./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c --full-output --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-bad-counter-queue2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee 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/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-bad-counter-queue2.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-13 13:51:08,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 13:51:08,229 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 13:51:08,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 13:51:08,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 13:51:08,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 13:51:08,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 13:51:08,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 13:51:08,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 13:51:08,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 13:51:08,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 13:51:08,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 13:51:08,267 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 13:51:08,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 13:51:08,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 13:51:08,270 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 13:51:08,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 13:51:08,270 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 13:51:08,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 13:51:08,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 13:51:08,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 13:51:08,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 13:51:08,275 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 13:51:08,275 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 13:51:08,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 13:51:08,276 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 13:51:08,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 13:51:08,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 13:51:08,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 13:51:08,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 13:51:08,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 13:51:08,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 13:51:08,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 13:51:08,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 13:51:08,277 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 13:51:08,278 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 13:51:08,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 13:51:08,278 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 13:51:08,280 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 13:51:08,280 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 13:51:08,280 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 13:51:08,280 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 13:51:08,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-13 13:51:08,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 13:51:08,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 13:51:08,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 13:51:08,538 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 13:51:08,539 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 13:51:08,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-bad-counter-queue2.wvr.yml/witness.yml [2024-08-13 13:51:08,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 13:51:08,638 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 13:51:08,639 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2024-08-13 13:51:10,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 13:51:10,297 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 13:51:10,298 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2024-08-13 13:51:10,307 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/26937803a/e9c3be643be94938be6e352652cdbf15/FLAGd3e936536 [2024-08-13 13:51:10,323 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/26937803a/e9c3be643be94938be6e352652cdbf15 [2024-08-13 13:51:10,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 13:51:10,325 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 13:51:10,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 13:51:10,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 13:51:10,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 13:51:10,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 01:51:08" (1/2) ... [2024-08-13 13:51:10,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c08a319 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 01:51:10, skipping insertion in model container [2024-08-13 13:51:10,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 01:51:08" (1/2) ... [2024-08-13 13:51:10,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@308a9463 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 01:51:10, skipping insertion in model container [2024-08-13 13:51:10,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 01:51:10" (2/2) ... [2024-08-13 13:51:10,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c08a319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:51:10, skipping insertion in model container [2024-08-13 13:51:10,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 01:51:10" (2/2) ... [2024-08-13 13:51:10,339 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-13 13:51:10,349 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 13:51:10,352 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 13:51:10,352 INFO L106 edCorrectnessWitness]: ghost_update [L75-L75] multithreaded = 1; [2024-08-13 13:51:10,375 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 13:51:10,616 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-bad-counter-queue2.wvr.c[2297,2310] [2024-08-13 13:51:10,635 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 13:51:10,649 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-08-13 13:51:10,704 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-bad-counter-queue2.wvr.c[2297,2310] [2024-08-13 13:51:10,712 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 13:51:10,732 INFO L206 MainTranslator]: Completed translation [2024-08-13 13:51:10,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:51:10 WrapperNode [2024-08-13 13:51:10,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 13:51:10,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-13 13:51:10,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-13 13:51:10,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-13 13:51:10,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:51:10" (1/1) ... [2024-08-13 13:51:10,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:51:10" (1/1) ... [2024-08-13 13:51:10,781 INFO L138 Inliner]: procedures = 25, calls = 26, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 135 [2024-08-13 13:51:10,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-13 13:51:10,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-13 13:51:10,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-13 13:51:10,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-13 13:51:10,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:51:10" (1/1) ... [2024-08-13 13:51:10,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:51:10" (1/1) ... [2024-08-13 13:51:10,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:51:10" (1/1) ... [2024-08-13 13:51:10,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:51:10" (1/1) ... [2024-08-13 13:51:10,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:51:10" (1/1) ... [2024-08-13 13:51:10,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:51:10" (1/1) ... [2024-08-13 13:51:10,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:51:10" (1/1) ... [2024-08-13 13:51:10,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:51:10" (1/1) ... [2024-08-13 13:51:10,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-13 13:51:10,825 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-13 13:51:10,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-13 13:51:10,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-13 13:51:10,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:51:10" (1/1) ... [2024-08-13 13:51:10,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 13:51:10,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:51:10,857 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) [2024-08-13 13:51:10,861 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 [2024-08-13 13:51:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-13 13:51:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-13 13:51:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-13 13:51:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-13 13:51:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-13 13:51:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-13 13:51:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-13 13:51:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-13 13:51:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-13 13:51:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-13 13:51:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-13 13:51:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-13 13:51:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-13 13:51:10,900 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-13 13:51:11,015 INFO L244 CfgBuilder]: Building ICFG [2024-08-13 13:51:11,018 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-13 13:51:11,243 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-13 13:51:11,244 INFO L293 CfgBuilder]: Performing block encoding [2024-08-13 13:51:11,467 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-13 13:51:11,468 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-08-13 13:51:11,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 01:51:11 BoogieIcfgContainer [2024-08-13 13:51:11,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-13 13:51:11,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-13 13:51:11,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-13 13:51:11,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-13 13:51:11,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 01:51:08" (1/4) ... [2024-08-13 13:51:11,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f283158 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 01:51:11, skipping insertion in model container [2024-08-13 13:51:11,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 01:51:10" (2/4) ... [2024-08-13 13:51:11,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f283158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 01:51:11, skipping insertion in model container [2024-08-13 13:51:11,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:51:10" (3/4) ... [2024-08-13 13:51:11,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f283158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 01:51:11, skipping insertion in model container [2024-08-13 13:51:11,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 01:51:11" (4/4) ... [2024-08-13 13:51:11,477 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2024-08-13 13:51:11,497 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-13 13:51:11,498 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-13 13:51:11,498 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-13 13:51:11,556 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-13 13:51:11,608 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 13:51:11,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-13 13:51:11,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:51:11,614 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) [2024-08-13 13:51:11,616 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 [2024-08-13 13:51:11,652 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-13 13:51:11,668 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-13 13:51:11,673 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=false, 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;@2f7c5287, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 13:51:11,673 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-13 13:51:11,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:51:11,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:51:11,829 INFO L85 PathProgramCache]: Analyzing trace with hash 820661867, now seen corresponding path program 1 times [2024-08-13 13:51:11,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:51:11,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525720600] [2024-08-13 13:51:11,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:51:11,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:51:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:12,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:12,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:51:12,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525720600] [2024-08-13 13:51:12,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525720600] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 13:51:12,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 13:51:12,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-13 13:51:12,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899351167] [2024-08-13 13:51:12,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 13:51:12,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-13 13:51:12,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:51:12,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-13 13:51:12,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-13 