./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dfe144c0 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-dfe144c-m [2024-07-20 19:15:46,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-20 19:15:46,764 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-20 19:15:46,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-20 19:15:46,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-20 19:15:46,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-20 19:15:46,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-20 19:15:46,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-20 19:15:46,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-20 19:15:46,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-20 19:15:46,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-20 19:15:46,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-20 19:15:46,813 INFO L153 SettingsManager]: * Use SBE=true [2024-07-20 19:15:46,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-20 19:15:46,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-20 19:15:46,814 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-20 19:15:46,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-20 19:15:46,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-20 19:15:46,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-20 19:15:46,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-20 19:15:46,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-20 19:15:46,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-20 19:15:46,816 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-20 19:15:46,817 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-20 19:15:46,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-20 19:15:46,817 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-20 19:15:46,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-20 19:15:46,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-20 19:15:46,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-20 19:15:46,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-20 19:15:46,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-20 19:15:46,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-20 19:15:46,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-20 19:15:46,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-20 19:15:46,820 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-20 19:15:46,821 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-20 19:15:46,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-20 19:15:46,821 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-20 19:15:46,821 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-20 19:15:46,822 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-20 19:15:46,822 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-20 19:15:46,822 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-20 19:15:46,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 [2024-07-20 19:15:47,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-20 19:15:47,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-20 19:15:47,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-20 19:15:47,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-20 19:15:47,140 INFO L274 PluginConnector]: CDTParser initialized [2024-07-20 19:15:47,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-07-20 19:15:48,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-20 19:15:48,533 INFO L384 CDTParser]: Found 1 translation units. [2024-07-20 19:15:48,534 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-07-20 19:15:48,545 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8b0ecfc72/2c70b48a48424890b1d5556a3ee92ad3/FLAGa3d848653 [2024-07-20 19:15:48,556 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8b0ecfc72/2c70b48a48424890b1d5556a3ee92ad3 [2024-07-20 19:15:48,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-20 19:15:48,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-20 19:15:48,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-20 19:15:48,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-20 19:15:48,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-20 19:15:48,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 07:15:48" (1/1) ... [2024-07-20 19:15:48,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26eee1d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:15:48, skipping insertion in model container [2024-07-20 19:15:48,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 07:15:48" (1/1) ... [2024-07-20 19:15:48,599 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-20 19:15:48,824 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-buffer-mult-alt2.wvr.c[4226,4239] [2024-07-20 19:15:48,838 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-20 19:15:48,846 INFO L202 MainTranslator]: Completed pre-run [2024-07-20 19:15:48,876 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-buffer-mult-alt2.wvr.c[4226,4239] [2024-07-20 19:15:48,884 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-20 19:15:48,901 INFO L206 MainTranslator]: Completed translation [2024-07-20 19:15:48,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:15:48 WrapperNode [2024-07-20 19:15:48,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-20 19:15:48,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-20 19:15:48,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-20 19:15:48,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-20 19:15:48,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:15:48" (1/1) ... [2024-07-20 19:15:48,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:15:48" (1/1) ... [2024-07-20 19:15:48,957 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 307 [2024-07-20 19:15:48,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-20 19:15:48,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-20 19:15:48,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-20 19:15:48,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-20 19:15:48,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:15:48" (1/1) ... [2024-07-20 19:15:48,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:15:48" (1/1) ... [2024-07-20 19:15:48,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:15:48" (1/1) ... [2024-07-20 19:15:48,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:15:48" (1/1) ... [2024-07-20 19:15:48,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:15:48" (1/1) ... [2024-07-20 19:15:48,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:15:48" (1/1) ... [2024-07-20 19:15:48,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:15:48" (1/1) ... [2024-07-20 19:15:48,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:15:48" (1/1) ... [2024-07-20 19:15:49,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-20 19:15:49,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-20 19:15:49,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-20 19:15:49,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-20 19:15:49,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:15:48" (1/1) ... [2024-07-20 19:15:49,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-20 19:15:49,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:15:49,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-20 19:15:49,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-20 19:15:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-20 19:15:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-20 19:15:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-20 19:15:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-20 19:15:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-20 19:15:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-07-20 19:15:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-07-20 19:15:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-07-20 19:15:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-07-20 19:15:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-20 19:15:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-07-20 19:15:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-20 19:15:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-20 19:15:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-07-20 19:15:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-20 19:15:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-20 19:15:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-07-20 19:15:49,106 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-20 19:15:49,243 INFO L244 CfgBuilder]: Building ICFG [2024-07-20 19:15:49,245 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-20 19:15:49,687 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-20 19:15:49,688 INFO L293 CfgBuilder]: Performing block encoding [2024-07-20 19:15:50,102 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-20 19:15:50,103 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-07-20 19:15:50,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 07:15:50 BoogieIcfgContainer [2024-07-20 19:15:50,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-20 19:15:50,107 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-20 19:15:50,108 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-20 19:15:50,111 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-20 19:15:50,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 07:15:48" (1/3) ... [2024-07-20 19:15:50,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef473a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 07:15:50, skipping insertion in model container [2024-07-20 19:15:50,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:15:48" (2/3) ... [2024-07-20 19:15:50,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef473a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 07:15:50, skipping insertion in model container [2024-07-20 19:15:50,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 07:15:50" (3/3) ... [2024-07-20 19:15:50,115 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2024-07-20 19:15:50,122 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-07-20 19:15:50,131 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-20 19:15:50,132 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-20 19:15:50,132 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-20 19:15:50,199 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-07-20 19:15:50,246 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-20 19:15:50,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-20 19:15:50,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:15:50,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-20 19:15:50,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-20 19:15:50,295 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-20 19:15:50,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-20 19:15:50,316 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1010dfda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-20 19:15:50,316 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-07-20 19:15:50,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:15:50,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:15:50,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1997991004, now seen corresponding path program 1 times [2024-07-20 19:15:50,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:15:50,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101957219] [2024-07-20 19:15:50,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:15:50,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:15:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:15:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-07-20 19:15:51,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:15:51,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101957219] [2024-07-20 19:15:51,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101957219] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-20 19:15:51,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-20 19:15:51,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-20 19:15:51,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200873896] [2024-07-20 19:15:51,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-20 19:15:51,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-20 19:15:51,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:15:51,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-20 19:15:51,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-20 19:15:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:15:51,801 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:15:51,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:15:51,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:15:51,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:51,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-20 19:15:51,924 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:15:51,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:15:51,925 INFO L85 PathProgramCache]: Analyzing trace with hash 2075173836, now seen corresponding path program 1 times [2024-07-20 19:15:51,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:15:51,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192865717] [2024-07-20 19:15:51,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:15:51,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:15:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:15:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-07-20 19:15:52,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:15:52,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192865717] [2024-07-20 19:15:52,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192865717] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-20 19:15:52,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-20 19:15:52,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-20 19:15:52,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720959913] [2024-07-20 19:15:52,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-20 19:15:52,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-20 19:15:52,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:15:52,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-20 19:15:52,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-20 19:15:52,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:15:52,393 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:15:52,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:15:52,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:52,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:15:52,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:52,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-20 19:15:52,481 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:15:52,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:15:52,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1691715662, now seen corresponding path program 1 times [2024-07-20 19:15:52,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:15:52,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017701793] [2024-07-20 19:15:52,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:15:52,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:15:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:15:52,968 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 35 proven. 