./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.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-more-array-sum2.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 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-dfe144c-m [2024-07-20 19:31:06,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-20 19:31:06,716 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-20 19:31:06,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-20 19:31:06,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-20 19:31:06,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-20 19:31:06,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-20 19:31:06,748 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-20 19:31:06,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-20 19:31:06,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-20 19:31:06,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-20 19:31:06,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-20 19:31:06,757 INFO L153 SettingsManager]: * Use SBE=true [2024-07-20 19:31:06,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-20 19:31:06,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-20 19:31:06,758 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-20 19:31:06,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-20 19:31:06,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-20 19:31:06,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-20 19:31:06,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-20 19:31:06,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-20 19:31:06,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-20 19:31:06,763 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-20 19:31:06,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-20 19:31:06,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-20 19:31:06,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-20 19:31:06,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-20 19:31:06,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-20 19:31:06,764 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-20 19:31:06,764 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-20 19:31:06,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-20 19:31:06,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-20 19:31:06,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-20 19:31:06,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-20 19:31:06,766 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-20 19:31:06,766 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-20 19:31:06,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-20 19:31:06,766 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-20 19:31:06,767 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-20 19:31:06,767 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-20 19:31:06,767 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-20 19:31:06,767 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-20 19:31:06,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 [2024-07-20 19:31:06,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-20 19:31:07,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-20 19:31:07,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-20 19:31:07,004 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-20 19:31:07,004 INFO L274 PluginConnector]: CDTParser initialized [2024-07-20 19:31:07,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2024-07-20 19:31:08,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-20 19:31:08,216 INFO L384 CDTParser]: Found 1 translation units. [2024-07-20 19:31:08,217 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2024-07-20 19:31:08,228 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/65e4b9270/6eb2a1b643e6442c94759f96aac4ca4c/FLAG0cad66d5f [2024-07-20 19:31:08,240 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/65e4b9270/6eb2a1b643e6442c94759f96aac4ca4c [2024-07-20 19:31:08,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-20 19:31:08,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-20 19:31:08,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-20 19:31:08,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-20 19:31:08,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-20 19:31:08,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 07:31:08" (1/1) ... [2024-07-20 19:31:08,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0d88a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:31:08, skipping insertion in model container [2024-07-20 19:31:08,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 07:31:08" (1/1) ... [2024-07-20 19:31:08,272 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-20 19:31:08,411 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-more-array-sum2.wvr.c[2638,2651] [2024-07-20 19:31:08,418 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-20 19:31:08,425 INFO L202 MainTranslator]: Completed pre-run [2024-07-20 19:31:08,439 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-more-array-sum2.wvr.c[2638,2651] [2024-07-20 19:31:08,444 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-20 19:31:08,457 INFO L206 MainTranslator]: Completed translation [2024-07-20 19:31:08,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:31:08 WrapperNode [2024-07-20 19:31:08,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-20 19:31:08,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-20 19:31:08,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-20 19:31:08,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-20 19:31:08,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:31:08" (1/1) ... [2024-07-20 19:31:08,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:31:08" (1/1) ... [2024-07-20 19:31:08,494 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 264 [2024-07-20 19:31:08,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-20 19:31:08,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-20 19:31:08,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-20 19:31:08,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-20 19:31:08,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:31:08" (1/1) ... [2024-07-20 19:31:08,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:31:08" (1/1) ... [2024-07-20 19:31:08,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:31:08" (1/1) ... [2024-07-20 19:31:08,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:31:08" (1/1) ... [2024-07-20 19:31:08,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:31:08" (1/1) ... [2024-07-20 19:31:08,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:31:08" (1/1) ... [2024-07-20 19:31:08,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:31:08" (1/1) ... [2024-07-20 19:31:08,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:31:08" (1/1) ... [2024-07-20 19:31:08,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-20 19:31:08,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-20 19:31:08,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-20 19:31:08,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-20 19:31:08,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:31:08" (1/1) ... [2024-07-20 19:31:08,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-20 19:31:08,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:08,563 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 19:31:08,568 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 19:31:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-20 19:31:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-20 19:31:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-20 19:31:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-20 19:31:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-20 19:31:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-07-20 19:31:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-07-20 19:31:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-20 19:31:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-07-20 19:31:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-20 19:31:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-20 19:31:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-07-20 19:31:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-20 19:31:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-20 19:31:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-07-20 19:31:08,605 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 19:31:08,684 INFO L244 CfgBuilder]: Building ICFG [2024-07-20 19:31:08,685 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-20 19:31:08,951 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-20 19:31:08,951 INFO L293 CfgBuilder]: Performing block encoding [2024-07-20 19:31:09,274 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-20 19:31:09,274 INFO L320 CfgBuilder]: Removed 5 assume(true) statements. [2024-07-20 19:31:09,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 07:31:09 BoogieIcfgContainer [2024-07-20 19:31:09,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-20 19:31:09,277 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-20 19:31:09,277 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-20 19:31:09,280 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-20 19:31:09,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 07:31:08" (1/3) ... [2024-07-20 19:31:09,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465f8015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 07:31:09, skipping insertion in model container [2024-07-20 19:31:09,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:31:08" (2/3) ... [2024-07-20 