2024-10-18 14:04:12,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844122718] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 14:04:12,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956131299] [2024-10-18 14:04:12,462 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 14:04:12,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 14:04:12,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 14:04:12,463 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 14:04:12,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 14:04:12,630 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 14:04:12,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 14:04:12,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 124 conjuncts are in the unsatisfiable core [2024-10-18 14:04:12,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 14:04:13,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3831 backedges. 191 proven. 830 refuted. 0 times theorem prover too weak. 2810 trivial. 0 not checked. [2024-10-18 14:04:13,004 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 14:04:13,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3831 backedges. 191 proven. 830 refuted. 0 times theorem prover too weak. 2810 trivial. 0 not checked. [2024-10-18 14:04:13,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956131299] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 14:04:13,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 14:04:13,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2024-10-18 14:04:13,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097787605] [2024-10-18 14:04:13,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 14:04:13,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 14:04:13,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 14:04:14,206 INFO L85 PathProgramCache]: Analyzing trace with hash 663884020, now seen corresponding path program 1 times [2024-10-18 14:04:14,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:04:14,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:04:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:04:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 6607 backedges. 851 proven. 1706 refuted. 0 times theorem prover too weak. 4050 trivial. 0 not checked. [2024-10-18 14:04:15,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:04:15,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:04:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:04:17,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6607 backedges. 851 proven. 1706 refuted. 0 times theorem prover too weak. 4050 trivial. 0 not checked. [2024-10-18 14:04:17,380 INFO L85 PathProgramCache]: Analyzing trace with hash -558258670, now seen corresponding path program 1 times [2024-10-18 14:04:17,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:04:17,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:04:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:04:18,610 INFO L134 CoverageAnalysis]: Checked inductivity of 6611 backedges. 854 proven. 1706 refuted. 0 times theorem prover too weak. 4051 trivial. 0 not checked. [2024-10-18 14:04:18,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:04:18,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:04:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:04:19,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6611 backedges. 854 proven. 1706 refuted. 0 times theorem prover too weak. 4051 trivial. 0 not checked. [2024-10-18 14:04:19,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1426147161, now seen corresponding path program 1 times [2024-10-18 14:04:19,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:04:19,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:04:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:04:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6619 backedges. 1116 proven. 2078 refuted. 0 times theorem prover too weak. 3425 trivial. 0 not checked. [2024-10-18 14:04:21,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:04:21,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:04:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:04:22,359 INFO L134 CoverageAnalysis]: Checked inductivity of 6619 backedges. 1116 proven. 2078 refuted. 0 times theorem prover too weak. 3425 trivial. 0 not checked. [2024-10-18 14:04:22,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 14:04:22,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2024-10-18 14:04:22,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:04:22,361 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 14:04:22,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 14:04:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 14:04:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-10-18 14:04:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-10-18 14:04:22,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:04:22,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 14:04:22,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-10-18 14:04:22,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-10-18 14:04:22,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 14:04:22,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-18 14:04:22,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable9 [2024-10-18 14:04:22,776 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 14:04:22,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 14:04:22,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1783968291, now seen corresponding path program 5 times [2024-10-18 14:04:22,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 14:04:22,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393249391] [2024-10-18 14:04:22,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:04:22,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:04:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:04:25,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3703 backedges. 443 proven. 1025 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2024-10-18 14:04:25,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 14:04:25,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393249391] [2024-10-18 14:04:25,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393249391] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 14:04:25,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412464633] [2024-10-18 14:04:25,169 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 14:04:25,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 14:04:25,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 14:04:25,171 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 14:04:25,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 14:04:25,391 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2024-10-18 14:04:25,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 14:04:25,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-10-18 14:04:25,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 14:04:27,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3703 backedges. 197 proven. 3504 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 14:04:27,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 14:04:31,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3703 backedges. 325 proven. 3376 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 14:04:31,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412464633] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 14:04:31,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 14:04:31,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 66, 66] total 144 [2024-10-18 14:04:31,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260943730] [2024-10-18 14:04:31,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 14:04:31,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-10-18 14:04:31,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 14:04:32,464 INFO L85 PathProgramCache]: Analyzing trace with hash 663884043, now seen corresponding path program 1 times [2024-10-18 14:04:32,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:04:32,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:04:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:04:33,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6607 backedges. 