37 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-07-20 19:15:52,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:15:52,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017701793] [2024-07-20 19:15:52,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017701793] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:15:52,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059779269] [2024-07-20 19:15:52,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:15:52,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:15:52,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:15:53,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:15:53,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-20 19:15:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:15:53,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 8 conjunts are in the unsatisfiable core [2024-07-20 19:15:53,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:15:53,378 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-07-20 19:15:53,378 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:15:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 68 proven. 9 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-07-20 19:15:53,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059779269] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:15:53,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:15:53,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-07-20 19:15:53,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639331307] [2024-07-20 19:15:53,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:15:53,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-07-20 19:15:53,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:15:53,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-07-20 19:15:53,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-07-20 19:15:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:15:53,581 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:15:53,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 13 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:15:53,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:53,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:53,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:15:53,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:53,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:53,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:15:53,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-07-20 19:15:53,994 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,SelfDestructingSolverStorable2 [2024-07-20 19:15:53,995 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:15:53,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:15:53,996 INFO L85 PathProgramCache]: Analyzing trace with hash 632148708, now seen corresponding path program 2 times [2024-07-20 19:15:53,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:15:53,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098174461] [2024-07-20 19:15:53,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:15:53,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:15:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:15:54,454 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 38 proven. 52 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-07-20 19:15:54,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:15:54,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098174461] [2024-07-20 19:15:54,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098174461] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:15:54,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852564966] [2024-07-20 19:15:54,455 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 19:15:54,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:15:54,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:15:54,457 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:15:54,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-07-20 19:15:54,673 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 19:15:54,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:15:54,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 10 conjunts are in the unsatisfiable core [2024-07-20 19:15:54,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:15:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 115 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-07-20 19:15:54,909 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:15:55,104 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 86 proven. 32 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-07-20 19:15:55,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852564966] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:15:55,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:15:55,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 19 [2024-07-20 19:15:55,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378755417] [2024-07-20 19:15:55,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:15:55,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-07-20 19:15:55,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:15:55,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-07-20 19:15:55,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2024-07-20 19:15:55,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:15:55,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:15:55,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.842105263157895) internal successors, (149), 19 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:15:55,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:55,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:55,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:15:55,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:15:55,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:55,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:55,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:15:55,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:15:55,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-07-20 19:15:55,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:15:55,549 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:15:55,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:15:55,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1439529714, now seen corresponding path program 3 times [2024-07-20 19:15:55,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:15:55,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619086181] [2024-07-20 19:15:55,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:15:55,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:15:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:15:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 37 proven. 85 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-07-20 19:15:56,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:15:56,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619086181] [2024-07-20 19:15:56,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619086181] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:15:56,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536002545] [2024-07-20 19:15:56,042 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-20 19:15:56,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:15:56,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:15:56,043 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:15:56,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-20 19:15:56,329 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-07-20 19:15:56,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:15:56,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 13 conjunts are in the unsatisfiable core [2024-07-20 19:15:56,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:15:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 142 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-07-20 19:15:56,666 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:15:56,986 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 95 proven. 53 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-07-20 19:15:56,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536002545] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:15:56,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:15:56,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 26 [2024-07-20 19:15:56,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618424418] [2024-07-20 19:15:56,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:15:56,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-07-20 19:15:56,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:15:56,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-07-20 19:15:56,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=518, Unknown=0, NotChecked=0, Total=702 [2024-07-20 19:15:56,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:15:56,990 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:15:56,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.074074074074074) internal successors, (191), 26 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:15:56,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:56,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:56,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:15:56,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:15:56,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:15:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:15:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:15:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:15:57,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-07-20 19:15:57,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:15:57,433 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:15:57,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:15:57,434 INFO L85 PathProgramCache]: Analyzing trace with hash -2066953714, now seen corresponding path program 4 times [2024-07-20 19:15:57,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:15:57,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43183876] [2024-07-20 19:15:57,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:15:57,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:15:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:15:57,901 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 47 proven. 75 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-07-20 19:15:57,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:15:57,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43183876] [2024-07-20 19:15:57,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43183876] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:15:57,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311338619] [2024-07-20 19:15:57,903 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-20 19:15:57,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:15:57,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:15:57,904 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:15:57,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-07-20 19:15:58,123 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-20 19:15:58,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:15:58,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 16 conjunts are in the unsatisfiable core [2024-07-20 19:15:58,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:15:58,565 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 104 proven. 35 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-07-20 19:15:58,566 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:15:58,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-07-20 19:15:58,989 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 121 proven. 