19:31:09,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465f8015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 07:31:09, skipping insertion in model container [2024-07-20 19:31:09,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 07:31:09" (3/3) ... [2024-07-20 19:31:09,283 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2024-07-20 19:31:09,289 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-07-20 19:31:09,296 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-20 19:31:09,296 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-20 19:31:09,297 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-20 19:31:09,347 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-07-20 19:31:09,384 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-20 19:31:09,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-20 19:31:09,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:09,387 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 19:31:09,387 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 19:31:09,430 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-20 19:31:09,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-20 19:31:09,451 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;@6b1ce4ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-20 19:31:09,451 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-20 19:31:09,624 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 1 more)] === [2024-07-20 19:31:09,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:09,628 INFO L85 PathProgramCache]: Analyzing trace with hash 2049925601, now seen corresponding path program 1 times [2024-07-20 19:31:09,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:09,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569516095] [2024-07-20 19:31:09,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:09,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:10,155 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-07-20 19:31:10,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:10,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569516095] [2024-07-20 19:31:10,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569516095] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-20 19:31:10,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-20 19:31:10,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-20 19:31:10,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467023371] [2024-07-20 19:31:10,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-20 19:31:10,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-20 19:31:10,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:31:10,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-20 19:31:10,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-20 19:31:10,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:10,188 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:31:10,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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 19:31:10,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:10,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:10,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-20 19:31:10,298 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 1 more)] === [2024-07-20 19:31:10,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:10,299 INFO L85 PathProgramCache]: Analyzing trace with hash 476046346, now seen corresponding path program 1 times [2024-07-20 19:31:10,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:10,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819981931] [2024-07-20 19:31:10,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:10,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:10,471 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-07-20 19:31:10,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:10,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819981931] [2024-07-20 19:31:10,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819981931] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:31:10,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639107452] [2024-07-20 19:31:10,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:10,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:10,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:10,512 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 19:31:10,539 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 19:31:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:10,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 8 conjunts are in the unsatisfiable core [2024-07-20 19:31:10,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:31:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-07-20 19:31:10,731 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:31:10,801 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-07-20 19:31:10,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639107452] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:31:10,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:31:10,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-07-20 19:31:10,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11604905] [2024-07-20 19:31:10,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:31:10,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-07-20 19:31:10,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:31:10,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-07-20 19:31:10,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-07-20 19:31:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:10,807 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:31:10,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 13 states have internal predecessors, (61), 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 19:31:10,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:10,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:10,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:10,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:10,995 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 19:31:11,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-07-20 19:31:11,192 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 1 more)] === [2024-07-20 19:31:11,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:11,194 INFO L85 PathProgramCache]: Analyzing trace with hash 326407681, now seen corresponding path program 2 times [2024-07-20 19:31:11,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:11,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749192174] [2024-07-20 19:31:11,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:11,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-07-20 19:31:11,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:11,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749192174] [2024-07-20 19:31:11,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749192174] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:31:11,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462633619] [2024-07-20 19:31:11,389 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 19:31:11,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:11,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:11,413 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 19:31:11,441 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 19:31:11,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 19:31:11,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:31:11,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 8 conjunts are in the unsatisfiable core [2024-07-20 19:31:11,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:31:11,610 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-07-20 19:31:11,610 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:31:11,675 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-07-20 19:31:11,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462633619] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:31:11,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:31:11,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 16 [2024-07-20 19:31:11,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68244562] [2024-07-20 19:31:11,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:31:11,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-07-20 19:31:11,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:31:11,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-07-20 19:31:11,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-07-20 19:31:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:11,678 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:31:11,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.6875) internal successors, (75), 16 states have internal predecessors, (75), 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 19:31:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:11,917 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 19:31:12,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:12,109 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 1 more)] === [2024-07-20 19:31:12,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:12,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1806955416, now seen corresponding path program 3 times [2024-07-20 19:31:12,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:12,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290437827] [2024-07-20 19:31:12,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:12,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-07-20 