./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i -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 d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 08:37:32,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 08:37:32,524 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 08:37:32,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 08:37:32,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 08:37:32,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 08:37:32,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 08:37:32,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 08:37:32,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 08:37:32,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 08:37:32,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 08:37:32,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 08:37:32,545 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 08:37:32,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 08:37:32,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 08:37:32,545 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 08:37:32,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 08:37:32,546 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 08:37:32,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 08:37:32,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 08:37:32,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 08:37:32,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 08:37:32,547 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 08:37:32,547 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 08:37:32,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 08:37:32,548 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 08:37:32,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 08:37:32,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 08:37:32,548 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 08:37:32,549 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 08:37:32,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 08:37:32,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 08:37:32,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 08:37:32,549 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 08:37:32,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 08:37:32,550 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 08:37:32,550 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 08:37:32,550 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 08:37:32,550 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 08:37:32,551 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 08:37:32,551 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 08:37:32,551 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-10-18 08:37:32,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 08:37:32,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 08:37:32,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 08:37:32,750 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 08:37:32,751 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 08:37:32,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-10-18 08:37:34,188 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 08:37:34,405 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 08:37:34,405 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-10-18 08:37:34,419 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5ccf6a971/69ff96a158fa4d47ad980e7deeb88ea4/FLAGf942694f3 [2024-10-18 08:37:34,431 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5ccf6a971/69ff96a158fa4d47ad980e7deeb88ea4 [2024-10-18 08:37:34,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 08:37:34,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 08:37:34,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 08:37:34,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 08:37:34,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 08:37:34,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:37:34" (1/1) ... [2024-10-18 08:37:34,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c593ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:37:34, skipping insertion in model container [2024-10-18 08:37:34,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:37:34" (1/1) ... [2024-10-18 08:37:34,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 08:37:34,622 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2024-10-18 08:37:34,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 08:37:34,895 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 08:37:34,909 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2024-10-18 08:37:34,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 08:37:35,117 INFO L204 MainTranslator]: Completed translation [2024-10-18 08:37:35,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:37:35 WrapperNode [2024-10-18 08:37:35,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 08:37:35,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 08:37:35,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 08:37:35,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 08:37:35,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:37:35" (1/1) ... [2024-10-18 08:37:35,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:37:35" (1/1) ... [2024-10-18 08:37:35,166 INFO L138 Inliner]: procedures = 271, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2024-10-18 08:37:35,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 08:37:35,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 08:37:35,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 08:37:35,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 08:37:35,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:37:35" (1/1) ... [2024-10-18 08:37:35,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:37:35" (1/1) ... [2024-10-18 08:37:35,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:37:35" (1/1) ... [2024-10-18 08:37:35,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:37:35" (1/1) ... [2024-10-18 08:37:35,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:37:35" (1/1) ... [2024-10-18 08:37:35,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:37:35" (1/1) ... [2024-10-18 08:37:35,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:37:35" (1/1) ... [2024-10-18 08:37:35,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:37:35" (1/1) ... [2024-10-18 08:37:35,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 08:37:35,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 08:37:35,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 08:37:35,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 08:37:35,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:37:35" (1/1) ... [2024-10-18 08:37:35,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 08:37:35,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 08:37:35,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 08:37:35,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 08:37:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2024-10-18 08:37:35,263 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2024-10-18 08:37:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-18 08:37:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-18 08:37:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 08:37:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2024-10-18 08:37:35,264 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2024-10-18 08:37:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure process [2024-10-18 08:37:35,264 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2024-10-18 08:37:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 08:37:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 08:37:35,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 08:37:35,266 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 08:37:35,466 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 08:37:35,467 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 08:37:35,643 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 08:37:35,643 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 08:37:35,753 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 08:37:35,754 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-18 08:37:35,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:37:35 BoogieIcfgContainer [2024-10-18 08:37:35,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 08:37:35,755 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 08:37:35,755 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 08:37:35,759 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 08:37:35,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 08:37:34" (1/3) ... [2024-10-18 08:37:35,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa0677e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:37:35, skipping insertion in model container [2024-10-18 08:37:35,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:37:35" (2/3) ... [2024-10-18 08:37:35,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa0677e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:37:35, skipping insertion in model container [2024-10-18 08:37:35,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:37:35" (3/3) ... [2024-10-18 08:37:35,763 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2024-10-18 08:37:35,776 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 08:37:35,776 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-18 08:37:35,777 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 08:37:35,819 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 08:37:35,858 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 08:37:35,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 08:37:35,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 08:37:35,860 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 08:37:35,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 08:37:35,962 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 08:37:35,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:35,976 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == disposeThread1of1ForFork2 ======== [2024-10-18 08:37:35,982 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@656a367e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 08:37:35,982 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 08:37:37,440 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 08:37:37,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:37,441 INFO L85 PathProgramCache]: Analyzing trace with hash 758845637, now seen corresponding path program 1 times [2024-10-18 08:37:37,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:37,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939881196] [2024-10-18 08:37:37,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:37,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-18 08:37:37,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:37,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939881196] [2024-10-18 