18 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-07-20 19:15:58,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311338619] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:15:58,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:15:58,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 30 [2024-07-20 19:15:58,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035899182] [2024-07-20 19:15:58,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:15:58,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-07-20 19:15:58,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:15:58,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-07-20 19:15:58,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2024-07-20 19:15:58,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:15:58,993 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:15:58,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 6.533333333333333) internal successors, (196), 30 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:15:58,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:58,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:58,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:15:58,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:15:58,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:15:58,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:15:59,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:59,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:15:59,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:15:59,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:15:59,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:15:59,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:15:59,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-07-20 19:15:59,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-07-20 19:15:59,456 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:15:59,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:15:59,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1419774217, now seen corresponding path program 5 times [2024-07-20 19:15:59,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:15:59,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958111459] [2024-07-20 19:15:59,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:15:59,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:15:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:16:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 172 proven. 173 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-07-20 19:16:00,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:16:00,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958111459] [2024-07-20 19:16:00,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958111459] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:16:00,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522973962] [2024-07-20 19:16:00,285 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-20 19:16:00,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:00,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:16:00,288 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:16:00,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-07-20 19:16:00,743 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-07-20 19:16:00,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:16:00,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 18 conjunts are in the unsatisfiable core [2024-07-20 19:16:00,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:16:01,121 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 248 proven. 42 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-07-20 19:16:01,121 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:16:01,516 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 211 proven. 79 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-07-20 19:16:01,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522973962] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:16:01,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:16:01,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 35 [2024-07-20 19:16:01,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991388529] [2024-07-20 19:16:01,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:16:01,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-07-20 19:16:01,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:16:01,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-07-20 19:16:01,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=1006, Unknown=0, NotChecked=0, Total=1260 [2024-07-20 19:16:01,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:01,521 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:16:01,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.5) internal successors, (198), 35 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:16:01,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:01,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:01,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:01,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:01,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:01,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-07-20 19:16:01,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:01,965 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:16:01,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:16:01,965 INFO L85 PathProgramCache]: Analyzing trace with hash 2075062241, now seen corresponding path program 6 times [2024-07-20 19:16:01,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:16:01,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061251251] [2024-07-20 19:16:01,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:16:01,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:16:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:16:02,779 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 222 proven. 141 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-07-20 19:16:02,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:16:02,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061251251] [2024-07-20 19:16:02,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061251251] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:16:02,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236320475] [2024-07-20 19:16:02,780 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-20 19:16:02,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:02,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:16:02,785 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:16:02,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-07-20 19:16:03,108 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-07-20 19:16:03,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:16:03,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 6 conjunts are in the unsatisfiable core [2024-07-20 19:16:03,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:16:03,208 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 171 proven. 3 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-07-20 19:16:03,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:16:03,430 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 165 proven. 18 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-07-20 19:16:03,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236320475] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:16:03,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:16:03,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 7] total 24 [2024-07-20 19:16:03,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729199665] [2024-07-20 19:16:03,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:16:03,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-07-20 19:16:03,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:16:03,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-07-20 19:16:03,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2024-07-20 19:16:03,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:03,433 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:16:03,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.375) internal successors, (201), 24 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:16:03,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:03,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:03,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:03,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:03,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:03,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:03,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:03,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:03,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:03,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:03,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:03,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:03,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:03,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:03,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:03,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:03,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-07-20 19:16:03,908 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,SelfDestructingSolverStorable7 [2024-07-20 19:16:03,908 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:16:03,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:16:03,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1280072692, now seen corresponding path program 7 times [2024-07-20 19:16:03,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:16:03,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174636947] [2024-07-20 19:16:03,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:16:03,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:16:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:16:04,104 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-07-20 19:16:04,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:16:04,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174636947] [2024-07-20 19:16:04,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174636947] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-20 19:16:04,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-20 19:16:04,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-20 19:16:04,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062522673] [2024-07-20 19:16:04,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-20 19:16:04,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-20 19:16:04,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:16:04,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-20 19:16:04,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-07-20 19:16:04,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:04,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:16:04,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:16:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:04,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:04,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:04,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:04,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:04,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:04,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:04,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:04,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:04,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:04,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-07-20 19:16:04,229 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:16:04,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:16:04,229 INFO L85 PathProgramCache]: Analyzing trace with hash -257251386, now seen corresponding path program 8 times [2024-07-20 19:16:04,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:16:04,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607561098] [2024-07-20 19:16:04,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:16:04,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:16:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:16:04,664 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-07-20 19:16:04,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:16:04,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607561098] [2024-07-20 19:16:04,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607561098] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:16:04,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271243080] [2024-07-20 19:16:04,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 19:16:04,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:04,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:16:04,667 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:16:04,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-07-20 19:16:04,861 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 19:16:04,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:16:04,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 17 conjunts are in the unsatisfiable core [2024-07-20 19:16:04,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:16:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-07-20 19:16:05,138 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:16:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-07-20 19:16:05,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271243080] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:16:05,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:16:05,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 8] total 17 [2024-07-20 19:16:05,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391114570] [2024-07-20 19:16:05,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:16:05,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-07-20 