19:31:12,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:12,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290437827] [2024-07-20 19:31:12,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290437827] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:31:12,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62113571] [2024-07-20 19:31:12,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-20 19:31:12,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:12,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:12,367 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 19:31:12,368 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 19:31:12,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-07-20 19:31:12,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:31:12,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 11 conjunts are in the unsatisfiable core [2024-07-20 19:31:12,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:31:12,654 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-20 19:31:12,654 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:31:12,812 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-20 19:31:12,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62113571] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:31:12,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:31:12,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 25 [2024-07-20 19:31:12,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266642888] [2024-07-20 19:31:12,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:31:12,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-07-20 19:31:12,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:31:12,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-07-20 19:31:12,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=535, Unknown=0, NotChecked=0, Total=650 [2024-07-20 19:31:12,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:12,815 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:31:12,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 25 states have internal predecessors, (115), 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 19:31:12,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:12,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:12,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:12,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:13,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:13,018 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 19:31:13,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:13,208 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 1 more)] === [2024-07-20 19:31:13,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:13,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1038661704, now seen corresponding path program 4 times [2024-07-20 19:31:13,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:13,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275925490] [2024-07-20 19:31:13,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:13,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:13,389 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-07-20 19:31:13,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:13,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275925490] [2024-07-20 19:31:13,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275925490] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:31:13,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885559012] [2024-07-20 19:31:13,390 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-20 19:31:13,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:13,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:13,392 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 19:31:13,418 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 19:31:13,480 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-20 19:31:13,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:31:13,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2024-07-20 19:31:13,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:31:13,702 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-07-20 19:31:13,702 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:31:13,875 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-07-20 19:31:13,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885559012] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:31:13,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:31:13,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 28 [2024-07-20 19:31:13,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735057088] [2024-07-20 19:31:13,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:31:13,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-07-20 19:31:13,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:31:13,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-07-20 19:31:13,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2024-07-20 19:31:13,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:13,878 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:31:13,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 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 19:31:13,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:13,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:13,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:13,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:13,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:14,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:14,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:14,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:14,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:14,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:14,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-07-20 19:31:14,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:14,837 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 1 more)] === [2024-07-20 19:31:14,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:14,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1695824547, now seen corresponding path program 5 times [2024-07-20 19:31:14,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:14,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324578260] [2024-07-20 19:31:14,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:14,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:15,273 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 108 proven. 28 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-07-20 19:31:15,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:15,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324578260] [2024-07-20 19:31:15,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324578260] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:31:15,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9823152] [2024-07-20 19:31:15,274 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-20 19:31:15,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:15,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:15,289 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 19:31:15,292 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 19:31:15,485 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-07-20 19:31:15,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:31:15,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 14 conjunts are in the unsatisfiable core [2024-07-20 19:31:15,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:31:15,664 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 129 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-07-20 19:31:15,664 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:31:15,839 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 129 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-07-20 19:31:15,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9823152] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:31:15,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:31:15,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 34 [2024-07-20 19:31:15,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832272042] [2024-07-20 19:31:15,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:31:15,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-07-20 19:31:15,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:31:15,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-07-20 19:31:15,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=965, Unknown=0, NotChecked=0, Total=1190 [2024-07-20 19:31:15,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:15,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:31:15,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.714285714285714) internal successors, (165), 34 states have internal predecessors, (165), 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 19:31:15,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:15,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:15,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:15,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:15,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:15,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:15,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:16,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-07-20 19:31:16,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:16,199 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 1 more)] === [2024-07-20 19:31:16,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:16,199 INFO L85 PathProgramCache]: Analyzing trace with hash 885383116, now seen corresponding path program 6 times [2024-07-20 19:31:16,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:16,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291063146] [2024-07-20 19:31:16,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:16,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 93 proven. 