./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 --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca 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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2520d7c-m [2024-07-17 09:57:57,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-17 09:57:57,444 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-17 09:57:57,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-17 09:57:57,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-17 09:57:57,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-17 09:57:57,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-17 09:57:57,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-17 09:57:57,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-17 09:57:57,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-17 09:57:57,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-17 09:57:57,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-17 09:57:57,481 INFO L153 SettingsManager]: * Use SBE=true [2024-07-17 09:57:57,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-17 09:57:57,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-17 09:57:57,482 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-17 09:57:57,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-17 09:57:57,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-17 09:57:57,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-17 09:57:57,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-17 09:57:57,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-17 09:57:57,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-17 09:57:57,487 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-17 09:57:57,488 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-17 09:57:57,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-17 09:57:57,491 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-17 09:57:57,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-17 09:57:57,492 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-17 09:57:57,493 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-17 09:57:57,493 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-17 09:57:57,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 09:57:57,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-17 09:57:57,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-17 09:57:57,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-17 09:57:57,494 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-17 09:57:57,494 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-17 09:57:57,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-17 09:57:57,495 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-17 09:57:57,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-17 09:57:57,495 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-17 09:57:57,495 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-17 09:57:57,495 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-17 09:57:57,495 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 [2024-07-17 09:57:57,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-17 09:57:57,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-17 09:57:57,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-17 09:57:57,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-17 09:57:57,681 INFO L274 PluginConnector]: CDTParser initialized [2024-07-17 09:57:57,682 INFO L431 ainManager$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 [2024-07-17 09:57:58,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-17 09:57:58,740 INFO L384 CDTParser]: Found 1 translation units. [2024-07-17 09:57:58,741 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-07-17 09:57:58,752 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/82f0753e8/c77d3377b2e243528b769962abf68d30/FLAG8bd46231b [2024-07-17 09:57:58,766 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/82f0753e8/c77d3377b2e243528b769962abf68d30 [2024-07-17 09:57:58,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-17 09:57:58,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-17 09:57:58,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-17 09:57:58,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-17 09:57:58,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-17 09:57:58,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:57:58" (1/1) ... [2024-07-17 09:57:58,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a22d0ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:57:58, skipping insertion in model container [2024-07-17 09:57:58,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:57:58" (1/1) ... [2024-07-17 09:57:58,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-17 09:57:58,948 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] [2024-07-17 09:57:58,952 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 09:57:58,958 INFO L202 MainTranslator]: Completed pre-run [2024-07-17 09:57:58,984 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] [2024-07-17 09:57:58,992 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 09:57:59,009 INFO L206 MainTranslator]: Completed translation [2024-07-17 09:57:59,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:57:59 WrapperNode [2024-07-17 09:57:59,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-17 09:57:59,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-17 09:57:59,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-17 09:57:59,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-17 09:57:59,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:57:59" (1/1) ... [2024-07-17 09:57:59,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:57:59" (1/1) ... [2024-07-17 09:57:59,040 INFO L138 Inliner]: procedures = 21, calls = 22, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 114 [2024-07-17 09:57:59,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-17 09:57:59,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-17 09:57:59,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-17 09:57:59,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-17 09:57:59,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:57:59" (1/1) ... [2024-07-17 09:57:59,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:57:59" (1/1) ... [2024-07-17 09:57:59,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:57:59" (1/1) ... [2024-07-17 09:57:59,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:57:59" (1/1) ... [2024-07-17 09:57:59,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:57:59" (1/1) ... [2024-07-17 09:57:59,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:57:59" (1/1) ... [2024-07-17 09:57:59,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:57:59" (1/1) ... [2024-07-17 09:57:59,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:57:59" (1/1) ... [2024-07-17 09:57:59,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-17 09:57:59,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-17 09:57:59,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-17 09:57:59,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-17 09:57:59,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:57:59" (1/1) ... [2024-07-17 09:57:59,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 09:57:59,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 09:57:59,105 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) [2024-07-17 09:57:59,107 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 [2024-07-17 09:57:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-17 09:57:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-17 09:57:59,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-17 09:57:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-17 09:57:59,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-17 09:57:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-07-17 09:57:59,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-07-17 09:57:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-07-17 09:57:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-07-17 09:57:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-17 09:57:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-17 09:57:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-17 09:57:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-17 09:57:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-17 09:57:59,138 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-17 09:57:59,203 INFO L244 CfgBuilder]: Building ICFG [2024-07-17 09:57:59,205 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-17 09:57:59,378 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-17 09:57:59,378 INFO L293 CfgBuilder]: Performing block encoding [2024-07-17 09:57:59,488 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-17 