13:51:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:12,359 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:51:12,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 13:51:12,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:12,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:12,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-13 13:51:12,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:51:12,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:51:12,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1753152062, now seen corresponding path program 1 times [2024-08-13 13:51:12,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:51:12,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810975011] [2024-08-13 13:51:12,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:51:12,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:51:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:12,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:51:12,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810975011] [2024-08-13 13:51:12,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810975011] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:51:12,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994875003] [2024-08-13 13:51:12,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:51:12,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:12,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:51:12,621 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) [2024-08-13 13:51:12,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-13 13:51:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:12,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-13 13:51:12,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:51:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:12,835 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:51:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:12,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994875003] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-13 13:51:12,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-13 13:51:12,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2024-08-13 13:51:12,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174027402] [2024-08-13 13:51:12,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 13:51:12,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-13 13:51:12,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:51:12,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-13 13:51:12,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-08-13 13:51:12,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:12,898 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:51:12,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-08-13 13:51:12,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:12,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:12,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:13,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-08-13 13:51:13,192 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,SelfDestructingSolverStorable1 [2024-08-13 13:51:13,193 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:51:13,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:51:13,194 INFO L85 PathProgramCache]: Analyzing trace with hash 928655485, now seen corresponding path program 1 times [2024-08-13 13:51:13,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:51:13,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944329696] [2024-08-13 13:51:13,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:51:13,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:51:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:13,401 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:13,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:51:13,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944329696] [2024-08-13 13:51:13,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944329696] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:51:13,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445803061] [2024-08-13 13:51:13,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:51:13,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:13,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:51:13,405 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) [2024-08-13 13:51:13,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-13 13:51:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:13,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-13 13:51:13,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:51:13,643 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:13,644 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:51:13,726 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:13,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445803061] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 13:51:13,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 13:51:13,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-08-13 13:51:13,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660969184] [2024-08-13 13:51:13,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 13:51:13,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-13 13:51:13,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:51:13,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-13 13:51:13,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-08-13 13:51:13,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:13,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:51:13,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 13 states have internal predecessors, (51), 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) [2024-08-13 13:51:13,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:13,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:13,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:13,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:13,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:13,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:13,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-13 13:51:14,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:14,003 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:51:14,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:51:14,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1600270010, now seen corresponding path program 2 times [2024-08-13 13:51:14,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:51:14,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179009213] [2024-08-13 13:51:14,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:51:14,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:51:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:14,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:51:14,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179009213] [2024-08-13 13:51:14,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179009213] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:51:14,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978621265] [2024-08-13 13:51:14,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 13:51:14,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:14,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:51:14,141 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) [2024-08-13 13:51:14,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-13 13:51:14,225 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-13 13:51:14,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 13:51:14,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-13 13:51:14,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:51:14,323 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:14,324 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:51:14,407 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:14,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978621265] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 13:51:14,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 13:51:14,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-08-13 13:51:14,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132970531] [2024-08-13 13:51:14,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 13:51:14,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-13 13:51:14,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:51:14,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-13 13:51:14,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-08-13 13:51:14,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:14,410 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:51:14,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 13:51:14,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:14,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:14,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:14,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:14,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-08-13 13:51:14,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:14,792 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:51:14,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:51:14,793 INFO L85 PathProgramCache]: Analyzing trace with hash -752271103, now seen corresponding path program 3 times [2024-08-13 13:51:14,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:51:14,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215646546] [2024-08-13 13:51:14,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:51:14,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:51:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:14,967 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:14,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:51:14,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215646546] [2024-08-13 13:51:14,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215646546] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:51:14,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459789814] [2024-08-13 13:51:14,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-13 13:51:14,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:14,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:51:14,975 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) [2024-08-13 13:51:14,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-13 13:51:15,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-08-13 13:51:15,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 13:51:15,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-13 13:51:15,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:51:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:15,202 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:51:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:15,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459789814] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 13:51:15,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 13:51:15,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-08-13 13:51:15,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704560584] [2024-08-13 13:51:15,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 13:51:15,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-08-13 13:51:15,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:51:15,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-08-13 13:51:15,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2024-08-13 13:51:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:15,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:51:15,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.473684210526316) internal successors, (66), 18 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 13:51:15,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:15,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:15,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:15,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:15,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:15,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:15,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:15,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:15,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:15,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:15,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-08-13 13:51:15,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:15,611 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:51:15,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:51:15,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1573180440, now seen corresponding path program 4 times [2024-08-13 13:51:15,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:51:15,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426837837] [2024-08-13 13:51:15,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:51:15,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:51:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:15,764 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:15,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:51:15,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426837837] [2024-08-13 13:51:15,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426837837] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:51:15,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972449411] [2024-08-13 13:51:15,765 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-13 13:51:15,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:15,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:51:15,766 