48 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-07-20 19:31:16,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:16,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291063146] [2024-07-20 19:31:16,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291063146] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:31:16,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500878809] [2024-07-20 19:31:16,639 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-20 19:31:16,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:16,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:16,652 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 19:31:16,678 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 19:31:16,866 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-07-20 19:31:16,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:31:16,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 17 conjunts are in the unsatisfiable core [2024-07-20 19:31:16,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:31:17,192 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 95 proven. 41 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-07-20 19:31:17,193 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:31:17,533 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 121 proven. 15 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-07-20 19:31:17,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500878809] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:31:17,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:31:17,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 41 [2024-07-20 19:31:17,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53214202] [2024-07-20 19:31:17,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:31:17,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-07-20 19:31:17,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:31:17,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-07-20 19:31:17,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=1410, Unknown=0, NotChecked=0, Total=1722 [2024-07-20 19:31:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:17,535 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:31:17,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 3.6904761904761907) internal successors, (155), 41 states have internal predecessors, (155), 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 19:31:17,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:17,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:17,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:17,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:17,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:17,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:17,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:17,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:17,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:17,774 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 19:31:17,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-07-20 19:31:17,972 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 1 more)] === [2024-07-20 19:31:17,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:17,973 INFO L85 PathProgramCache]: Analyzing trace with hash -971813181, now seen corresponding path program 7 times [2024-07-20 19:31:17,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:17,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343864016] [2024-07-20 19:31:17,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:17,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 37 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-07-20 19:31:18,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:18,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343864016] [2024-07-20 19:31:18,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343864016] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:31:18,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121301866] [2024-07-20 19:31:18,418 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-20 19:31:18,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:18,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:18,420 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 19:31:18,452 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 19:31:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:18,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 19 conjunts are in the unsatisfiable core [2024-07-20 19:31:18,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:31:18,948 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 105 proven. 37 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-07-20 19:31:18,948 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:31:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 121 proven. 21 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-07-20 19:31:19,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121301866] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:31:19,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:31:19,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 46 [2024-07-20 19:31:19,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837771278] [2024-07-20 19:31:19,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:31:19,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-07-20 19:31:19,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:31:19,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-07-20 19:31:19,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=401, Invalid=1761, Unknown=0, NotChecked=0, Total=2162 [2024-07-20 19:31:19,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:19,329 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:31:19,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.765957446808511) internal successors, (177), 46 states have internal predecessors, (177), 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 19:31:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:19,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:19,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:19,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:19,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:19,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:19,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:19,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:19,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:31:19,624 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 19:31:19,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:19,799 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 1 more)] === [2024-07-20 19:31:19,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:19,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1079930284, now seen corresponding path program 8 times [2024-07-20 19:31:19,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:19,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782087702] [2024-07-20 19:31:19,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:19,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:20,307 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 101 proven. 53 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-07-20 19:31:20,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:20,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782087702] [2024-07-20 19:31:20,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782087702] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:31:20,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354678366] [2024-07-20 19:31:20,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 19:31:20,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:20,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:20,311 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 19:31:20,312 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 19:31:20,455 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 19:31:20,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:31:20,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 21 conjunts are in the unsatisfiable core [2024-07-20 19:31:20,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:31:20,916 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 117 proven. 37 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-07-20 19:31:20,916 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:31:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 126 proven. 