./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 COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking FORWARD -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 COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking FORWARD -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 [2024-10-17 18:22:53,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 18:22:53,993 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 18:22:53,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 18:22:53,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 18:22:54,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 18:22:54,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 18:22:54,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 18:22:54,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 18:22:54,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 18:22:54,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 18:22:54,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 18:22:54,040 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 18:22:54,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 18:22:54,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 18:22:54,041 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 18:22:54,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 18:22:54,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 18:22:54,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 18:22:54,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 18:22:54,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 18:22:54,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 18:22:54,045 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 18:22:54,045 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 18:22:54,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 18:22:54,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 18:22:54,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 18:22:54,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 18:22:54,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 18:22:54,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 18:22:54,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 18:22:54,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 18:22:54,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 18:22:54,048 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 18:22:54,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 18:22:54,049 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 18:22:54,049 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 18:22:54,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 18:22:54,050 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 18:22:54,050 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 18:22:54,050 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 18:22:54,050 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> FORWARD [2024-10-17 18:22:54,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 18:22:54,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 18:22:54,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 18:22:54,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 18:22:54,352 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 18:22:54,354 INFO L431 ainManager$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 [2024-10-17 18:22:55,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 18:22:56,181 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 18:22:56,182 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-10-17 18:22:56,207 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ced17e04c/051285ef78d842749554e6bfb45927b7/FLAGe69f542e4 [2024-10-17 18:22:56,463 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ced17e04c/051285ef78d842749554e6bfb45927b7 [2024-10-17 18:22:56,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 18:22:56,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 18:22:56,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 18:22:56,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 18:22:56,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 18:22:56,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 06:22:56" (1/1) ... [2024-10-17 18:22:56,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e90197a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:22:56, skipping insertion in model container [2024-10-17 18:22:56,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 06:22:56" (1/1) ... [2024-10-17 18:22:56,529 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 18:22:56,741 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] [2024-10-17 18:22:56,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 18:22:57,001 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 18:22:57,015 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] [2024-10-17 18:22:57,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 18:22:57,171 INFO L204 MainTranslator]: Completed translation [2024-10-17 18:22:57,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:22:57 WrapperNode [2024-10-17 18:22:57,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 18:22:57,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 18:22:57,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 18:22:57,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 18:22:57,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:22:57" (1/1) ... [2024-10-17 18:22:57,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:22:57" (1/1) ... [2024-10-17 18:22:57,240 INFO L138 Inliner]: procedures = 271, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2024-10-17 18:22:57,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 18:22:57,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 18:22:57,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 18:22:57,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 18:22:57,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:22:57" (1/1) ... [2024-10-17 18:22:57,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:22:57" (1/1) ... [2024-10-17 18:22:57,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:22:57" (1/1) ... [2024-10-17 18:22:57,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:22:57" (1/1) ... [2024-10-17 18:22:57,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:22:57" (1/1) ... [2024-10-17 18:22:57,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:22:57" (1/1) ... [2024-10-17 18:22:57,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:22:57" (1/1) ... [2024-10-17 18:22:57,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:22:57" (1/1) ... [2024-10-17 18:22:57,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 18:22:57,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 18:22:57,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 18:22:57,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 18:22:57,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:22:57" (1/1) ... [2024-10-17 18:22:57,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 18:22:57,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 18:22:57,339 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) [2024-10-17 18:22:57,342 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 [2024-10-17 18:22:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2024-10-17 18:22:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2024-10-17 18:22:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-17 18:22:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-17 18:22:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 18:22:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2024-10-17 18:22:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2024-10-17 18:22:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure process [2024-10-17 18:22:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2024-10-17 18:22:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 18:22:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 18:22:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 18:22:57,403 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 18:22:57,673 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 18:22:57,675 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 18:22:57,902 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 18:22:57,902 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 18:22:58,051 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 18:22:58,052 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-17 18:22:58,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 06:22:58 BoogieIcfgContainer [2024-10-17 18:22:58,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 18:22:58,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 18:22:58,056 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 18:22:58,059 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 18:22:58,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 06:22:56" (1/3) ... [2024-10-17 18:22:58,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450ee3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 06:22:58, skipping insertion in model container [2024-10-17 18:22:58,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:22:57" (2/3) ... [2024-10-17 18:22:58,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450ee3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 06:22:58, skipping insertion in model container [2024-10-17 18:22:58,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 06:22:58" (3/3) ... [2024-10-17 18:22:58,065 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2024-10-17 18:22:58,084 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 18:22:58,084 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-17 18:22:58,085 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 18:22:58,142 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-17 18:22:58,188 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 18:22:58,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 18:22:58,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 18:22:58,190 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) [2024-10-17 