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) [2024-08-13 13:51:15,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-13 13:51:15,832 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-13 13:51:15,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 13:51:15,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-13 13:51:15,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:51:15,974 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-13 13:51:15,975 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:51:16,041 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-08-13 13:51:16,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972449411] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 13:51:16,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 13:51:16,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 6] total 18 [2024-08-13 13:51:16,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246399703] [2024-08-13 13:51:16,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 13:51:16,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-08-13 13:51:16,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:51:16,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-08-13 13:51:16,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-08-13 13:51:16,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:16,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:51:16,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 18 states have internal predecessors, (68), 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) [2024-08-13 13:51:16,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:16,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:16,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:16,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:16,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:16,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:51:16,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-08-13 13:51:16,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:16,750 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:51:16,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:51:16,751 INFO L85 PathProgramCache]: Analyzing trace with hash 2090560351, now seen corresponding path program 5 times [2024-08-13 13:51:16,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:51:16,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019126910] [2024-08-13 13:51:16,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:51:16,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:51:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 35 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:17,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:51:17,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019126910] [2024-08-13 13:51:17,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019126910] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:51:17,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357520738] [2024-08-13 13:51:17,183 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-13 13:51:17,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:17,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:51:17,185 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) [2024-08-13 13:51:17,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-13 13:51:17,290 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-08-13 13:51:17,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 13:51:17,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-13 13:51:17,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:51:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-08-13 13:51:17,509 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:51:17,697 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-08-13 13:51:17,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357520738] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 13:51:17,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 13:51:17,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 10] total 33 [2024-08-13 13:51:17,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137938971] [2024-08-13 13:51:17,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 13:51:17,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-08-13 13:51:17,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:51:17,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-08-13 13:51:17,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=921, Unknown=0, NotChecked=0, Total=1122 [2024-08-13 13:51:17,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:17,701 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:51:17,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.235294117647059) internal successors, (110), 33 states have internal predecessors, (110), 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) [2024-08-13 13:51:17,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:17,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:17,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:17,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:17,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:17,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:51:17,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:17,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:17,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:17,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:17,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:17,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:17,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:51:17,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:51:17,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-08-13 13:51:18,074 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,SelfDestructingSolverStorable6 [2024-08-13 13:51:18,075 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:51:18,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:51:18,075 INFO L85 PathProgramCache]: Analyzing trace with hash 989065334, now seen corresponding path program 6 times [2024-08-13 13:51:18,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:51:18,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095521744] [2024-08-13 13:51:18,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:51:18,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:51:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:18,325 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 53 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-08-13 13:51:18,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:51:18,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095521744] [2024-08-13 13:51:18,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095521744] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:51:18,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136712729] [2024-08-13 13:51:18,326 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-13 13:51:18,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:18,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:51:18,328 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) [2024-08-13 13:51:18,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-13 13:51:18,433 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-08-13 13:51:18,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 13:51:18,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-13 13:51:18,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:51:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 63 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-08-13 13:51:18,690 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:51:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 63 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-08-13 13:51:18,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136712729] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 13:51:18,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 13:51:18,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2024-08-13 13:51:18,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616626057] [2024-08-13 13:51:18,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 13:51:18,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-08-13 13:51:18,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:51:18,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-08-13 13:51:18,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=600, Unknown=0, NotChecked=0, Total=812 [2024-08-13 13:51:18,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:18,858 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:51:18,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.1724137931034484) internal successors, (92), 28 states have internal predecessors, (92), 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) [2024-08-13 13:51:18,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:18,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:18,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:18,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:18,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:18,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:51:18,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:51:18,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:18,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:18,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:18,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:18,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:18,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:18,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:51:18,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:51:18,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:51:18,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-08-13 13:51:19,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:19,165 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:51:19,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:51:19,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1202458175, now seen corresponding path program 7 times [2024-08-13 13:51:19,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:51:19,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007147625] [2024-08-13 13:51:19,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:51:19,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:51:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:22,284 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:22,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:51:22,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007147625] [2024-08-13 13:51:22,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007147625] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:51:22,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486124439] [2024-08-13 13:51:22,285 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-13 13:51:22,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:22,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:51:22,288 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) [2024-08-13 13:51:22,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-13 13:51:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:22,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 63 conjunts are in the unsatisfiable core [2024-08-13 13:51:22,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:51:23,220 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-13 13:51:23,221 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:51:24,346 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-13 13:51:24,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 102 treesize of output 255 [2024-08-13 13:51:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-13 13:51:25,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486124439] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 13:51:25,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 13:51:25,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 21, 21] total 67 [2024-08-13 13:51:25,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083167484] [2024-08-13 13:51:25,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 13:51:25,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-08-13 13:51:25,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:51:25,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-08-13 13:51:26,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=402, Invalid=4154, Unknown=0, NotChecked=0, Total=4556 [2024-08-13 13:51:26,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:26,000 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:51:26,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 1.7941176470588236) internal successors, (122), 67 states have internal predecessors, (122), 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) [2024-08-13 13:51:26,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:26,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:26,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:26,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:26,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:26,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:51:26,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:51:26,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:51:26,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:29,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:51:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:51:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:51:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:51:29,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-08-13 