28 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-07-20 19:31:21,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354678366] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:31:21,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:31:21,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 52 [2024-07-20 19:31:21,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965451307] [2024-07-20 19:31:21,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:31:21,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-07-20 19:31:21,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:31:21,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-07-20 19:31:21,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=559, Invalid=2197, Unknown=0, NotChecked=0, Total=2756 [2024-07-20 19:31:21,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:21,371 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:31:21,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 3.0754716981132075) internal successors, (163), 52 states have internal predecessors, (163), 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 19:31:21,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:21,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:21,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:21,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:21,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:21,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:21,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:21,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:31:21,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:21,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:21,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:21,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:21,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:21,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:21,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:21,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:21,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:31:21,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:21,633 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 19:31:21,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:21,821 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 1 more)] === [2024-07-20 19:31:21,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:21,822 INFO L85 PathProgramCache]: Analyzing trace with hash 561126115, now seen corresponding path program 9 times [2024-07-20 19:31:21,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:21,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546732224] [2024-07-20 19:31:21,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:21,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 21 proven. 158 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-07-20 19:31:22,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:22,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546732224] [2024-07-20 19:31:22,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546732224] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:31:22,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309373768] [2024-07-20 19:31:22,277 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-20 19:31:22,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:22,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:22,293 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 19:31:22,316 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 19:31:22,752 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-07-20 19:31:22,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:31:22,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 20 conjunts are in the unsatisfiable core [2024-07-20 19:31:22,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:31:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 28 proven. 151 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-07-20 19:31:23,118 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:31:23,381 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 36 proven. 143 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-07-20 19:31:23,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309373768] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:31:23,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:31:23,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 45 [2024-07-20 19:31:23,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019674029] [2024-07-20 19:31:23,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:31:23,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-07-20 19:31:23,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:31:23,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-07-20 19:31:23,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=478, Invalid=1502, Unknown=0, NotChecked=0, Total=1980 [2024-07-20 19:31:23,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:23,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:31:23,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.8444444444444446) internal successors, (173), 45 states have internal predecessors, (173), 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 19:31:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:31:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:23,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:31:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:31:23,722 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 19:31:23,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-07-20 19:31:23,908 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 1 more)] === [2024-07-20 19:31:23,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:23,908 INFO L85 PathProgramCache]: Analyzing trace with hash -2137875229, now seen corresponding path program 10 times [2024-07-20 19:31:23,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:23,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875423065] [2024-07-20 19:31:23,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:23,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:24,593 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 354 proven. 78 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-07-20 19:31:24,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:24,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875423065] [2024-07-20 19:31:24,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875423065] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:31:24,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237799063] [2024-07-20 19:31:24,594 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-20 19:31:24,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:24,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:24,596 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 19:31:24,604 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 19:31:24,725 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-20 19:31:24,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:31:24,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 33 conjunts are in the unsatisfiable core [2024-07-20 19:31:24,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:31:25,695 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 413 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-07-20 19:31:25,696 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:31:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 238 proven. 175 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-07-20 19:31:26,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237799063] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:31:26,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:31:26,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 34, 27] total 80 [2024-07-20 19:31:26,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288749135] [2024-07-20 19:31:26,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:31:26,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-07-20 19:31:26,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:31:26,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-07-20 19:31:26,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=841, Invalid=5479, Unknown=0, NotChecked=0, Total=6320 [2024-07-20 19:31:26,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:26,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:31:26,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.8625) internal successors, (309), 80 states have internal predecessors, (309), 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 19:31:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:31:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:31:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:30,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:30,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:30,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:30,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:31:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:31:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-07-20 19:31:30,900 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 19:31:31,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:31,099 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 1 more)] === [2024-07-20 19:31:31,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:31,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1455581683, now seen corresponding path program 11 times [2024-07-20 19:31:31,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:31,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873194420] [2024-07-20 19:31:31,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:31,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:33,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 589 proven. 