19:16:05,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:16:05,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-07-20 19:16:05,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-07-20 19:16:05,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:05,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:16:05,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.117647058823529) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:16:05,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:05,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:05,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:05,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:05,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:05,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:05,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:05,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:05,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:05,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:05,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:05,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:05,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:05,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:05,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:05,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:05,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:05,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-07-20 19:16:05,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:05,913 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:16:05,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:16:05,914 INFO L85 PathProgramCache]: Analyzing trace with hash 749276725, now seen corresponding path program 9 times [2024-07-20 19:16:05,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:16:05,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146257412] [2024-07-20 19:16:05,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:16:05,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:16:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:16:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 129 proven. 233 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-07-20 19:16:06,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:16:06,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146257412] [2024-07-20 19:16:06,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146257412] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:16:06,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151390443] [2024-07-20 19:16:06,685 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-20 19:16:06,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:06,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:16:06,689 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:16:06,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-07-20 19:16:07,150 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-07-20 19:16:07,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:16:07,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 20 conjunts are in the unsatisfiable core [2024-07-20 19:16:07,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:16:07,824 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 433 proven. 28 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-07-20 19:16:07,825 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:16:08,473 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 188 proven. 273 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-07-20 19:16:08,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151390443] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:16:08,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:16:08,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17, 17] total 45 [2024-07-20 19:16:08,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571257034] [2024-07-20 19:16:08,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:16:08,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-07-20 19:16:08,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:16:08,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-07-20 19:16:08,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=1641, Unknown=0, NotChecked=0, Total=1980 [2024-07-20 19:16:08,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:08,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:16:08,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.711111111111111) internal successors, (257), 45 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:16:08,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:08,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:08,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:08,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:08,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:08,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:08,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:08,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:08,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:08,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:08,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:08,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:08,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:08,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:08,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:08,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:08,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:08,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:08,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:08,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:08,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:08,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-07-20 19:16:08,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:08,961 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:16:08,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:16:08,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1909646753, now seen corresponding path program 10 times [2024-07-20 19:16:08,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:16:08,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586952090] [2024-07-20 19:16:08,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:16:08,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:16:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:16:09,824 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 167 proven. 250 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-07-20 19:16:09,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:16:09,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586952090] [2024-07-20 19:16:09,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586952090] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:16:09,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515830810] [2024-07-20 19:16:09,827 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-20 19:16:09,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:09,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:16:09,828 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:16:09,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-07-20 19:16:10,132 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-20 19:16:10,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:16:10,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 12 conjunts are in the unsatisfiable core [2024-07-20 19:16:10,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:16:10,282 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 303 proven. 45 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-07-20 19:16:10,282 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:16:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 254 proven. 174 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-07-20 19:16:10,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515830810] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:16:10,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:16:10,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 13] total 31 [2024-07-20 19:16:10,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158045886] [2024-07-20 19:16:10,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:16:10,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-07-20 19:16:10,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:16:10,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-07-20 19:16:10,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=756, Unknown=0, NotChecked=0, Total=930 [2024-07-20 19:16:10,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:10,713 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:16:10,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.870967741935484) internal successors, (244), 31 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:16:10,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:10,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:10,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:10,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:10,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:10,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:10,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:10,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:10,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:10,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:10,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:10,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:10,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:10,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:10,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:10,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:10,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-07-20 19:16:11,112 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,SelfDestructingSolverStorable11 [2024-07-20 19:16:11,112 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:16:11,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:16:11,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1244963033, now seen corresponding path program 11 times [2024-07-20 19:16:11,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:16:11,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906164978] [2024-07-20 19:16:11,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:16:11,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:16:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:16:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 53 proven. 122 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-07-20 19:16:12,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:16:12,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906164978] [2024-07-20 19:16:12,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906164978] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:16:12,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525736325] [2024-07-20 19:16:12,178 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-20 19:16:12,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:12,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:16:12,179 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) [2024-07-20 19:16:12,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-07-20 19:16:13,027 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-07-20 19:16:13,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:16:13,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 22 conjunts are in the unsatisfiable core [2024-07-20 19:16:13,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:16:13,920 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 31 proven. 178 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-07-20 19:16:13,921 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:16:14,632 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 35 proven. 174 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-07-20 19:16:14,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525736325] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:16:14,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:16:14,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17, 18] total 42 [2024-07-20 19:16:14,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391891617] [2024-07-20 19:16:14,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:16:14,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-07-20 19:16:14,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:16:14,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-07-20 19:16:14,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1543, Unknown=0, NotChecked=0, Total=1806 [2024-07-20 19:16:14,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:14,636 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:16:14,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.116279069767442) internal successors, (263), 42 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:16:14,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:14,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:14,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:14,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:14,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:14,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:14,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:14,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:14,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:14,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:14,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:14,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:14,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:17,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:17,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:17,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:17,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:17,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:17,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:17,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:17,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:17,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-07-20 19:16:17,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-07-20 19:16:18,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:18,020 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:16:18,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:16:18,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1397730411, now seen corresponding path program 12 times [2024-07-20 19:16:18,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:16:18,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645182436] [2024-07-20 19:16:18,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:16:18,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:16:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:16:19,065 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 45 proven. 