13:51:29,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:29,221 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:51:29,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:51:29,222 INFO L85 PathProgramCache]: Analyzing trace with hash 2047234387, now seen corresponding path program 8 times [2024-08-13 13:51:29,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:51:29,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701588065] [2024-08-13 13:51:29,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:51:29,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:51:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:29,966 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 155 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:29,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:51:29,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701588065] [2024-08-13 13:51:29,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701588065] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:51:29,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497210449] [2024-08-13 13:51:29,966 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 13:51:29,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:29,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:51:29,969 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) [2024-08-13 13:51:29,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-08-13 13:51:30,089 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-13 13:51:30,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 13:51:30,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 16 conjunts are in the unsatisfiable core [2024-08-13 13:51:30,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:51:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 194 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-08-13 13:51:30,483 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:51:30,830 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 194 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-08-13 13:51:30,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497210449] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 13:51:30,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 13:51:30,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 14, 14] total 51 [2024-08-13 13:51:30,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736944133] [2024-08-13 13:51:30,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 13:51:30,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-08-13 13:51:30,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:51:30,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-08-13 13:51:30,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=2216, Unknown=0, NotChecked=0, Total=2652 [2024-08-13 13:51:30,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:30,836 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:51:30,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.1538461538461537) internal successors, (164), 51 states have internal predecessors, (164), 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) [2024-08-13 13:51:30,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:30,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:30,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:30,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:30,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:30,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:51:30,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:51:30,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:51:30,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:51:30,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:30,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:30,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:30,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:30,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:30,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:30,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:51:30,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:51:30,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:51:30,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:51:30,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:30,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-08-13 13:51:31,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-08-13 13:51:31,127 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:51:31,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:51:31,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1101326422, now seen corresponding path program 9 times [2024-08-13 13:51:31,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:51:31,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465863411] [2024-08-13 13:51:31,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:51:31,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:51:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:31,860 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 155 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:31,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:51:31,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465863411] [2024-08-13 13:51:31,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465863411] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:51:31,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460138504] [2024-08-13 13:51:31,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-13 13:51:31,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:31,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:51:31,863 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 13:51:31,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-13 13:51:32,034 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-08-13 13:51:32,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 13:51:32,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 20 conjunts are in the unsatisfiable core [2024-08-13 13:51:32,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:51:32,542 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 231 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-13 13:51:32,542 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:51:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 231 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-13 13:51:33,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460138504] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 13:51:33,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 13:51:33,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 18, 18] total 61 [2024-08-13 13:51:33,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266197653] [2024-08-13 13:51:33,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 13:51:33,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-08-13 13:51:33,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:51:33,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-08-13 13:51:33,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=639, Invalid=3143, Unknown=0, NotChecked=0, Total=3782 [2024-08-13 13:51:33,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:33,068 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:51:33,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 3.225806451612903) internal successors, (200), 61 states have internal predecessors, (200), 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) [2024-08-13 13:51:33,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:33,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:33,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:33,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:33,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:33,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:51:33,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:51:33,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:51:33,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:51:33,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:33,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:51:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:51:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:51:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:51:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:51:33,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-08-13 13:51:33,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:33,465 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:51:33,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:51:33,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1278258963, now seen corresponding path program 10 times [2024-08-13 13:51:33,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:51:33,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807054862] [2024-08-13 13:51:33,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:51:33,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:51:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:38,823 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 279 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:38,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:51:38,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807054862] [2024-08-13 13:51:38,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807054862] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:51:38,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099995794] [2024-08-13 13:51:38,824 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-13 13:51:38,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:38,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:51:38,826 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 13:51:38,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-08-13 13:51:38,937 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-13 13:51:38,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 13:51:38,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 141 conjunts are in the unsatisfiable core [2024-08-13 13:51:38,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:51:39,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-08-13 13:51:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 279 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:41,339 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:51:45,147 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-08-13 13:51:45,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099995794] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 13:51:45,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 13:51:45,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 48, 37] total 131 [2024-08-13 13:51:45,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192508495] [2024-08-13 13:51:45,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 13:51:45,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2024-08-13 13:51:45,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:51:45,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2024-08-13 13:51:45,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1207, Invalid=16085, Unknown=0, NotChecked=0, Total=17292 [2024-08-13 13:51:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:45,154 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:51:45,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 1.621212121212121) internal successors, (214), 131 states have internal predecessors, (214), 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) [2024-08-13 13:51:45,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:45,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:45,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:45,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:45,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:45,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:51:45,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:51:45,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:51:45,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:51:45,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:45,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:51:45,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:56,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:51:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:51:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:51:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:51:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:51:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-08-13 13:51:56,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-08-13 13:51:56,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-08-13 13:51:56,512 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:51:56,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:51:56,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1056587461, now seen corresponding path program 11 times [2024-08-13 13:51:56,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:51:56,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024465153] [2024-08-13 13:51:56,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:51:56,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:51:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:51:58,299 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 683 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:51:58,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:51:58,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024465153] [2024-08-13 13:51:58,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024465153] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:51:58,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012198823] [2024-08-13 13:51:58,299 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-13 13:51:58,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:51:58,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:51:58,301 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 13:51:58,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-08-13 13:51:58,478 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-08-13 13:51:58,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 13:51:58,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 24 conjunts are in the unsatisfiable core [2024-08-13 13:51:58,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:51:59,188 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 674 proven. 