851 proven. 1706 refuted. 0 times theorem prover too weak. 4050 trivial. 0 not checked. [2024-10-18 14:04:33,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:04:33,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:04:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:04:34,769 INFO L134 CoverageAnalysis]: Checked inductivity of 6607 backedges. 851 proven. 1706 refuted. 0 times theorem prover too weak. 4050 trivial. 0 not checked. [2024-10-18 14:04:34,810 INFO L85 PathProgramCache]: Analyzing trace with hash -558258647, now seen corresponding path program 1 times [2024-10-18 14:04:34,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:04:34,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:04:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:04:35,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6611 backedges. 854 proven. 1706 refuted. 0 times theorem prover too weak. 4051 trivial. 0 not checked. [2024-10-18 14:04:35,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:04:35,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:04:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:04:36,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6611 backedges. 854 proven. 1706 refuted. 0 times theorem prover too weak. 4051 trivial. 0 not checked. [2024-10-18 14:04:36,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-10-18 14:04:36,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4709, Invalid=18547, Unknown=0, NotChecked=0, Total=23256 [2024-10-18 14:04:36,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:04:36,622 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 14:04:36,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 3.9655172413793105) internal successors, (575), 144 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 14:04:36,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 14:04:36,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-10-18 14:04:36,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-10-18 14:04:36,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 14:04:36,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:05:23,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 14:05:23,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-10-18 14:05:23,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 14:05:23,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 14:05:23,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 341 states. [2024-10-18 14:05:23,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-18 14:05:23,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-10-18 14:05:23,585 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 14:05:23,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 14:05:23,585 INFO L85 PathProgramCache]: Analyzing trace with hash 771338649, now seen corresponding path program 6 times [2024-10-18 14:05:23,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 14:05:23,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058934171] [2024-10-18 14:05:23,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:05:23,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:05:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:05:27,177 INFO L134 CoverageAnalysis]: Checked inductivity of 12681 backedges. 173 proven. 499 refuted. 0 times theorem prover too weak. 12009 trivial. 0 not checked. [2024-10-18 14:05:27,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 14:05:27,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058934171] [2024-10-18 14:05:27,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058934171] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 14:05:27,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286121147] [2024-10-18 14:05:27,178 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 14:05:27,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 14:05:27,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 14:05:27,181 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 14:05:27,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 14:05:27,581 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 55 check-sat command(s) [2024-10-18 14:05:27,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 14:05:27,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-10-18 14:05:27,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 14:05:32,257 INFO L134 CoverageAnalysis]: Checked inductivity of 12681 backedges. 173 proven. 12508 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 14:05:32,258 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 14:05:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12681 backedges. 230 proven. 12451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 14:05:38,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286121147] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 14:05:38,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 14:05:38,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 117, 117] total 237 [2024-10-18 14:05:38,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319028917] [2024-10-18 14:05:38,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 14:05:38,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 238 states [2024-10-18 14:05:38,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 14:05:39,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 238 interpolants. [2024-10-18 14:05:39,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11373, Invalid=45033, Unknown=0, NotChecked=0, Total=56406 [2024-10-18 14:05:39,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:05:39,448 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 14:05:39,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 238 states, 238 states have (on average 4.067226890756302) internal successors, (968), 237 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 14:05:39,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 14:05:39,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-10-18 14:05:39,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 14:05:39,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 14:05:39,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 341 states. [2024-10-18 14:05:39,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:06:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 14:06:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-10-18 14:06:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 14:06:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 14:06:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-10-18 14:06:48,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2024-10-18 14:06:48,046 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-18 14:06:48,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-18 14:06:48,232 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 14:06:48,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 14:06:48,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1765436419, now seen corresponding path program 7 times [2024-10-18 14:06:48,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 14:06:48,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54359541] [2024-10-18 14:06:48,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:06:48,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:06:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:06:52,823 INFO L134 CoverageAnalysis]: Checked inductivity of 16801 backedges. 133 proven. 512 refuted. 0 times theorem prover too weak. 16156 trivial. 