418 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-07-20 19:31:33,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:33,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873194420] [2024-07-20 19:31:33,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873194420] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:31:33,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084493338] [2024-07-20 19:31:33,653 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-20 19:31:33,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:33,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:33,655 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 19:31:33,658 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 19:31:40,188 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-07-20 19:31:40,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:31:40,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 24 conjunts are in the unsatisfiable core [2024-07-20 19:31:40,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:31:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 817 proven. 45 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-07-20 19:31:41,045 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:31:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 817 proven. 45 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-07-20 19:31:41,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084493338] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:31:41,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:31:41,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 22, 22] total 98 [2024-07-20 19:31:41,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876477888] [2024-07-20 19:31:41,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:31:41,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-07-20 19:31:41,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:31:41,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-07-20 19:31:41,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1369, Invalid=8333, Unknown=0, NotChecked=0, Total=9702 [2024-07-20 19:31:41,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:41,969 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:31:41,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 3.757575757575758) internal successors, (372), 98 states have internal predecessors, (372), 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 19:31:41,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:41,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:41,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:31:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:31:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-07-20 19:31:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:42,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:42,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:42,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:42,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:42,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:42,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:42,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:42,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:31:42,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:42,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:31:42,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-07-20 19:31:42,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:31:42,313 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 19:31:42,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-07-20 19:31:42,509 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 1 more)] === [2024-07-20 19:31:42,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:42,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1701056650, now seen corresponding path program 12 times [2024-07-20 19:31:42,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:42,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631287526] [2024-07-20 19:31:42,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:42,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:45,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 589 proven. 428 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-07-20 19:31:45,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:45,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631287526] [2024-07-20 19:31:45,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631287526] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:31:45,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139108934] [2024-07-20 19:31:45,065 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-20 19:31:45,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:45,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:45,066 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 19:31:45,067 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 19:31:46,369 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-07-20 19:31:46,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:31:46,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 27 conjunts are in the unsatisfiable core [2024-07-20 19:31:46,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:31:47,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 554 proven. 83 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-07-20 19:31:47,393 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:31:48,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 582 proven. 55 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-07-20 19:31:48,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139108934] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:31:48,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:31:48,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 25, 25] total 105 [2024-07-20 19:31:48,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896562866] [2024-07-20 19:31:48,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:31:48,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-07-20 19:31:48,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:31:48,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-07-20 19:31:48,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1522, Invalid=9608, Unknown=0, NotChecked=0, Total=11130 [2024-07-20 19:31:48,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:48,350 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:31:48,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 2.8867924528301887) internal successors, (306), 105 states have internal predecessors, (306), 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 19:31:48,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:48,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:48,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:48,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:48,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:48,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:48,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:48,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:31:48,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:48,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:31:48,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-07-20 19:31:48,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:31:48,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:48,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:48,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:48,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:48,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:48,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:48,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:48,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:48,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:31:48,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:48,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:31:48,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-07-20 19:31:48,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:31:48,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-20 19:31:48,594 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 19:31:48,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-07-20 19:31:48,792 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 1 more)] === [2024-07-20 19:31:48,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:48,793 INFO L85 PathProgramCache]: Analyzing trace with hash 69792813, now seen corresponding path program 13 times [2024-07-20 19:31:48,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:48,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814748689] [2024-07-20 19:31:48,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:48,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 589 proven. 439 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-07-20 19:31:51,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:51,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814748689] [2024-07-20 19:31:51,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814748689] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:31:51,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251434395] [2024-07-20 19:31:51,005 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-20 19:31:51,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:51,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:51,006 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 19:31:51,008 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 19:31:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:51,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 29 conjunts are in the unsatisfiable core [2024-07-20 19:31:51,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:31:52,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 594 proven. 81 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-07-20 19:31:52,154 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:31:53,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 609 proven. 