45 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-08-13 13:51:59,189 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:51:59,862 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 674 proven. 45 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-08-13 13:51:59,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012198823] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 13:51:59,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 13:51:59,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 22, 22] total 87 [2024-08-13 13:51:59,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342503964] [2024-08-13 13:51:59,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 13:51:59,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-08-13 13:51:59,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:51:59,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-08-13 13:51:59,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1230, Invalid=6426, Unknown=0, NotChecked=0, Total=7656 [2024-08-13 13:51:59,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:51:59,867 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:51:59,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 3.090909090909091) internal successors, (272), 87 states have internal predecessors, (272), 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) [2024-08-13 13:51:59,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:51:59,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:59,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:51:59,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:59,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:51:59,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:51:59,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:51:59,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:51:59,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:51:59,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:51:59,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:51:59,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-08-13 13:51:59,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:52:00,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:52:00,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:00,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:52:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:52:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:52:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:52:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:52:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-08-13 13:52:00,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:00,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-08-13 13:52:00,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-08-13 13:52:00,230 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:52:00,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:52:00,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1483351534, now seen corresponding path program 12 times [2024-08-13 13:52:00,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:52:00,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181746267] [2024-08-13 13:52:00,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:52:00,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:52:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:52:01,847 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 683 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:52:01,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:52:01,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181746267] [2024-08-13 13:52:01,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181746267] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:52:01,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880923817] [2024-08-13 13:52:01,848 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-13 13:52:01,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:52:01,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:52:01,849 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 13:52:01,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-08-13 13:52:02,375 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2024-08-13 13:52:02,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 13:52:02,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 26 conjunts are in the unsatisfiable core [2024-08-13 13:52:02,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:52:03,094 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 736 proven. 55 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-08-13 13:52:03,094 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:52:03,854 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 736 proven. 55 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-08-13 13:52:03,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880923817] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 13:52:03,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 13:52:03,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 24, 24] total 92 [2024-08-13 13:52:03,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864494345] [2024-08-13 13:52:03,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 13:52:03,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-08-13 13:52:03,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:52:03,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-08-13 13:52:03,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1338, Invalid=7218, Unknown=0, NotChecked=0, Total=8556 [2024-08-13 13:52:03,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:52:03,859 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:52:03,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 3.118279569892473) internal successors, (290), 92 states have internal predecessors, (290), 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) [2024-08-13 13:52:03,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:52:03,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:03,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:03,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:03,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:52:03,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:52:03,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:52:03,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:52:03,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:52:03,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:03,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:03,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-08-13 13:52:03,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:03,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:52:04,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:52:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:52:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:52:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:52:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:52:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:52:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-08-13 13:52:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 13:52:04,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-08-13 13:52:04,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-08-13 13:52:04,220 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:52:04,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:52:04,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1828135909, now seen corresponding path program 13 times [2024-08-13 13:52:04,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:52:04,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982043564] [2024-08-13 13:52:04,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:52:04,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:52:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:52:05,861 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 683 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:52:05,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:52:05,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982043564] [2024-08-13 13:52:05,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982043564] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:52:05,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12953618] [2024-08-13 13:52:05,862 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-13 13:52:05,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:52:05,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:52:05,863 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 13:52:05,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-08-13 13:52:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:52:06,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 28 conjunts are in the unsatisfiable core [2024-08-13 13:52:06,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:52:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 754 proven. 66 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-08-13 13:52:06,787 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:52:07,604 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 754 proven. 66 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-08-13 13:52:07,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12953618] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 13:52:07,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 13:52:07,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 26, 26] total 97 [2024-08-13 13:52:07,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686160975] [2024-08-13 13:52:07,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 13:52:07,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-08-13 13:52:07,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:52:07,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-08-13 13:52:07,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1505, Invalid=8001, Unknown=0, NotChecked=0, Total=9506 [2024-08-13 13:52:07,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:52:07,608 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:52:07,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 3.0816326530612246) internal successors, (302), 97 states have internal predecessors, (302), 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) [2024-08-13 13:52:07,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:52:07,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:07,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:07,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:07,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:52:07,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:52:07,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:52:07,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:52:07,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:52:07,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:07,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:07,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-08-13 13:52:07,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:07,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 13:52:07,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:52:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:52:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:52:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:52:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:52:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:52:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:52:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-08-13 13:52:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:07,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 13:52:07,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 13:52:07,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-08-13 13:52:07,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:52:07,963 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:52:07,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:52:07,964 INFO L85 PathProgramCache]: Analyzing trace with hash 368450354, now seen corresponding path program 14 times [2024-08-13 13:52:07,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:52:07,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324731708] [2024-08-13 13:52:07,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:52:07,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:52:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:52:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 683 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:52:09,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:52:09,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324731708] [2024-08-13 13:52:09,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324731708] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:52:09,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706715251] [2024-08-13 13:52:09,796 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 13:52:09,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:52:09,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:52:09,798 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 13:52:09,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-08-13 13:52:09,968 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-13 13:52:09,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 13:52:09,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 30 conjunts are in the unsatisfiable core [2024-08-13 13:52:09,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:52:10,820 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 785 proven. 