08:37:37,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939881196] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:37:37,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:37:37,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 08:37:37,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070640771] [2024-10-18 08:37:37,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:37:37,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 08:37:37,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:37,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 08:37:37,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 08:37:37,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:37,856 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:37,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:37:37,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:38,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:38,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 08:37:38,219 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 08:37:38,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:38,220 INFO L85 PathProgramCache]: Analyzing trace with hash 809496849, now seen corresponding path program 1 times [2024-10-18 08:37:38,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:38,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318302860] [2024-10-18 08:37:38,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:38,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:38,483 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-18 08:37:38,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:38,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318302860] [2024-10-18 08:37:38,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318302860] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:37:38,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:37:38,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 08:37:38,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150223899] [2024-10-18 08:37:38,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:37:38,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 08:37:38,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:38,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 08:37:38,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 08:37:38,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:38,510 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:38,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 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) [2024-10-18 08:37:38,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:38,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:38,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:38,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:38,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-18 08:37:38,778 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 08:37:38,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:38,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1520581357, now seen corresponding path program 1 times [2024-10-18 08:37:38,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:38,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561017115] [2024-10-18 08:37:38,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:38,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:38,887 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-18 08:37:38,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:38,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561017115] [2024-10-18 08:37:38,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561017115] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:37:38,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:37:38,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 08:37:38,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768510715] [2024-10-18 08:37:38,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:37:38,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 08:37:38,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:38,998 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 08:37:38,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-10-18 08:37:39,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1696948253, now seen corresponding path program 1 times [2024-10-18 08:37:39,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:39,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:39,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-18 08:37:39,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:39,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-18 08:37:39,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 08:37:39,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 08:37:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:39,329 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:39,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:37:39,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:39,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:39,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:40,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:40,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:40,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2 [2024-10-18 08:37:40,046 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 08:37:40,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:40,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1722368473, now seen corresponding path program 1 times [2024-10-18 08:37:40,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:40,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592694647] [2024-10-18 08:37:40,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:40,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:40,262 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-10-18 08:37:40,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:40,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592694647] [2024-10-18 08:37:40,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592694647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:37:40,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:37:40,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 08:37:40,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197057736] [2024-10-18 08:37:40,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:37:40,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 08:37:40,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:40,423 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 08:37:40,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-10-18 08:37:40,462 INFO L85 PathProgramCache]: Analyzing trace with hash 4910200, now seen corresponding path program 1 times [2024-10-18 08:37:40,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:40,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 08:37:40,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:40,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 08:37:40,956 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 08:37:40,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-10-18 08:37:41,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1559334382, now seen corresponding path program 1 times [2024-10-18 08:37:41,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:41,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:41,281 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-18 08:37:41,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:41,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:41,449 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-18 08:37:41,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 08:37:41,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-18 08:37:41,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:41,457 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:41,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:37:41,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:41,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:41,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:41,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:42,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable9 [2024-10-18 08:37:42,573 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 08:37:42,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:42,574 INFO L85 PathProgramCache]: Analyzing trace with hash -579610683, now seen corresponding path program 2 times [2024-10-18 08:37:42,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:42,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557006161] [2024-10-18 08:37:42,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:42,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:42,674 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-10-18 08:37:42,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:42,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557006161] [2024-10-18 08:37:42,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557006161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:37:42,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:37:42,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 08:37:42,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392487893] [2024-10-18 08:37:42,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:37:42,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 08:37:42,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:42,753 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 08:37:42,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-10-18 08:37:42,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1960853036, now seen corresponding path program 1 times [2024-10-18 08:37:42,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:42,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:42,889 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 08:37:42,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:42,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:42,958 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 08:37:43,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-10-18 08:37:43,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1540296934, now seen corresponding path program 1 times [2024-10-18 08:37:43,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:43,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-18 08:37:43,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:43,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:43,451 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-18 08:37:43,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 08:37:43,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 08:37:43,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:43,508 