86 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-07-20 19:16:19,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:16:19,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645182436] [2024-07-20 19:16:19,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645182436] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:16:19,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039875791] [2024-07-20 19:16:19,066 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-20 19:16:19,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:19,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:16:19,068 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) [2024-07-20 19:16:19,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-07-20 19:16:19,685 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-07-20 19:16:19,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:16:19,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 21 conjunts are in the unsatisfiable core [2024-07-20 19:16:19,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:16:20,417 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 26 proven. 145 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-07-20 19:16:20,417 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:16:21,080 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 26 proven. 145 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-07-20 19:16:21,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039875791] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:16:21,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:16:21,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 17] total 42 [2024-07-20 19:16:21,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400229046] [2024-07-20 19:16:21,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:16:21,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-07-20 19:16:21,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:16:21,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-07-20 19:16:21,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=1530, Unknown=0, NotChecked=0, Total=1806 [2024-07-20 19:16:21,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:21,083 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:16:21,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 5.744186046511628) internal successors, (247), 42 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:16:21,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:21,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:21,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:21,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:21,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:21,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:21,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:21,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:21,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:21,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:21,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:21,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:21,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-07-20 19:16:21,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:16:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:16:24,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-07-20 19:16:25,163 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,SelfDestructingSolverStorable13 [2024-07-20 19:16:25,163 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:16:25,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:16:25,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1830679011, now seen corresponding path program 13 times [2024-07-20 19:16:25,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:16:25,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753706748] [2024-07-20 19:16:25,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:16:25,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:16:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:16:26,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 515 proven. 580 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2024-07-20 19:16:26,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:16:26,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753706748] [2024-07-20 19:16:26,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753706748] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:16:26,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023496878] [2024-07-20 19:16:26,666 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-20 19:16:26,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:26,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:16:26,668 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) [2024-07-20 19:16:26,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-07-20 19:16:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:16:27,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 22 conjunts are in the unsatisfiable core [2024-07-20 19:16:27,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:16:27,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 1004 proven. 36 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-07-20 19:16:27,646 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:16:28,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 875 proven. 165 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-07-20 19:16:28,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023496878] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:16:28,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:16:28,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 53 [2024-07-20 19:16:28,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145846801] [2024-07-20 19:16:28,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:16:28,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-07-20 19:16:28,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:16:28,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-07-20 19:16:28,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=2240, Unknown=0, NotChecked=0, Total=2862 [2024-07-20 19:16:28,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:28,249 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:16:28,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 6.555555555555555) internal successors, (354), 53 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:16:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:28,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:28,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:28,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:28,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:28,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:28,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:28,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:16:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:16:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:28,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:28,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:28,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:28,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:28,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:28,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:28,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:28,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:28,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:28,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:28,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:28,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:28,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:16:28,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:16:28,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:28,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-07-20 19:16:28,704 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,SelfDestructingSolverStorable14 [2024-07-20 19:16:28,704 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:16:28,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:16:28,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1032907787, now seen corresponding path program 14 times [2024-07-20 19:16:28,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:16:28,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862639181] [2024-07-20 19:16:28,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:16:28,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:16:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:16:30,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 611 proven. 549 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-07-20 19:16:30,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:16:30,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862639181] [2024-07-20 19:16:30,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862639181] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:16:30,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490934032] [2024-07-20 19:16:30,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 19:16:30,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:30,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:16:30,080 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) [2024-07-20 19:16:30,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-07-20 19:16:30,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 19:16:30,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:16:30,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 20 conjunts are in the unsatisfiable core [2024-07-20 19:16:30,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:16:31,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 1015 proven. 28 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-07-20 19:16:31,047 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:16:31,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 864 proven. 179 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-07-20 19:16:31,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490934032] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:16:31,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:16:31,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18, 18] total 53 [2024-07-20 19:16:31,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445541022] [2024-07-20 19:16:31,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:16:31,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-07-20 19:16:31,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:16:31,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-07-20 19:16:31,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=411, Invalid=2345, Unknown=0, NotChecked=0, Total=2756 [2024-07-20 19:16:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:31,725 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:16:31,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 7.0754716981132075) internal successors, (375), 53 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:16:31,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:31,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:31,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:31,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:31,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:31,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:31,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:31,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:31,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:31,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:31,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:31,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:31,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:16:31,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:16:31,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:31,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:32,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:32,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:32,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:32,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:32,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:32,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:32,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:32,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:32,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:32,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:32,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:32,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:32,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:16:32,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:16:32,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:32,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:16:32,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-07-20 19:16:32,336 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,SelfDestructingSolverStorable15 [2024-07-20 19:16:32,336 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:16:32,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:16:32,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1902787787, now seen corresponding path program 15 times [2024-07-20 19:16:32,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:16:32,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507217946] [2024-07-20 19:16:32,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:16:32,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:16:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:16:33,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 719 proven. 