78 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-08-13 13:52:10,820 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:52:11,754 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 785 proven. 78 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-08-13 13:52:11,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706715251] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 13:52:11,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 13:52:11,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 28, 28] total 102 [2024-08-13 13:52:11,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787193532] [2024-08-13 13:52:11,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 13:52:11,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-08-13 13:52:11,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:52:11,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-08-13 13:52:11,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1659, Invalid=8847, Unknown=0, NotChecked=0, Total=10506 [2024-08-13 13:52:11,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:52:11,759 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:52:11,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 3.0776699029126213) internal successors, (317), 102 states have internal predecessors, (317), 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) [2024-08-13 13:52:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:52:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:52:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:52:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:52:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:52:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:52:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-08-13 13:52:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 13:52:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 13:52:11,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:52:11,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:52:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:52:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:52:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:52:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:52:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:52:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:11,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:11,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-08-13 13:52:11,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:11,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 13:52:11,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 13:52:11,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-13 13:52:11,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-08-13 13:52:12,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-08-13 13:52:12,145 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:52:12,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:52:12,145 INFO L85 PathProgramCache]: Analyzing trace with hash -256852229, now seen corresponding path program 15 times [2024-08-13 13:52:12,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:52:12,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375074608] [2024-08-13 13:52:12,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:52:12,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:52:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:52:13,893 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 683 proven. 258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:52:13,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:52:13,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375074608] [2024-08-13 13:52:13,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375074608] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:52:13,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821421424] [2024-08-13 13:52:13,894 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-13 13:52:13,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:52:13,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:52:13,895 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 13:52:13,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-08-13 13:52:14,309 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-08-13 13:52:14,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 13:52:14,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 35 conjunts are in the unsatisfiable core [2024-08-13 13:52:14,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:52:15,360 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 843 proven. 91 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-08-13 13:52:15,360 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:52:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 843 proven. 91 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-08-13 13:52:16,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821421424] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 13:52:16,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 13:52:16,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 33, 33] total 114 [2024-08-13 13:52:16,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763633622] [2024-08-13 13:52:16,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 13:52:16,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-08-13 13:52:16,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 13:52:16,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-08-13 13:52:16,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2184, Invalid=10926, Unknown=0, NotChecked=0, Total=13110 [2024-08-13 13:52:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:52:16,557 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 13:52:16,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 3.1478260869565218) internal successors, (362), 114 states have internal predecessors, (362), 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) [2024-08-13 13:52:16,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:52:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:52:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:52:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:52:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:52:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:52:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-08-13 13:52:16,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:16,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 13:52:16,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 13:52:16,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-13 13:52:16,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 13:52:16,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 13:52:16,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:16,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 13:52:16,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 13:52:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 13:52:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 13:52:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 13:52:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-08-13 13:52:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 13:52:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-08-13 13:52:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 13:52:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 13:52:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 13:52:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-13 13:52:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-13 13:52:16,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-08-13 13:52:16,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-08-13 13:52:16,938 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 13:52:16,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 13:52:16,938 INFO L85 PathProgramCache]: Analyzing trace with hash 858184891, now seen corresponding path program 16 times [2024-08-13 13:52:16,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 13:52:16,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124118817] [2024-08-13 13:52:16,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 13:52:16,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 13:52:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 13:52:32,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 0 proven. 1003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 13:52:32,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 13:52:32,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124118817] [2024-08-13 13:52:32,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124118817] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 13:52:32,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750681251] [2024-08-13 13:52:32,089 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-13 13:52:32,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 13:52:32,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 13:52:32,090 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 13:52:32,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-08-13 13:52:32,282 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-13 13:52:32,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 13:52:32,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 207 conjunts are in the unsatisfiable core [2024-08-13 13:52:32,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 13:52:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 0 proven. 850 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-08-13 13:52:38,686 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 13:53:04,126 WARN L293 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 985 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-08-13 13:53:04,127 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-13 13:53:04,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 561 case distinctions, treesize of input 342 treesize of output 2895 [2024-08-13 14:01:09,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 0 proven. 850 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-08-13 14:01:09,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750681251] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 14:01:09,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 14:01:09,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 69, 69] total 223 [2024-08-13 14:01:09,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549649916] [2024-08-13 14:01:09,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 14:01:09,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 224 states [2024-08-13 14:01:09,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 14:01:09,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 224 interpolants. [2024-08-13 14:01:09,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3296, Invalid=46656, Unknown=0, NotChecked=0, Total=49952 [2024-08-13 14:01:09,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 14:01:09,054 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 14:01:09,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 224 states, 224 states have (on average 1.5625) internal successors, (350), 223 states have internal predecessors, (350), 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) [2024-08-13 14:01:09,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 14:01:09,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:01:09,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:01:09,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:01:09,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 14:01:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 14:01:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 14:01:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 14:01:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-08-13 14:01:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:01:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:01:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-08-13 14:01:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:01:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 14:01:09,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 14:01:09,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-13 14:01:09,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:01:09,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 14:02:09,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 14:02:09,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:09,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:09,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:09,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 14:02:09,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 14:02:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 14:02:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 14:02:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-08-13 14:02:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-08-13 14:02:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 14:02:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 14:02:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-13 14:02:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2024-08-13 14:02:09,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-08-13 14:02:09,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-08-13 14:02:09,434 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 14:02:09,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 14:02:09,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1434661131, now seen corresponding path program 17 times [2024-08-13 14:02:09,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 14:02:09,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238401824] [2024-08-13 14:02:09,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 14:02:09,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 14:02:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 14:02:13,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3387 backedges. 