09:57:59,488 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-07-17 09:57:59,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:57:59 BoogieIcfgContainer [2024-07-17 09:57:59,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-17 09:57:59,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-17 09:57:59,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-17 09:57:59,494 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-17 09:57:59,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:57:58" (1/3) ... [2024-07-17 09:57:59,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd6c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:57:59, skipping insertion in model container [2024-07-17 09:57:59,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:57:59" (2/3) ... [2024-07-17 09:57:59,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd6c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:57:59, skipping insertion in model container [2024-07-17 09:57:59,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:57:59" (3/3) ... [2024-07-17 09:57:59,495 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-07-17 09:57:59,503 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-07-17 09:57:59,509 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-17 09:57:59,510 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-17 09:57:59,510 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-17 09:57:59,545 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-07-17 09:57:59,580 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 09:57:59,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 09:57:59,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 09:57:59,581 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) [2024-07-17 09:57:59,582 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 [2024-07-17 09:57:59,626 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 09:57:59,637 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-17 09:57:59,643 INFO L357 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, mHoare=true, 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;@12513aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 09:57:59,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-07-17 09:57:59,868 INFO L420 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)] === [2024-07-17 09:57:59,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 09:57:59,872 INFO L85 PathProgramCache]: Analyzing trace with hash -604330587, now seen corresponding path program 1 times [2024-07-17 09:57:59,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 09:57:59,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649540393] [2024-07-17 09:57:59,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 09:57:59,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 09:58:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 09:58:00,454 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 09:58:00,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 09:58:00,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649540393] [2024-07-17 09:58:00,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649540393] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 09:58:00,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533639964] [2024-07-17 09:58:00,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 09:58:00,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 09:58:00,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 09:58:00,489 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) [2024-07-17 09:58:00,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-17 09:58:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 09:58:00,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2024-07-17 09:58:00,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 09:58:00,819 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-07-17 09:58:00,820 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-17 09:58:00,966 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-07-17 09:58:00,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533639964] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-17 09:58:00,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-17 09:58:00,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 18 [2024-07-17 09:58:00,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024719255] [2024-07-17 09:58:00,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-17 09:58:00,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-07-17 09:58:00,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 09:58:00,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-07-17 09:58:00,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-07-17 09:58:00,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 09:58:00,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 09:58:00,999 INFO L496 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) [2024-07-17 09:58:00,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 09:58:01,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-17 09:58:01,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-07-17 09:58:01,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-07-17 09:58:01,933 INFO L420 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)] === [2024-07-17 09:58:01,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 09:58:01,934 INFO L85 PathProgramCache]: Analyzing trace with hash -791974385, now seen corresponding path program 2 times [2024-07-17 09:58:01,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 09:58:01,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321736635] [2024-07-17 09:58:01,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 09:58:01,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 09:58:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 09:58:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 85 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-07-17 09:58:02,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 09:58:02,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321736635] [2024-07-17 09:58:02,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321736635] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 09:58:02,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465546980] [2024-07-17 09:58:02,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-17 09:58:02,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 09:58:02,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 09:58:02,182 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) [2024-07-17 09:58:02,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-07-17 09:58:02,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-17 09:58:02,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-17 09:58:02,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 13 conjunts are in the unsatisfiable core [2024-07-17 09:58:02,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 09:58:02,523 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 59 proven. 60 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-07-17 09:58:02,524 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-17 09:58:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 59 proven. 60 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-07-17 09:58:02,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465546980] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-17 09:58:02,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-17 09:58:02,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 11] total 26 [2024-07-17 09:58:02,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112481260] [2024-07-17 09:58:02,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-17 09:58:02,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-07-17 09:58:02,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 09:58:02,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-07-17 09:58:02,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2024-07-17 09:58:02,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 09:58:02,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 09:58:02,814 INFO L496 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) [2024-07-17 09:58:02,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-17 09:58:02,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 09:58:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-17 09:58:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-07-17 09:58:04,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-07-17 09:58:04,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 09:58:04,856 INFO L420 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)] === [2024-07-17 09:58:04,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 09:58:04,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1267116445, now seen corresponding path program 3 times [2024-07-17 09:58:04,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 09:58:04,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602430353] [2024-07-17 09:58:04,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 09:58:04,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 09:58:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 09:58:05,735 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 241 proven. 