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:43,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:37:43,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:43,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:43,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:43,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:43,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:43,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:43,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:43,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:43,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:43,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-10-18 08:37:43,778 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 08:37:43,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:43,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1481949911, now seen corresponding path program 1 times [2024-10-18 08:37:43,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:43,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310866289] [2024-10-18 08:37:43,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:43,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:43,965 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-10-18 08:37:43,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:43,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310866289] [2024-10-18 08:37:43,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310866289] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:37:43,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:37:43,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 08:37:43,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952167450] [2024-10-18 08:37:43,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:37:43,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 08:37:43,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:44,049 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 08:37:44,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 568 treesize of output 520 [2024-10-18 08:37:44,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1960853014, now seen corresponding path program 1 times [2024-10-18 08:37:44,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:44,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 08:37:44,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:44,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:44,308 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 08:37:44,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 08:37:44,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-18 08:37:44,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:44,447 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:44,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:37:44,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:44,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:44,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:44,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:44,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:44,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:44,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:44,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:44,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:44,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:44,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:44,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:37:44,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-18 08:37:44,716 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 08:37:44,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:44,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1575464623, now seen corresponding path program 2 times [2024-10-18 08:37:44,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:44,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807793232] [2024-10-18 08:37:44,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:44,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 244 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-10-18 08:37:44,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:44,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807793232] [2024-10-18 08:37:44,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807793232] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 08:37:44,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691379931] [2024-10-18 08:37:44,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 08:37:44,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 08:37:44,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 08:37:44,910 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 08:37:44,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 08:37:45,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 08:37:45,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 08:37:45,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-18 08:37:45,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 08:37:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-10-18 08:37:45,183 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 08:37:45,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691379931] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:37:45,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 08:37:45,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-10-18 08:37:45,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4361557] [2024-10-18 08:37:45,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:37:45,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 08:37:45,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:45,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 08:37:45,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-18 08:37:45,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:45,261 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:45,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:37:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:37:45,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:45,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:45,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:45,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:45,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:45,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:45,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:37:45,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:45,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 08:37:45,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 08:37:45,526 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 08:37:45,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:45,527 INFO L85 PathProgramCache]: Analyzing trace with hash -726290004, now seen corresponding path program 1 times [2024-10-18 08:37:45,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:45,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747079863] [2024-10-18 08:37:45,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:45,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:45,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 08:37:45,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:45,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747079863] [2024-10-18 08:37:45,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747079863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:37:45,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:37:45,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-18 08:37:45,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046907310] [2024-10-18 08:37:45,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:37:45,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 08:37:45,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:45,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 08:37:45,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-18 08:37:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:45,693 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:45,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:37:45,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:45,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:45,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:45,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:45,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:45,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:37:45,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:45,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:37:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 08:37:46,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-18 08:37:46,150 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 08:37:46,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:46,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1012482869, now seen corresponding path program 1 times [2024-10-18 08:37:46,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:46,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76021630] [2024-10-18 08:37:46,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:46,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:46,491 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-10-18 08:37:46,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:46,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76021630] [2024-10-18 08:37:46,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76021630] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:37:46,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:37:46,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 08:37:46,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68595938] [2024-10-18 08:37:46,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:37:46,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 08:37:46,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:46,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 08:37:46,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-18 08:37:46,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:46,594 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:46,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:37:46,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:46,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:46,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:46,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:46,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:46,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:37:46,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:46,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 08:37:46,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:47,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:47,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:47,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:47,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:47,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:47,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:37:47,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:37:47,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 08:37:47,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:47,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-18 08:37:47,831 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 08:37:47,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:47,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1347585195, now seen corresponding path program 1 times [2024-10-18 08:37:47,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:47,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635416646] [2024-10-18 08:37:47,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:47,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1642 backedges. 