2891 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 14:02:13,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 14:02:13,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238401824] [2024-08-13 14:02:13,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238401824] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 14:02:13,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020349521] [2024-08-13 14:02:13,849 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-13 14:02:13,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 14:02:13,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 14:02:13,851 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 14:02:13,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-08-13 14:02:15,784 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 36 check-sat command(s) [2024-08-13 14:02:15,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 14:02:15,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 40 conjunts are in the unsatisfiable core [2024-08-13 14:02:15,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 14:02:17,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3387 backedges. 2498 proven. 153 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2024-08-13 14:02:17,681 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 14:02:19,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3387 backedges. 2498 proven. 153 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2024-08-13 14:02:19,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020349521] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 14:02:19,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 14:02:19,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 38, 38] total 159 [2024-08-13 14:02:19,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242305999] [2024-08-13 14:02:19,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 14:02:19,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 160 states [2024-08-13 14:02:19,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 14:02:19,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2024-08-13 14:02:19,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4114, Invalid=21326, Unknown=0, NotChecked=0, Total=25440 [2024-08-13 14:02:19,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 14:02:19,807 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 14:02:19,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 160 states, 160 states have (on average 3.05) internal successors, (488), 159 states have internal predecessors, (488), 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) [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-13 14:02:19,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:19,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 191 states. [2024-08-13 14:02:19,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 14:02:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 14:02:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 14:02:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 14:02:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 14:02:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 14:02:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-08-13 14:02:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-08-13 14:02:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 14:02:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 14:02:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-13 14:02:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2024-08-13 14:02:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:20,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-08-13 14:02:20,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 14:02:20,179 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 14:02:20,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 14:02:20,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1706742046, now seen corresponding path program 18 times [2024-08-13 14:02:20,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 14:02:20,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006233525] [2024-08-13 14:02:20,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 14:02:20,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 14:02:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 14:02:24,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 2891 proven. 514 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 14:02:24,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 14:02:24,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006233525] [2024-08-13 14:02:24,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006233525] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 14:02:24,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608455229] [2024-08-13 14:02:24,545 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-13 14:02:24,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 14:02:24,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 14:02:24,546 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 14:02:24,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-08-13 14:02:26,186 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) [2024-08-13 14:02:26,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 14:02:26,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 42 conjunts are in the unsatisfiable core [2024-08-13 14:02:26,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 14:02:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 2589 proven. 171 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2024-08-13 14:02:28,224 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 14:02:30,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 2589 proven. 171 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2024-08-13 14:02:30,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608455229] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 14:02:30,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 14:02:30,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 40, 40] total 164 [2024-08-13 14:02:30,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486938435] [2024-08-13 14:02:30,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 14:02:30,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2024-08-13 14:02:30,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 14:02:30,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2024-08-13 14:02:30,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4334, Invalid=22726, Unknown=0, NotChecked=0, Total=27060 [2024-08-13 14:02:30,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 14:02:30,545 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 14:02:30,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 3.0484848484848484) internal successors, (503), 164 states have internal predecessors, (503), 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) [2024-08-13 14:02:30,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 14:02:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 14:02:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 14:02:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 14:02:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 14:02:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-08-13 14:02:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-08-13 14:02:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 14:02:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 14:02:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-13 14:02:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 191 states. [2024-08-13 14:02:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 14:02:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 14:02:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 14:02:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 14:02:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 14:02:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 14:02:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-08-13 14:02:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-08-13 14:02:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 14:02:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 14:02:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-13 14:02:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2024-08-13 14:02:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-13 14:02:30,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-08-13 14:02:30,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-08-13 14:02:30,930 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 14:02:30,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 14:02:30,930 INFO L85 PathProgramCache]: Analyzing trace with hash -305992725, now seen corresponding path program 19 times [2024-08-13 14:02:30,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 14:02:30,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562658494] [2024-08-13 14:02:30,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 14:02:30,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 14:02:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 14:02:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3424 backedges. 2891 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 14:02:35,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 14:02:35,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562658494] [2024-08-13 14:02:35,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562658494] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 14:02:35,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422059956] [2024-08-13 14:02:35,414 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-13 14:02:35,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 14:02:35,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 14:02:35,416 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 14:02:35,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-08-13 14:02:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 14:02:35,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 44 conjunts are in the unsatisfiable core [2024-08-13 14:02:35,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 14:02:37,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3424 backedges. 2674 proven. 190 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2024-08-13 14:02:37,802 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 14:02:40,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3424 backedges. 2674 proven. 190 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2024-08-13 14:02:40,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422059956] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 14:02:40,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 14:02:40,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 42, 42] total 169 [2024-08-13 14:02:40,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019805914] [2024-08-13 14:02:40,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 14:02:40,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2024-08-13 14:02:40,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 14:02:40,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2024-08-13 14:02:40,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4565, Invalid=24165, Unknown=0, NotChecked=0, Total=28730 [2024-08-13 14:02:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 14:02:40,243 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 14:02:40,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 3.0470588235294116) internal successors, (518), 169 states have internal predecessors, (518), 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) [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-13 14:02:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 191 states. [2024-08-13 14:02:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-08-13 14:02:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 14:02:40,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 14:02:40,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:40,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:40,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:40,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 14:02:40,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 14:02:40,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 14:02:40,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 14:02:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-08-13 14:02:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-08-13 14:02:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 14:02:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 14:02:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-13 14:02:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2024-08-13 14:02:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-13 14:02:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-13 14:02:40,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-08-13 14:02:40,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 14:02:40,648 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 14:02:40,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 14:02:40,649 INFO L85 PathProgramCache]: Analyzing trace with hash 167563266, now seen corresponding path program 20 times [2024-08-13 14:02:40,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 14:02:40,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813839209] [2024-08-13 14:02:40,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 14:02:40,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 14:02:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 14:02:45,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 2891 proven. 