18:22:58,192 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 [2024-10-17 18:22:58,321 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 18:22:58,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:22:58,346 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == disposeThread1of1ForFork2 ======== [2024-10-17 18:22:58,354 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;@389562e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=FORWARD, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 18:22:58,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-17 18:23:00,030 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 18:23:00,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:00,107 INFO L85 PathProgramCache]: Analyzing trace with hash 758845637, now seen corresponding path program 1 times [2024-10-17 18:23:00,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 18:23:00,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351028103] [2024-10-17 18:23:00,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:00,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-17 18:23:00,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 18:23:00,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351028103] [2024-10-17 18:23:00,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351028103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 18:23:00,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 18:23:00,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 18:23:00,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584561081] [2024-10-17 18:23:00,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 18:23:00,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 18:23:00,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 18:23:00,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 18:23:00,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 18:23:00,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:00,638 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:00,640 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) [2024-10-17 18:23:00,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:01,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 18:23:01,154 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 18:23:01,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:01,220 INFO L85 PathProgramCache]: Analyzing trace with hash 809496849, now seen corresponding path program 1 times [2024-10-17 18:23:01,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 18:23:01,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375890889] [2024-10-17 18:23:01,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:01,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:01,555 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-17 18:23:01,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 18:23:01,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375890889] [2024-10-17 18:23:01,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375890889] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 18:23:01,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 18:23:01,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 18:23:01,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477214919] [2024-10-17 18:23:01,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 18:23:01,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 18:23:01,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 18:23:01,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 18:23:01,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 18:23:01,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:01,561 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:01,562 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) [2024-10-17 18:23:01,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:01,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:01,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:01,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:01,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-17 18:23:01,956 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 18:23:02,171 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-17 18:23:02,172 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 288 treesize of output 264 [2024-10-17 18:23:02,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1419433507, now seen corresponding path program 1 times [2024-10-17 18:23:02,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:02,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 18:23:02,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:02,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:02,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 18:23:02,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 18:23:02,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 18:23:02,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-17 18:23:02,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:02,734 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:02,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2024-10-17 18:23:02,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:02,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:02,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:03,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:03,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:03,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:03,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2 [2024-10-17 18:23:03,192 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 18:23:03,357 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-17 18:23:03,358 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 [2024-10-17 18:23:03,417 INFO L85 PathProgramCache]: Analyzing trace with hash 962028015, now seen corresponding path program 1 times [2024-10-17 18:23:03,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:03,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:03,602 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 18:23:03,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:03,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 18:23:03,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 18:23:03,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 18:23:03,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-17 18:23:03,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:03,784 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:03,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-10-17 18:23:03,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:03,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:03,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:03,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:04,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:04,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:04,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:04,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:04,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5 [2024-10-17 18:23:04,410 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 18:23:04,547 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-17 18:23:04,548 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 [2024-10-17 18:23:04,616 INFO L85 PathProgramCache]: Analyzing trace with hash 793747004, now seen corresponding path program 1 times [2024-10-17 18:23:04,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:04,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 18:23:04,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:04,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:04,929 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 18:23:05,020 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 1030 treesize of output 934 [2024-10-17 18:23:05,168 INFO L85 PathProgramCache]: Analyzing trace with hash 583774968, now seen corresponding path program 1 times [2024-10-17 18:23:05,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:05,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:05,376 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 18:23:05,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:05,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:05,549 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 18:23:05,627 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-17 18:23:05,627 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 [2024-10-17 18:23:05,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1987444327, now seen corresponding path program 1 times [2024-10-17 18:23:05,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:05,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-17 18:23:05,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:05,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:06,104 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-17 18:23:06,235 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 542 treesize of output 494 [2024-10-17 18:23:06,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1939354697, now seen corresponding path program 1 times [2024-10-17 18:23:06,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:06,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-17 18:23:06,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:06,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:06,697 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-17 18:23:06,801 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-17 18:23:06,802 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 [2024-10-17 18:23:06,850 INFO L85 PathProgramCache]: Analyzing trace with hash 698584533, now seen corresponding path program 1 times [2024-10-17 18:23:06,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:06,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:07,070 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-17 18:23:07,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:07,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:07,246 