495 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-07-20 19:16:33,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:16:33,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507217946] [2024-07-20 19:16:33,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507217946] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:16:33,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243401906] [2024-07-20 19:16:33,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-20 19:16:33,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:33,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:16:33,860 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) [2024-07-20 19:16:33,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-07-20 19:16:35,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-07-20 19:16:35,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:16:35,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 24 conjunts are in the unsatisfiable core [2024-07-20 19:16:35,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:16:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 899 proven. 61 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-07-20 19:16:36,381 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:16:37,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 239 proven. 721 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-07-20 19:16:37,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243401906] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:16:37,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:16:37,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 20] total 59 [2024-07-20 19:16:37,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373630447] [2024-07-20 19:16:37,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:16:37,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-07-20 19:16:37,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:16:37,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-07-20 19:16:37,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=486, Invalid=2936, Unknown=0, NotChecked=0, Total=3422 [2024-07-20 19:16:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:37,168 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:16:37,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 6.491525423728813) internal successors, (383), 59 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:16:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:16:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:16:37,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:37,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:16:37,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:16:37,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-07-20 19:16:37,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-07-20 19:16:37,687 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:16:37,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:16:37,687 INFO L85 PathProgramCache]: Analyzing trace with hash -349673653, now seen corresponding path program 16 times [2024-07-20 19:16:37,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:16:37,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455637799] [2024-07-20 19:16:37,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:16:37,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:16:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:16:38,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 839 proven. 418 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-07-20 19:16:38,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:16:38,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455637799] [2024-07-20 19:16:38,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455637799] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:16:38,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241593004] [2024-07-20 19:16:38,998 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-20 19:16:38,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:38,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:16:39,000 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) [2024-07-20 19:16:39,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-07-20 19:16:39,375 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-20 19:16:39,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:16:39,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 27 conjunts are in the unsatisfiable core [2024-07-20 19:16:39,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:16:39,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2024-07-20 19:16:40,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 1019 proven. 149 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-07-20 19:16:40,264 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:16:40,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-07-20 19:16:41,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 1020 proven. 148 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-07-20 19:16:41,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241593004] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:16:41,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:16:41,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23, 23] total 68 [2024-07-20 19:16:41,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480748533] [2024-07-20 19:16:41,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:16:41,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-07-20 19:16:41,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:16:41,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-07-20 19:16:41,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=656, Invalid=3900, Unknown=0, NotChecked=0, Total=4556 [2024-07-20 19:16:41,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:41,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:16:41,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 6.985294117647059) internal successors, (475), 68 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:16:41,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:41,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:41,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:41,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:41,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:41,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:41,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:41,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:41,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:41,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:41,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:41,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:41,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:16:41,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:16:41,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:41,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:16:41,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:16:41,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:41,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:41,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:41,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:41,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:41,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:41,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:41,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:16:41,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:16:41,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:41,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:16:41,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:16:41,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-07-20 19:16:41,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-07-20 19:16:41,980 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,SelfDestructingSolverStorable17 [2024-07-20 19:16:41,980 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:16:41,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:16:41,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1629051893, now seen corresponding path program 17 times [2024-07-20 19:16:41,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:16:41,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943140036] [2024-07-20 19:16:41,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:16:41,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:16:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:16:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 971 proven. 318 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-07-20 19:16:43,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:16:43,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943140036] [2024-07-20 19:16:43,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943140036] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:16:43,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428201278] [2024-07-20 19:16:43,362 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-20 19:16:43,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:43,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:16:43,364 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) [2024-07-20 19:16:43,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-07-20 19:16:52,406 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-07-20 19:16:52,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:16:52,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 31 conjunts are in the unsatisfiable core [2024-07-20 19:16:52,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:16:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 1219 proven. 78 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-07-20 19:16:53,427 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:16:54,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 983 proven. 314 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-07-20 19:16:54,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428201278] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:16:54,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:16:54,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 28] total 80 [2024-07-20 19:16:54,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460342076] [2024-07-20 19:16:54,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:16:54,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-07-20 19:16:54,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:16:54,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-07-20 19:16:54,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1417, Invalid=5063, Unknown=0, NotChecked=0, Total=6480 [2024-07-20 19:16:54,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:54,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:16:54,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 6.7407407407407405) internal successors, (546), 80 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:16:54,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:54,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:54,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:54,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:16:54,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:16:54,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:54,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:16:54,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:16:54,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-07-20 19:16:54,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:16:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:16:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:16:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:16:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:16:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:16:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:16:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:16:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:16:54,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:16:54,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:16:54,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:16:54,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-07-20 19:16:54,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-20 19:16:54,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-07-20 19:16:55,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:55,129 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:16:55,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:16:55,130 INFO L85 PathProgramCache]: Analyzing trace with hash -353208587, now seen corresponding path program 18 times [2024-07-20 19:16:55,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:16:55,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423237636] [2024-07-20 19:16:55,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:16:55,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:16:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:16:56,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 539 proven. 