553 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 14:02:45,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 14:02:45,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813839209] [2024-08-13 14:02:45,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813839209] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 14:02:45,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716835946] [2024-08-13 14:02:45,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 14:02:45,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 14:02:45,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 14:02:45,189 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 14:02:45,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-08-13 14:02:45,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-13 14:02:45,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 14:02:45,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 46 conjunts are in the unsatisfiable core [2024-08-13 14:02:45,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 14:02:47,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 2753 proven. 210 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-08-13 14:02:47,737 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 14:02:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 2753 proven. 210 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-08-13 14:02:50,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716835946] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 14:02:50,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 14:02:50,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 44, 44] total 174 [2024-08-13 14:02:50,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704402145] [2024-08-13 14:02:50,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 14:02:50,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 175 states [2024-08-13 14:02:50,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 14:02:50,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2024-08-13 14:02:50,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4807, Invalid=25643, Unknown=0, NotChecked=0, Total=30450 [2024-08-13 14:02:50,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 14:02:50,375 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 14:02:50,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 175 states, 175 states have (on average 3.045714285714286) internal successors, (533), 174 states have internal predecessors, (533), 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) [2024-08-13 14:02:50,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 14:02:50,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:50,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:50,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:50,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 14:02:50,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 14:02:50,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 14:02:50,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 14:02:50,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-08-13 14:02:50,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-08-13 14:02:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 14:02:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 14:02:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-13 14:02:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 191 states. [2024-08-13 14:02:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-08-13 14:02:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-13 14:02:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 14:02:50,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 14:02:50,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:50,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:02:50,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:50,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 14:02:50,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 14:02:50,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 14:02:50,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 14:02:50,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-08-13 14:02:50,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:02:50,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:50,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-08-13 14:02:50,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:02:50,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 14:02:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 14:02:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-13 14:02:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2024-08-13 14:02:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:02:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-13 14:02:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-13 14:02:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-13 14:02:50,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-08-13 14:02:50,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-08-13 14:02:50,852 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 14:02:50,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 14:02:50,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1962897099, now seen corresponding path program 21 times [2024-08-13 14:02:50,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 14:02:50,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857795008] [2024-08-13 14:02:50,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 14:02:50,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 14:02:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 14:02:55,468 INFO L134 CoverageAnalysis]: Checked inductivity of 3465 backedges. 2891 proven. 574 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 14:02:55,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 14:02:55,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857795008] [2024-08-13 14:02:55,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857795008] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 14:02:55,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173046006] [2024-08-13 14:02:55,469 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-13 14:02:55,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 14:02:55,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 14:02:55,470 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 14:02:55,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-08-13 14:02:58,047 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2024-08-13 14:02:58,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 14:02:58,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 59 conjunts are in the unsatisfiable core [2024-08-13 14:02:58,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 14:03:01,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3465 backedges. 3231 proven. 231 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-13 14:03:01,279 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 14:03:05,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3465 backedges. 3231 proven. 231 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-13 14:03:05,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173046006] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 14:03:05,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 14:03:05,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [91, 57, 57] total 202 [2024-08-13 14:03:05,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29526723] [2024-08-13 14:03:05,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 14:03:05,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 203 states [2024-08-13 14:03:05,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 14:03:05,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2024-08-13 14:03:05,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6933, Invalid=34073, Unknown=0, NotChecked=0, Total=41006 [2024-08-13 14:03:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 14:03:05,102 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 14:03:05,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 203 states, 203 states have (on average 3.334975369458128) internal successors, (677), 202 states have internal predecessors, (677), 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) [2024-08-13 14:03:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 14:03:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:03:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:03:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:03:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 14:03:05,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 14:03:05,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-13 14:03:05,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 14:03:05,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-08-13 14:03:05,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:03:05,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:03:05,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-08-13 14:03:05,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:03:05,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 14:03:05,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 14:03:05,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-13 14:03:05,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:03:05,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 191 states. [2024-08-13 14:03:05,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:03:05,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-08-13 14:03:05,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-13 14:03:05,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-13 14:03:05,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 14:03:05,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2024-08-13 14:03:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-13 14:03:05,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-13 14:03:05,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-13 14:03:05,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-13 14:03:05,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-13 14:03:05,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-08-13 14:03:05,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-08-13 14:03:05,548 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 14:03:05,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 14:03:05,549 INFO L85 PathProgramCache]: Analyzing trace with hash 574023691, now seen corresponding path program 22 times [2024-08-13 14:03:05,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 14:03:05,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115306827] [2024-08-13 14:03:05,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 14:03:05,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 14:03:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 14:03:54,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3795 backedges. 0 proven. 3795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 14:03:54,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 14:03:54,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115306827] [2024-08-13 14:03:54,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115306827] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 14:03:54,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819761364] [2024-08-13 14:03:54,404 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-13 14:03:54,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 14:03:54,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 14:03:54,405 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 14:03:54,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-08-13 14:03:54,706 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-13 14:03:54,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 14:03:54,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 399 conjunts are in the unsatisfiable core [2024-08-13 14:03:54,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 14:04:17,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3795 backedges. 0 proven. 3234 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-08-13 14:04:17,896 INFO L327 TraceCheckSpWp]: Computing backward predicates... Killed by 15