171 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-07-17 09:58:05,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 09:58:05,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602430353] [2024-07-17 09:58:05,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602430353] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 09:58:05,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336580224] [2024-07-17 09:58:05,738 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-17 09:58:05,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 09:58:05,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 09:58:05,740 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) [2024-07-17 09:58:05,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-17 09:58:05,864 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-07-17 09:58:05,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-17 09:58:05,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 32 conjunts are in the unsatisfiable core [2024-07-17 09:58:05,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 09:58:06,581 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 89 proven. 742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 09:58:06,581 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-17 09:58:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 358 proven. 473 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 09:58:07,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336580224] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-17 09:58:07,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-17 09:58:07,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 30, 30] total 63 [2024-07-17 09:58:07,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521701733] [2024-07-17 09:58:07,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-17 09:58:07,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-07-17 09:58:07,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 09:58:07,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-07-17 09:58:07,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1046, Invalid=2986, Unknown=0, NotChecked=0, Total=4032 [2024-07-17 09:58:07,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 09:58:07,579 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 09:58:07,580 INFO L496 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) [2024-07-17 09:58:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-17 09:58:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-07-17 09:58:07,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 09:58:12,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-17 09:58:12,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-07-17 09:58:12,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-07-17 09:58:12,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-07-17 09:58:12,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 09:58:12,948 INFO L420 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)] === [2024-07-17 09:58:12,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 09:58:12,949 INFO L85 PathProgramCache]: Analyzing trace with hash 760638567, now seen corresponding path program 4 times [2024-07-17 09:58:12,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 09:58:12,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836256825] [2024-07-17 09:58:12,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 09:58:12,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 09:58:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 09:58:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3831 backedges. 191 proven. 886 refuted. 0 times theorem prover too weak. 2754 trivial. 0 not checked. [2024-07-17 09:58:15,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 09:58:15,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836256825] [2024-07-17 09:58:15,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836256825] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 09:58:15,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086684561] [2024-07-17 09:58:15,510 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-17 09:58:15,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 09:58:15,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 09:58:15,511 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) [2024-07-17 09:58:15,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-07-17 09:58:15,683 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-17 09:58:15,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-17 09:58:15,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 124 conjunts are in the unsatisfiable core [2024-07-17 09:58:15,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 09:58:15,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3831 backedges. 191 proven. 830 refuted. 0 times theorem prover too weak. 2810 trivial. 0 not checked. [2024-07-17 09:58:15,964 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-17 09:58:16,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3831 backedges. 191 proven. 830 refuted. 0 times theorem prover too weak. 2810 trivial. 0 not checked. [2024-07-17 09:58:16,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086684561] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-17 09:58:16,486 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-17 09:58:16,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2024-07-17 09:58:16,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165357672] [2024-07-17 09:58:16,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-17 09:58:16,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-17 09:58:16,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 09:58:16,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-17 09:58:16,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-07-17 09:58:16,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 09:58:16,488 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 09:58:16,488 INFO L496 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) [2024-07-17 09:58:16,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-17 09:58:16,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-07-17 09:58:16,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-07-17 09:58:16,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 09:58:16,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-17 09:58:16,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-07-17 09:58:16,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-07-17 09:58:16,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 09:58:16,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-07-17 09:58:16,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 09:58:16,768 INFO L420 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)] === [2024-07-17 09:58:16,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 09:58:16,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1783968291, now seen corresponding path program 5 times [2024-07-17 09:58:16,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 09:58:16,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919933046] [2024-07-17 09:58:16,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 09:58:16,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 09:58:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 09:58:18,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3703 backedges. 443 proven. 1025 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2024-07-17 09:58:18,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 09:58:18,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919933046] [2024-07-17 09:58:18,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919933046] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 09:58:18,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614746482] [2024-07-17 09:58:18,619 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-17 09:58:18,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 09:58:18,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 09:58:18,620 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) [2024-07-17 09:58:18,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-07-17 09:58:18,800 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2024-07-17 09:58:18,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-17 09:58:18,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 68 conjunts are in the unsatisfiable core [2024-07-17 09:58:18,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 09:58:21,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3703 backedges. 