66 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-07-20 19:31:53,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251434395] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:31:53,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:31:53,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 27, 27] total 110 [2024-07-20 19:31:53,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231318617] [2024-07-20 19:31:53,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:31:53,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2024-07-20 19:31:53,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:31:53,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2024-07-20 19:31:53,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1676, Invalid=10534, Unknown=0, NotChecked=0, Total=12210 [2024-07-20 19:31:53,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:53,397 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:31:53,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 2.8378378378378377) internal successors, (315), 110 states have internal predecessors, (315), 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 19:31:53,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:53,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:53,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:53,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:53,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:53,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:53,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:53,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:31:53,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:53,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:31:53,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-07-20 19:31:53,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:31:53,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-20 19:31:53,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:31:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:31:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-07-20 19:31:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:31:53,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-20 19:31:53,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-20 19:31:53,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-07-20 19:31:53,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-07-20 19:31:53,930 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 1 more)] === [2024-07-20 19:31:53,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:53,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1273727146, now seen corresponding path program 14 times [2024-07-20 19:31:53,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:53,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118317189] [2024-07-20 19:31:53,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:53,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:54,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 852 proven. 144 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-07-20 19:31:54,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:54,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118317189] [2024-07-20 19:31:54,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118317189] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:31:54,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216939242] [2024-07-20 19:31:54,948 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 19:31:54,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:54,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:54,952 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 19:31:55,004 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 19:31:55,256 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 19:31:55,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:31:55,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 31 conjunts are in the unsatisfiable core [2024-07-20 19:31:55,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:31:56,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 625 proven. 112 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-07-20 19:31:56,106 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:31:56,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 659 proven. 78 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-07-20 19:31:56,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216939242] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:31:56,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:31:56,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29, 29] total 84 [2024-07-20 19:31:56,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976044509] [2024-07-20 19:31:56,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:31:56,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-07-20 19:31:56,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:31:56,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-07-20 19:31:56,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1255, Invalid=5885, Unknown=0, NotChecked=0, Total=7140 [2024-07-20 19:31:56,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:56,820 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:31:56,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 3.552941176470588) internal successors, (302), 84 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:31:56,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:56,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:56,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:56,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:56,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:56,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:56,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:56,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:31:56,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:56,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:31:56,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-07-20 19:31:56,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:31:56,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-20 19:31:56,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-20 19:31:56,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:31:57,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:31:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:31:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:31:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:31:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:31:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:31:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:31:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:31:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-07-20 19:31:57,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:31:57,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-20 19:31:57,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-20 19:31:57,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-20 19:31:57,150 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 19:31:57,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:57,343 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 1 more)] === [2024-07-20 19:31:57,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:31:57,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1396247117, now seen corresponding path program 15 times [2024-07-20 19:31:57,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:31:57,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833349299] [2024-07-20 19:31:57,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:31:57,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:31:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:31:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 589 proven. 464 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-07-20 19:31:59,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:31:59,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833349299] [2024-07-20 19:31:59,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833349299] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:31:59,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896529430] [2024-07-20 19:31:59,904 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-20 19:31:59,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:31:59,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:31:59,905 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 19:31:59,912 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 19:32:01,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2024-07-20 19:32:01,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:32:01,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 33 conjunts are in the unsatisfiable core [2024-07-20 19:32:01,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:32:02,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 785 proven. 224 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-07-20 19:32:02,717 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:32:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 918 proven. 