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-17 18:23:07,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 18:23:07,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 18:23:07,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-17 18:23:07,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:07,248 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:07,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2024-10-17 18:23:07,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:07,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:07,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:07,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:07,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:07,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:07,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:07,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:07,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:07,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-10-17 18:23:07,361 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 18:23:07,492 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-17 18:23:07,492 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 [2024-10-17 18:23:07,542 INFO L85 PathProgramCache]: Analyzing trace with hash 793747033, now seen corresponding path program 1 times [2024-10-17 18:23:07,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:07,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:07,692 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 18:23:07,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:07,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 18:23:07,925 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-17 18:23:07,926 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 270 treesize of output 246 [2024-10-17 18:23:07,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1305752824, now seen corresponding path program 1 times [2024-10-17 18:23:07,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:07,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-17 18:23:08,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:08,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:08,379 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-17 18:23:08,486 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 [2024-10-17 18:23:08,527 INFO L85 PathProgramCache]: Analyzing trace with hash 54685620, now seen corresponding path program 1 times [2024-10-17 18:23:08,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:08,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:08,790 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-17 18:23:08,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:08,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:09,024 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-17 18:23:09,128 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 [2024-10-17 18:23:09,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1037432897, now seen corresponding path program 1 times [2024-10-17 18:23:09,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:09,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-17 18:23:09,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:09,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-17 18:23:09,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:09,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1124077528, now seen corresponding path program 1 times [2024-10-17 18:23:09,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 18:23:09,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924710354] [2024-10-17 18:23:09,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:09,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:09,939 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 232 proven. 2 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-10-17 18:23:09,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 18:23:09,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924710354] [2024-10-17 18:23:09,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924710354] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 18:23:09,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132798893] [2024-10-17 18:23:09,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:09,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 18:23:09,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 18:23:09,968 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) [2024-10-17 18:23:09,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-17 18:23:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:10,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-17 18:23:10,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 18:23:10,381 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2024-10-17 18:23:10,381 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 18:23:10,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132798893] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 18:23:10,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 18:23:10,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-17 18:23:10,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512490043] [2024-10-17 18:23:10,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 18:23:10,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 18:23:10,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 18:23:10,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 18:23:10,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-17 18:23:10,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:10,384 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:10,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-10-17 18:23:10,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:10,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:10,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:10,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:10,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:10,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:10,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:10,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:10,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-17 18:23:10,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-17 18:23:10,882 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 18:23:11,158 INFO L85 PathProgramCache]: Analyzing trace with hash -2069026808, now seen corresponding path program 1 times [2024-10-17 18:23:11,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:11,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:11,356 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-17 18:23:11,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:11,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-17 18:23:11,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 18:23:11,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 18:23:11,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-10-17 18:23:11,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:11,567 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:11,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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) [2024-10-17 18:23:11,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:11,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:11,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:11,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:11,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:11,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:11,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:12,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:12,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:12,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:12,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:12,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:12,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:12,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:12,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,SelfDestructingSolverStorable26 [2024-10-17 18:23:12,393 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 18:23:12,710 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-17 18:23:12,711 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 270 treesize of output 246 [2024-10-17 18:23:12,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1250445396, now seen corresponding path program 1 times [2024-10-17 18:23:12,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:12,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:12,927 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-17 18:23:12,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:12,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-17 18:23:13,264 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-17 18:23:13,265 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 [2024-10-17 18:23:13,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1023995267, now seen corresponding path program 1 times [2024-10-17 18:23:13,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:13,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:13,500 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-17 18:23:13,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:13,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-17 18:23:13,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:13,810 INFO L85 PathProgramCache]: Analyzing trace with hash 429624638, now seen corresponding path program 1 times [2024-10-17 18:23:13,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 18:23:13,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220561620] [2024-10-17 18:23:13,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:13,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:14,036 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-10-17 18:23:14,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 18:23:14,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220561620] [2024-10-17 