197 proven. 3504 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-17 09:58:21,080 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-17 09:58:24,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3703 backedges. 325 proven. 3376 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-17 09:58:24,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614746482] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-17 09:58:24,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-17 09:58:24,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 66, 66] total 144 [2024-07-17 09:58:24,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591161326] [2024-07-17 09:58:24,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-17 09:58:24,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-07-17 09:58:24,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 09:58:24,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-07-17 09:58:24,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4675, Invalid=16205, Unknown=0, NotChecked=0, Total=20880 [2024-07-17 09:58:24,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 09:58:24,474 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 09:58:24,475 INFO L496 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) [2024-07-17 09:58:24,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-17 09:58:24,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-07-17 09:58:24,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-07-17 09:58:24,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 09:58:24,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 09:59:06,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-17 09:59:06,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-07-17 09:59:06,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-07-17 09:59:06,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 09:59:06,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 341 states. [2024-07-17 09:59:06,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-07-17 09:59:06,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 09:59:06,898 INFO L420 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)] === [2024-07-17 09:59:06,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 09:59:06,898 INFO L85 PathProgramCache]: Analyzing trace with hash 771338649, now seen corresponding path program 6 times [2024-07-17 09:59:06,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 09:59:06,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457444755] [2024-07-17 09:59:06,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 09:59:06,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 09:59:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 09:59:10,262 INFO L134 CoverageAnalysis]: Checked inductivity of 12681 backedges. 173 proven. 499 refuted. 0 times theorem prover too weak. 12009 trivial. 0 not checked. [2024-07-17 09:59:10,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 09:59:10,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457444755] [2024-07-17 09:59:10,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457444755] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 09:59:10,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041279398] [2024-07-17 09:59:10,264 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-17 09:59:10,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 09:59:10,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 09:59:10,265 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) [2024-07-17 09:59:10,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-07-17 09:59:10,622 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 55 check-sat command(s) [2024-07-17 09:59:10,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-17 09:59:10,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 119 conjunts are in the unsatisfiable core [2024-07-17 09:59:10,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 09:59:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12681 backedges. 173 proven. 12508 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 09:59:14,879 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-17 09:59:20,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12681 backedges. 230 proven. 12451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 09:59:20,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041279398] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-17 09:59:20,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-17 09:59:20,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 117, 117] total 237 [2024-07-17 09:59:20,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029444274] [2024-07-17 09:59:20,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-17 09:59:20,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 238 states [2024-07-17 09:59:20,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 09:59:20,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 238 interpolants. [2024-07-17 09:59:20,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11373, Invalid=45033, Unknown=0, NotChecked=0, Total=56406 [2024-07-17 09:59:20,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 09:59:20,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 09:59:20,172 INFO L496 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) [2024-07-17 09:59:20,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-17 09:59:20,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-07-17 09:59:20,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-07-17 09:59:20,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 09:59:20,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 341 states. [2024-07-17 09:59:20,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 10:00:25,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-17 10:00:25,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-07-17 10:00:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-07-17 10:00:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 10:00:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-07-17 10:00:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2024-07-17 10:00:25,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-07-17 10:00:25,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-07-17 10:00:25,797 INFO L420 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)] === [2024-07-17 10:00:25,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 10:00:25,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1765436419, now seen corresponding path program 7 times [2024-07-17 10:00:25,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 10:00:25,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780796623] [2024-07-17 10:00:25,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 10:00:25,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 10:00:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 10:00:30,148 INFO L134 CoverageAnalysis]: Checked inductivity of 16801 backedges. 133 proven. 512 refuted. 0 times theorem prover too weak. 16156 trivial. 0 not checked. [2024-07-17 10:00:30,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 10:00:30,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780796623] [2024-07-17 10:00:30,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780796623] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 10:00:30,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356217925] [2024-07-17 10:00:30,149 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-17 10:00:30,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 10:00:30,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 10:00:30,151 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) [2024-07-17 10:00:30,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-07-17 10:00:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 10:00:30,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 1592 conjuncts, 137 conjunts are in the unsatisfiable core [2024-07-17 10:00:30,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 10:00:35,750 INFO L134 CoverageAnalysis]: Checked inductivity of 16801 backedges. 133 proven. 16668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 10:00:35,750 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-17 10:00:42,540 INFO L134 CoverageAnalysis]: Checked inductivity of 16801 backedges. 