91 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-07-20 19:32:03,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896529430] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:32:03,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:32:03,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 31, 31] total 120 [2024-07-20 19:32:03,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303716815] [2024-07-20 19:32:03,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:32:03,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2024-07-20 19:32:03,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:32:03,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2024-07-20 19:32:03,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1945, Invalid=12575, Unknown=0, NotChecked=0, Total=14520 [2024-07-20 19:32:03,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:32:03,687 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:32:03,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 3.5371900826446283) internal successors, (428), 120 states have internal predecessors, (428), 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 19:32:03,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:32:03,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:32:03,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:32:03,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:32:03,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:32:03,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:32:03,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:32:03,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:32:03,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:32:03,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:32:03,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-07-20 19:32:03,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:32:03,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-20 19:32:03,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-20 19:32:03,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-07-20 19:32:03,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:32:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:32:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:32:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:32:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:32:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:32:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:32:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:32:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:32:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:32:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:32:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-07-20 19:32:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:32:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-20 19:32:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-20 19:32:04,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-20 19:32:04,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:32:04,102 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 19:32:04,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-07-20 19:32:04,296 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 1 more)] === [2024-07-20 19:32:04,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:32:04,297 INFO L85 PathProgramCache]: Analyzing trace with hash 18761526, now seen corresponding path program 16 times [2024-07-20 19:32:04,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:32:04,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111582743] [2024-07-20 19:32:04,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:32:04,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:32:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:32:06,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 589 proven. 478 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-07-20 19:32:06,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:32:06,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111582743] [2024-07-20 19:32:06,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111582743] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:32:06,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106658703] [2024-07-20 19:32:06,493 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-20 19:32:06,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:32:06,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:32:06,494 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 19:32:06,496 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 19:32:06,676 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-20 19:32:06,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:32:06,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 48 conjunts are in the unsatisfiable core [2024-07-20 19:32:06,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:32:08,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 16 proven. 946 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-07-20 19:32:08,607 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:32:10,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 588 proven. 374 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-07-20 19:32:10,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106658703] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:32:10,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:32:10,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 49, 38] total 147 [2024-07-20 19:32:10,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843997373] [2024-07-20 19:32:10,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:32:10,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2024-07-20 19:32:10,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:32:10,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2024-07-20 19:32:10,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2362, Invalid=19100, Unknown=0, NotChecked=0, Total=21462 [2024-07-20 19:32:10,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:32:10,563 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:32:10,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 3.108843537414966) internal successors, (457), 147 states have internal predecessors, (457), 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 19:32:10,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:32:10,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:32:10,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:32:10,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:32:10,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:32:10,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:32:10,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:32:10,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:32:10,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:32:10,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:32:10,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-07-20 19:32:10,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:32:10,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-20 19:32:10,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-20 19:32:10,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-07-20 19:32:10,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:32:10,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:32:18,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:32:18,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-20 19:32:18,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:32:18,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:32:18,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-20 19:32:18,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:32:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:32:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:32:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-20 19:32:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:32:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-07-20 19:32:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:32:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-20 19:32:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-20 19:32:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-20 19:32:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-20 19:32:18,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-07-20 19:32:19,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-07-20 19:32:19,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-07-20 19:32:19,200 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 1 more)] === [2024-07-20 19:32:19,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:32:19,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1211154460, now seen corresponding path program 17 times [2024-07-20 19:32:19,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:32:19,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213726027] [2024-07-20 19:32:19,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:32:19,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:32:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:32:23,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2589 backedges. 2003 proven. 466 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-07-20 19:32:23,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:32:23,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213726027] [2024-07-20 19:32:23,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213726027] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:32:23,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982055977] [2024-07-20 19:32:23,826 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-20 19:32:23,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:32:23,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:32:23,827 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 19:32:23,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process Killed by 15