907 proven. 0 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2024-10-18 08:37:47,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:47,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635416646] [2024-10-18 08:37:47,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635416646] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:37:47,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:37:47,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 08:37:47,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168513532] [2024-10-18 08:37:47,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:37:47,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 08:37:47,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:48,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1236097995, now seen corresponding path program 1 times [2024-10-18 08:37:48,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:48,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:48,837 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-18 08:37:48,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:48,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:49,246 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-18 08:37:49,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 08:37:49,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-18 08:37:49,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:49,247 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:49,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:37:49,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:49,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:49,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:49,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:49,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:49,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:37:49,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:37:49,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 08:37:49,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:49,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:54,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:54,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:54,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:37:54,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:54,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:54,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:37:54,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:37:54,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 08:37:54,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:54,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 08:37:54,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location disposeErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-18 08:37:54,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23 [2024-10-18 08:37:54,065 INFO L414 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-18 08:37:54,066 INFO L312 ceAbstractionStarter]: Result for error location disposeThread1of1ForFork2 was SAFE (1/2) [2024-10-18 08:37:54,069 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 08:37:54,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 08:37:54,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 08:37:54,071 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 08:37:54,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-10-18 08:37:54,123 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 08:37:54,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:54,124 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 08:37:54,124 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@656a367e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 08:37:54,124 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 08:37:54,794 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 08:37:54,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:54,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1224123986, now seen corresponding path program 1 times [2024-10-18 08:37:54,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:54,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941256140] [2024-10-18 08:37:54,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:54,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:54,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 08:37:54,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:54,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941256140] [2024-10-18 08:37:54,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941256140] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:37:54,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:37:54,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 08:37:54,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473287704] [2024-10-18 08:37:54,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:37:54,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 08:37:54,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:54,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 08:37:54,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 08:37:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:54,838 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:54,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:37:54,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:55,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:55,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-18 08:37:55,064 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 08:37:55,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:55,064 INFO L85 PathProgramCache]: Analyzing trace with hash -943926102, now seen corresponding path program 1 times [2024-10-18 08:37:55,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:55,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199122111] [2024-10-18 08:37:55,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:55,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:55,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 08:37:55,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:55,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199122111] [2024-10-18 08:37:55,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199122111] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:37:55,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:37:55,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 08:37:55,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007743232] [2024-10-18 08:37:55,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:37:55,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 08:37:55,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:55,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 08:37:55,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 08:37:55,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:55,177 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:55,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:37:55,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:55,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:55,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:55,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:37:55,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-18 08:37:55,599 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 08:37:55,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:55,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1893016411, now seen corresponding path program 1 times [2024-10-18 08:37:55,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:55,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601408825] [2024-10-18 08:37:55,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:55,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:55,657 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 08:37:55,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:55,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601408825] [2024-10-18 08:37:55,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601408825] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:37:55,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:37:55,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 08:37:55,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905022058] [2024-10-18 08:37:55,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:37:55,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 08:37:55,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:55,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 08:37:55,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 08:37:55,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:55,670 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:55,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:37:55,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:55,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:37:55,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:55,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:37:55,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:55,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-18 08:37:55,800 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 08:37:55,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:55,800 INFO L85 PathProgramCache]: Analyzing trace with hash -571744892, now seen corresponding path program 2 times [2024-10-18 08:37:55,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:55,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419830418] [2024-10-18 08:37:55,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:55,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 08:37:55,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:55,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419830418] [2024-10-18 08:37:55,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419830418] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:37:55,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:37:55,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 08:37:55,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301969005] [2024-10-18 08:37:55,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:37:55,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 08:37:55,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:55,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 08:37:55,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-18 08:37:55,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:55,952 