625 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-07-20 19:16:56,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:16:56,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423237636] [2024-07-20 19:16:56,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423237636] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:16:56,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116197577] [2024-07-20 19:16:56,299 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-20 19:16:56,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:16:56,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:16:56,300 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) [2024-07-20 19:16:56,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-07-20 19:16:59,662 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-07-20 19:16:59,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:16:59,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 33 conjunts are in the unsatisfiable core [2024-07-20 19:16:59,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:17:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 1078 proven. 201 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-07-20 19:17:00,932 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:17:00,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-07-20 19:17:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 1097 proven. 182 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-07-20 19:17:02,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116197577] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:17:02,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:17:02,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 29, 29] total 78 [2024-07-20 19:17:02,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597926374] [2024-07-20 19:17:02,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:17:02,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-07-20 19:17:02,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:17:02,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-07-20 19:17:02,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1243, Invalid=4763, Unknown=0, NotChecked=0, Total=6006 [2024-07-20 19:17:02,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:17:02,039 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:17:02,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 6.987179487179487) internal successors, (545), 78 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:17:02,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:17:02,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:17:02,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:17:02,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:17:02,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:17:02,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:17:02,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:17:02,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:17:02,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:17:02,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:17:02,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:17:02,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:17:02,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:17:02,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:17:02,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:17:02,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:17:02,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:17:02,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-07-20 19:17:02,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-07-20 19:17:02,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:17:02,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:17:02,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:17:02,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:17:02,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:17:02,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:17:02,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:17:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:17:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:17:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:17:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:17:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:17:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:17:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:17:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:17:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:17:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:17:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:17:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-07-20 19:17:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-20 19:17:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:17:02,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-07-20 19:17:02,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:17:02,510 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:17:02,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:17:02,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1972975133, now seen corresponding path program 19 times [2024-07-20 19:17:02,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:17:02,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469751527] [2024-07-20 19:17:02,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:17:02,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:17:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:17:05,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1459 backedges. 113 proven. 769 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2024-07-20 19:17:05,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:17:05,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469751527] [2024-07-20 19:17:05,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469751527] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:17:05,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13414509] [2024-07-20 19:17:05,377 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-20 19:17:05,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:17:05,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:17:05,378 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) [2024-07-20 19:17:05,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-07-20 19:17:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:17:05,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 44 conjunts are in the unsatisfiable core [2024-07-20 19:17:05,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:17:07,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1459 backedges. 80 proven. 1153 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-07-20 19:17:07,818 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:17:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1459 backedges. 24 proven. 1210 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-07-20 19:17:10,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13414509] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:17:10,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:17:10,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 38, 39] total 93 [2024-07-20 19:17:10,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653986856] [2024-07-20 19:17:10,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:17:10,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-07-20 19:17:10,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:17:10,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-07-20 19:17:10,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1596, Invalid=7146, Unknown=0, NotChecked=0, Total=8742 [2024-07-20 19:17:10,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:17:10,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:17:10,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 5.148936170212766) internal successors, (484), 93 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:17:10,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:17:10,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-07-20 19:17:10,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-07-20 19:17:10,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:17:10,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:17:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:17:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-07-20 19:17:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-20 19:17:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:17:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 578 states. [2024-07-20 19:17:56,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-07-20 19:17:56,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:17:56,673 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:17:56,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:17:56,673 INFO L85 PathProgramCache]: Analyzing trace with hash -788380400, now seen corresponding path program 20 times [2024-07-20 19:17:56,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:17:56,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079624416] [2024-07-20 19:17:56,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:17:56,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:17:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:17:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6026 backedges. 1404 proven. 3065 refuted. 0 times theorem prover too weak. 1557 trivial. 0 not checked. [2024-07-20 19:17:59,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:17:59,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079624416] [2024-07-20 19:17:59,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079624416] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:17:59,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125153260] [2024-07-20 19:17:59,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 19:17:59,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:17:59,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:17:59,862 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) [2024-07-20 19:17:59,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-07-20 19:18:00,533 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 19:18:00,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:18:00,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 2015 conjuncts, 34 conjunts are in the unsatisfiable core [2024-07-20 19:18:00,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:18:01,855 INFO L134 CoverageAnalysis]: Checked inductivity of 6026 backedges. 4179 proven. 105 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2024-07-20 19:18:01,855 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:18:03,273 INFO L134 CoverageAnalysis]: Checked inductivity of 6026 backedges. 3911 proven. 