0 not checked. [2024-10-18 14:06:52,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 14:06:52,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54359541] [2024-10-18 14:06:52,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54359541] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 14:06:52,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230223251] [2024-10-18 14:06:52,824 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 14:06:52,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 14:06:52,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 14:06:52,826 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 14:06:52,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 14:06:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:06:53,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 1592 conjuncts, 137 conjuncts are in the unsatisfiable core [2024-10-18 14:06:53,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 14:06:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 16801 backedges. 133 proven. 16668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 14:06:58,895 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 14:07:06,199 INFO L134 CoverageAnalysis]: Checked inductivity of 16801 backedges. 133 proven. 16668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 14:07:06,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230223251] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 14:07:06,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 14:07:06,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 135, 135] total 273 [2024-10-18 14:07:06,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154090265] [2024-10-18 14:07:06,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 14:07:06,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 274 states [2024-10-18 14:07:06,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 14:07:07,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 274 interpolants. [2024-10-18 14:07:07,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14683, Invalid=60119, Unknown=0, NotChecked=0, Total=74802 [2024-10-18 14:07:07,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:07:07,684 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 14:07:07,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 274 states, 274 states have (on average 4.025547445255475) internal successors, (1103), 273 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 14:07:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 14:07:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-10-18 14:07:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 14:07:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 14:07:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-10-18 14:07:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 353 states. [2024-10-18 14:07:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:08:47,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 14:08:47,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-10-18 14:08:47,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 14:08:47,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 14:08:47,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-10-18 14:08:47,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2024-10-18 14:08:47,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2024-10-18 14:08:47,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-18 14:08:48,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 14:08:48,074 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 14:08:48,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 14:08:48,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1004413781, now seen corresponding path program 8 times [2024-10-18 14:08:48,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 14:08:48,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140293208] [2024-10-18 14:08:48,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:08:48,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:08:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 14:08:58,828 INFO L134 CoverageAnalysis]: Checked inductivity of 22244 backedges. 231 proven. 1109 refuted. 0 times theorem prover too weak. 20904 trivial. 0 not checked. [2024-10-18 14:08:58,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 14:08:58,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140293208] [2024-10-18 14:08:58,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140293208] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 14:08:58,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515077590] [2024-10-18 14:08:58,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 14:08:58,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 14:08:58,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 14:08:58,831 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 14:08:58,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 14:08:59,120 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 14:08:59,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 14:08:59,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 155 conjuncts are in the unsatisfiable core [2024-10-18 14:08:59,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 14:09:06,389 INFO L134 CoverageAnalysis]: Checked inductivity of 22244 backedges. 677 proven. 21561 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 14:09:06,389 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 14:09:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 22244 backedges. 752 proven. 21486 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 14:09:24,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515077590] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 14:09:24,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 14:09:24,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 153, 153] total 315 [2024-10-18 14:09:24,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664881928] [2024-10-18 14:09:24,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 14:09:24,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 316 states [2024-10-18 14:09:24,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 14:09:26,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 316 interpolants. [2024-10-18 14:09:26,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18347, Invalid=81193, Unknown=0, NotChecked=0, Total=99540 [2024-10-18 14:09:26,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:09:26,554 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 14:09:26,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 316 states, 316 states have (on average 3.9936708860759493) internal successors, (1262), 315 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 14:09:26,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 14:09:26,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-10-18 14:09:26,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 14:09:26,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 14:09:26,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-10-18 14:09:26,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 353 states. [2024-10-18 14:09:26,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2024-10-18 14:09:26,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 14:16:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-18 14:16:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-10-18 14:16:25,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 14:16:25,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 14:16:25,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2024-10-18 14:16:25,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2024-10-18 14:16:25,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2024-10-18 14:16:25,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 992 states. [2024-10-18 14:16:25,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-18 14:16:26,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-18 14:16:26,085 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 14:16:26,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 14:16:26,086 INFO L85 PathProgramCache]: Analyzing trace with hash -871179861, now seen corresponding path program 9 times [2024-10-18 14:16:26,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 14:16:26,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272523895] [2024-10-18 14:16:26,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 14:16:26,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 14:16:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Killed by 15