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:55,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:37:55,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:55,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:37:55,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:55,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:56,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:56,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:37:56,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:56,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:56,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-18 08:37:56,334 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 08:37:56,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:56,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1302543547, now seen corresponding path program 1 times [2024-10-18 08:37:56,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:56,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119507858] [2024-10-18 08:37:56,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:56,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:56,504 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-18 08:37:56,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:56,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119507858] [2024-10-18 08:37:56,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119507858] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:37:56,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:37:56,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-18 08:37:56,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503162843] [2024-10-18 08:37:56,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:37:56,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 08:37:56,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:56,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 08:37:56,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-18 08:37:56,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:56,586 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:56,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:37:56,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:56,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:37:56,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:56,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:56,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:57,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:57,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:37:57,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:57,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:57,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:37:57,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-18 08:37:57,046 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 08:37:57,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:57,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1954216049, now seen corresponding path program 1 times [2024-10-18 08:37:57,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:57,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351016076] [2024-10-18 08:37:57,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:57,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 129 proven. 87 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 08:37:57,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:57,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351016076] [2024-10-18 08:37:57,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351016076] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 08:37:57,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681481032] [2024-10-18 08:37:57,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:57,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 08:37:57,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 08:37:57,290 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 08:37:57,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 08:37:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:57,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-18 08:37:57,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 08:37:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 129 proven. 87 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 08:37:57,630 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 08:37:57,766 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 129 proven. 87 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 08:37:57,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681481032] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 08:37:57,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 08:37:57,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-18 08:37:57,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099328089] [2024-10-18 08:37:57,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 08:37:57,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-18 08:37:57,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:37:57,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-18 08:37:57,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-18 08:37:57,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:57,881 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:37:57,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 22.09090909090909) internal successors, (243), 11 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:37:57,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:57,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:37:57,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:57,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:57,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:37:57,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:37:58,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:58,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:37:58,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:37:58,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:37:58,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:37:58,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 08:37:58,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-18 08:37:58,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 08:37:58,343 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 08:37:58,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:37:58,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1232462854, now seen corresponding path program 2 times [2024-10-18 08:37:58,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:37:58,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139312575] [2024-10-18 08:37:58,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:37:58,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:37:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:37:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 584 proven. 1016 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-18 08:37:59,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:37:59,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139312575] [2024-10-18 08:37:59,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139312575] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 08:37:59,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39721900] [2024-10-18 08:37:59,241 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 08:37:59,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 08:37:59,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 08:37:59,243 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 08:37:59,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 08:37:59,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 08:37:59,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 08:37:59,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-18 08:37:59,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 08:37:59,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 584 proven. 1016 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-18 08:37:59,828 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 08:38:00,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 584 proven. 1016 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-18 08:38:00,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39721900] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 08:38:00,171 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 08:38:00,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-10-18 08:38:00,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58378058] [2024-10-18 08:38:00,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 08:38:00,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-18 08:38:00,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:38:00,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-18 08:38:00,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-10-18 08:38:00,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:00,380 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:38:00,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 30.523809523809526) internal successors, (641), 21 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:38:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:38:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:38:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:38:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:38:00,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 08:38:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:01,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:38:01,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:38:01,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:38:01,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:01,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:38:01,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 08:38:01,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 08:38:01,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-18 08:38:01,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-10-18 08:38:01,238 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 08:38:01,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:38:01,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1305103568, now seen corresponding path program 3 times [2024-10-18 08:38:01,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:38:01,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152741532] [2024-10-18 08:38:01,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:38:01,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:38:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:38:02,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6908 backedges. 1314 proven. 