373 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2024-07-20 19:18:03,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125153260] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:18:03,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:18:03,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 31, 31] total 93 [2024-07-20 19:18:03,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616336742] [2024-07-20 19:18:03,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:18:03,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-07-20 19:18:03,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:18:03,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-07-20 19:18:03,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1251, Invalid=7305, Unknown=0, NotChecked=0, Total=8556 [2024-07-20 19:18:03,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:18:03,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:18:03,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 6.774193548387097) internal successors, (630), 93 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:18:03,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:03,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:03,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:18:03,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:03,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:18:03,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:03,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:03,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:18:03,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:03,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:03,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:18:03,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:03,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:18:03,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:18:03,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:03,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:18:03,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:18:03,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-07-20 19:18:03,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-07-20 19:18:03,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:18:03,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 578 states. [2024-07-20 19:18:03,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:18:03,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:03,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:03,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:18:03,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:03,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:18:03,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:18:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:18:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:18:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:18:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:18:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:18:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-07-20 19:18:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-20 19:18:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:18:03,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 578 states. [2024-07-20 19:18:03,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-20 19:18:03,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-07-20 19:18:03,895 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,SelfDestructingSolverStorable21 [2024-07-20 19:18:03,895 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:18:03,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:18:03,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1362980134, now seen corresponding path program 21 times [2024-07-20 19:18:03,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:18:03,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070702954] [2024-07-20 19:18:03,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:18:03,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:18:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:18:06,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6057 backedges. 1589 proven. 3075 refuted. 0 times theorem prover too weak. 1393 trivial. 0 not checked. [2024-07-20 19:18:06,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:18:06,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070702954] [2024-07-20 19:18:06,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070702954] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:18:06,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697300317] [2024-07-20 19:18:06,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-20 19:18:06,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:18:06,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:18:06,725 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) [2024-07-20 19:18:06,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-07-20 19:18:20,807 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2024-07-20 19:18:20,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:18:20,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 40 conjunts are in the unsatisfiable core [2024-07-20 19:18:20,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:18:22,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6057 backedges. 4233 proven. 120 refuted. 0 times theorem prover too weak. 1704 trivial. 0 not checked. [2024-07-20 19:18:22,533 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:18:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6057 backedges. 1326 proven. 3027 refuted. 0 times theorem prover too weak. 1704 trivial. 0 not checked. [2024-07-20 19:18:24,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697300317] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:18:24,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:18:24,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 34, 34] total 101 [2024-07-20 19:18:24,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12769967] [2024-07-20 19:18:24,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:18:24,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-07-20 19:18:24,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:18:24,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-07-20 19:18:24,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1468, Invalid=8632, Unknown=0, NotChecked=0, Total=10100 [2024-07-20 19:18:24,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:18:24,466 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:18:24,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 6.1683168316831685) internal successors, (623), 101 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:18:24,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:24,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:18:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:18:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:18:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:18:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:18:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:18:24,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:24,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:18:24,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:18:24,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-07-20 19:18:24,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-07-20 19:18:24,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:18:24,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 578 states. [2024-07-20 19:18:24,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-07-20 19:18:24,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:18:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:18:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:18:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:18:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:18:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:18:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:18:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:18:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:18:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-07-20 19:18:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-20 19:18:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:18:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 578 states. [2024-07-20 19:18:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-20 19:18:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-07-20 19:18:24,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-07-20 19:18:25,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:18:25,068 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:18:25,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:18:25,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1830772176, now seen corresponding path program 22 times [2024-07-20 19:18:25,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:18:25,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830293805] [2024-07-20 19:18:25,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:18:25,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:18:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:18:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6090 backedges. 1786 proven. 3062 refuted. 0 times theorem prover too weak. 1242 trivial. 0 not checked. [2024-07-20 19:18:28,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:18:28,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830293805] [2024-07-20 19:18:28,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830293805] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:18:28,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288942256] [2024-07-20 19:18:28,037 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-20 19:18:28,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:18:28,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:18:28,038 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) [2024-07-20 19:18:28,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-07-20 19:18:28,718 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-20 19:18:28,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:18:28,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 2051 conjuncts, 49 conjunts are in the unsatisfiable core [2024-07-20 19:18:28,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:18:31,055 INFO L134 CoverageAnalysis]: Checked inductivity of 6090 backedges. 5187 proven. 400 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2024-07-20 19:18:31,055 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:18:31,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-07-20 19:18:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 6090 backedges. 5194 proven. 393 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2024-07-20 19:18:33,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288942256] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:18:33,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:18:33,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 45, 45] total 124 [2024-07-20 19:18:33,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621809955] [2024-07-20 19:18:33,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:18:33,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2024-07-20 19:18:33,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:18:33,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2024-07-20 19:18:33,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3045, Invalid=12207, Unknown=0, NotChecked=0, Total=15252 [2024-07-20 19:18:33,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:18:33,312 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:18:33,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 7.056451612903226) internal successors, (875), 124 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:18:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:33,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:33,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:18:33,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:33,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:18:33,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:33,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:33,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:18:33,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:33,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:33,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:18:33,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:33,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:18:33,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:18:33,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:33,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:18:33,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:18:33,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-07-20 19:18:33,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-07-20 19:18:33,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:18:33,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 578 states. [2024-07-20 19:18:33,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-07-20 19:18:33,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-07-20 19:18:33,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:18:33,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:33,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:33,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:18:33,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:33,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:18:33,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:33,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:18:33,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 578 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-07-20 19:18:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-20 19:18:33,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-07-20 19:18:33,859 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,SelfDestructingSolverStorable23 [2024-07-20 19:18:33,859 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-07-20 19:18:33,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:18:33,860 INFO L85 PathProgramCache]: Analyzing trace with hash -712378114, now seen corresponding path program 23 times [2024-07-20 19:18:33,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:18:33,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795133202] [2024-07-20 19:18:33,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:18:33,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:18:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:18:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6237 backedges. 3501 proven. 2327 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-07-20 19:18:37,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:18:37,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795133202] [2024-07-20 19:18:37,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795133202] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:18:37,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480954266] [2024-07-20 19:18:37,907 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-20 19:18:37,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:18:37,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:18:37,912 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) [2024-07-20 19:18:37,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process Killed by 15