133 proven. 16668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 10:00:42,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356217925] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-17 10:00:42,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-17 10:00:42,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 135, 135] total 273 [2024-07-17 10:00:42,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26315215] [2024-07-17 10:00:42,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-17 10:00:42,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 274 states [2024-07-17 10:00:42,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 10:00:42,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 274 interpolants. [2024-07-17 10:00:42,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14683, Invalid=60119, Unknown=0, NotChecked=0, Total=74802 [2024-07-17 10:00:42,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 10:00:42,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 10:00:42,556 INFO L496 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) [2024-07-17 10:00:42,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-17 10:00:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-07-17 10:00:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-07-17 10:00:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 10:00:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-07-17 10:00:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 353 states. [2024-07-17 10:00:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 10:02:20,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-17 10:02:20,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-07-17 10:02:20,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-07-17 10:02:20,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 10:02:20,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-07-17 10:02:20,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2024-07-17 10:02:20,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2024-07-17 10:02:20,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-07-17 10:02:20,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 10:02:20,632 INFO L420 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)] === [2024-07-17 10:02:20,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 10:02:20,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1004413781, now seen corresponding path program 8 times [2024-07-17 10:02:20,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 10:02:20,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373543278] [2024-07-17 10:02:20,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 10:02:20,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 10:02:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 10:02:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 22244 backedges. 231 proven. 1109 refuted. 0 times theorem prover too weak. 20904 trivial. 0 not checked. [2024-07-17 10:02:31,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 10:02:31,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373543278] [2024-07-17 10:02:31,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373543278] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 10:02:31,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184254946] [2024-07-17 10:02:31,209 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-17 10:02:31,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 10:02:31,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 10:02:31,210 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) [2024-07-17 10:02:31,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-07-17 10:02:31,518 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-17 10:02:31,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-17 10:02:31,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 155 conjunts are in the unsatisfiable core [2024-07-17 10:02:31,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 10:02:38,392 INFO L134 CoverageAnalysis]: Checked inductivity of 22244 backedges. 677 proven. 21561 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-07-17 10:02:38,392 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-17 10:02:55,594 INFO L134 CoverageAnalysis]: Checked inductivity of 22244 backedges. 752 proven. 21486 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-07-17 10:02:55,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184254946] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-17 10:02:55,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-17 10:02:55,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 153, 153] total 315 [2024-07-17 10:02:55,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671924168] [2024-07-17 10:02:55,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-17 10:02:55,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 316 states [2024-07-17 10:02:55,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 10:02:55,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 316 interpolants. [2024-07-17 10:02:55,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18347, Invalid=81193, Unknown=0, NotChecked=0, Total=99540 [2024-07-17 10:02:55,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 10:02:55,612 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 10:02:55,612 INFO L496 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) [2024-07-17 10:02:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-17 10:02:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-07-17 10:02:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-07-17 10:02:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 10:02:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-07-17 10:02:55,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 353 states. [2024-07-17 10:02:55,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2024-07-17 10:02:55,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 10:09:58,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-07-17 10:09:58,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-07-17 10:09:58,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-07-17 10:09:58,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 10:09:58,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2024-07-17 10:09:58,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2024-07-17 10:09:58,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2024-07-17 10:09:58,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 992 states. [2024-07-17 10:09:59,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-07-17 10:09:59,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 10:09:59,197 INFO L420 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)] === [2024-07-17 10:09:59,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 10:09:59,198 INFO L85 PathProgramCache]: Analyzing trace with hash -871179861, now seen corresponding path program 9 times [2024-07-17 10:09:59,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 10:09:59,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904137728] [2024-07-17 10:09:59,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 10:09:59,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 10:10:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 10:11:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 93345 backedges. 466 proven. 2278 refuted. 0 times theorem prover too weak. 90601 trivial. 0 not checked. [2024-07-17 10:11:05,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 10:11:05,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904137728] [2024-07-17 10:11:05,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904137728] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 10:11:05,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627053877] [2024-07-17 10:11:05,452 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-17 10:11:05,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 10:11:05,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 10:11:05,453 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-17 10:11:05,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-07-17 10:11:09,225 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 153 check-sat command(s) [2024-07-17 10:11:09,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-17 10:11:09,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 3531 conjuncts, 306 conjunts are in the unsatisfiable core [2024-07-17 10:11:09,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 10:11:30,268 INFO L134 CoverageAnalysis]: Checked inductivity of 93345 backedges. 2719 proven. 90601 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-07-17 10:11:30,268 INFO L327 TraceCheckSpWp]: Computing backward predicates... Killed by 15