5526 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-18 08:38:02,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:38:02,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152741532] [2024-10-18 08:38:02,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152741532] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 08:38:02,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449882136] [2024-10-18 08:38:02,779 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 08:38:02,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 08:38:02,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 08:38:02,781 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 08:38:02,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 08:38:03,141 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-18 08:38:03,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 08:38:03,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 08:38:03,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 08:38:04,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-18 08:38:04,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 08:38:04,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-18 08:38:04,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 08:38:04,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-18 08:38:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6908 backedges. 534 proven. 59 refuted. 0 times theorem prover too weak. 6315 trivial. 0 not checked. [2024-10-18 08:38:04,822 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 08:38:04,950 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 08:38:04,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-10-18 08:38:04,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-10-18 08:38:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6908 backedges. 534 proven. 59 refuted. 0 times theorem prover too weak. 6315 trivial. 0 not checked. [2024-10-18 08:38:05,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449882136] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 08:38:05,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 08:38:05,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 4, 4] total 27 [2024-10-18 08:38:05,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522068263] [2024-10-18 08:38:05,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 08:38:05,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-18 08:38:05,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:38:06,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-18 08:38:06,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=471, Unknown=1, NotChecked=0, Total=702 [2024-10-18 08:38:06,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:06,652 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:38:06,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 29.814814814814813) internal successors, (805), 27 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:38:06,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:38:06,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:38:06,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:38:06,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:06,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:38:06,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 08:38:06,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 08:38:06,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:38:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:38:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:38:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 08:38:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 08:38:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 08:38:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-18 08:38:08,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-18 08:38:08,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 08:38:08,918 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 08:38:08,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:38:08,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1507367222, now seen corresponding path program 1 times [2024-10-18 08:38:08,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:38:08,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239244226] [2024-10-18 08:38:08,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:38:08,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:38:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:38:10,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6365 backedges. 5873 proven. 492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 08:38:10,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:38:10,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239244226] [2024-10-18 08:38:10,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239244226] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 08:38:10,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664007825] [2024-10-18 08:38:10,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:38:10,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 08:38:10,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 08:38:10,739 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 08:38:10,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 08:38:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:38:11,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 2501 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-18 08:38:11,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 08:38:11,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6365 backedges. 5112 proven. 0 refuted. 0 times theorem prover too weak. 1253 trivial. 0 not checked. [2024-10-18 08:38:11,593 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 08:38:11,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664007825] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:38:11,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 08:38:11,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [22] total 23 [2024-10-18 08:38:11,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283783179] [2024-10-18 08:38:11,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:38:11,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-18 08:38:11,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:38:11,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-18 08:38:11,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=272, Unknown=0, NotChecked=0, Total=506 [2024-10-18 08:38:11,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:11,829 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:38:11,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 32.69230769230769) internal successors, (425), 13 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:38:11,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:38:11,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:38:11,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:38:11,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:11,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 08:38:11,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 08:38:11,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 08:38:11,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-18 08:38:11,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:38:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:38:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:38:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 08:38:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 08:38:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 08:38:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-18 08:38:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 08:38:16,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-18 08:38:17,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-18 08:38:17,059 INFO L396 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)] === [2024-10-18 08:38:17,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:38:17,059 INFO L85 PathProgramCache]: Analyzing trace with hash -486239128, now seen corresponding path program 2 times [2024-10-18 08:38:17,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:38:17,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659533289] [2024-10-18 08:38:17,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:38:17,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:38:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:38:17,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4820 backedges. 534 proven. 2 refuted. 0 times theorem prover too weak. 4284 trivial. 0 not checked. [2024-10-18 08:38:17,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:38:17,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659533289] [2024-10-18 08:38:17,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659533289] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 08:38:17,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606522118] [2024-10-18 08:38:17,545 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 08:38:17,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 08:38:17,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 08:38:17,546 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 08:38:17,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 08:38:18,178 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 08:38:18,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 08:38:18,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 2111 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-18 08:38:18,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 08:38:18,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4820 backedges. 536 proven. 0 refuted. 0 times theorem prover too weak. 4284 trivial. 0 not checked. [2024-10-18 08:38:18,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 08:38:18,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606522118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:38:18,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 08:38:18,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-10-18 08:38:18,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337083336] [2024-10-18 08:38:18,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:38:18,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 08:38:18,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:38:18,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 08:38:18,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-18 08:38:18,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:18,850 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:38:18,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 08:38:18,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:38:18,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 08:38:18,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 08:38:18,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:18,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 08:38:18,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 08:38:18,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 08:38:18,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-18 08:38:18,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 08:38:18,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.