18:23:14,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220561620] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 18:23:14,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 18:23:14,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 18:23:14,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331533560] [2024-10-17 18:23:14,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 18:23:14,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 18:23:14,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 18:23:14,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 18:23:14,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-17 18:23:14,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:14,040 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:14,040 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) [2024-10-17 18:23:14,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:14,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:14,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:14,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:14,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:14,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:14,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:14,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:14,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-17 18:23:14,141 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 18:23:14,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:14,188 INFO L85 PathProgramCache]: Analyzing trace with hash -726290004, now seen corresponding path program 1 times [2024-10-17 18:23:14,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 18:23:14,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214789456] [2024-10-17 18:23:14,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:14,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:14,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 18:23:14,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 18:23:14,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214789456] [2024-10-17 18:23:14,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214789456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 18:23:14,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 18:23:14,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-17 18:23:14,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702158913] [2024-10-17 18:23:14,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 18:23:14,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-17 18:23:14,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 18:23:14,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-17 18:23:14,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-17 18:23:14,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:14,516 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:14,516 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) [2024-10-17 18:23:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:14,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:14,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:14,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:14,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:14,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:15,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:15,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:15,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 18:23:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 18:23:15,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-17 18:23:15,071 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 18:23:15,212 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 1030 treesize of output 934 [2024-10-17 18:23:15,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1781765614, now seen corresponding path program 1 times [2024-10-17 18:23:15,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:15,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:15,685 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-10-17 18:23:15,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:15,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-10-17 18:23:16,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 18:23:16,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 18:23:16,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-10-17 18:23:16,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:16,047 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:16,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 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) [2024-10-17 18:23:16,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:16,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:16,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:16,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:16,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:16,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:16,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:16,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 18:23:16,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 18:23:16,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:17,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 18:23:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:17,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,SelfDestructingSolverStorable34 [2024-10-17 18:23:17,301 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 18:23:17,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1236098028, now seen corresponding path program 1 times [2024-10-17 18:23:17,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:17,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:18,150 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-17 18:23:18,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:18,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-17 18:23:18,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 18:23:18,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 18:23:18,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-10-17 18:23:18,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:18,715 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:18,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 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) [2024-10-17 18:23:18,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:18,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:18,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:18,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:18,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:18,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:18,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:18,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:18,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 18:23:18,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:18,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:22,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:22,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:22,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:22,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:22,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:22,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 18:23:22,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:22,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:22,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location disposeErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-17 18:23:22,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,SelfDestructingSolverStorable36 [2024-10-17 18:23:22,995 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-17 18:23:22,997 INFO L312 ceAbstractionStarter]: Result for error location disposeThread1of1ForFork2 was SAFE (1/2) [2024-10-17 18:23:23,001 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 18:23:23,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 18:23:23,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 18:23:23,004 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) [2024-10-17 18:23:23,006 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 [2024-10-17 18:23:23,071 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 18:23:23,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:23,072 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 18:23:23,073 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;@389562e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=FORWARD, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 18:23:23,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-17 18:23:23,792 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)] === [2024-10-17 18:23:23,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:23,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1224123986, now seen corresponding path program 1 times [2024-10-17 18:23:23,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 18:23:23,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002151153] [2024-10-17 18:23:23,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:23,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 18:23:23,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 18:23:23,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002151153] [2024-10-17 18:23:23,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002151153] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 18:23:23,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 18:23:23,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 18:23:23,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122039979] [2024-10-17 18:23:23,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 18:23:23,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 18:23:23,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 18:23:23,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 18:23:23,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 18:23:23,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:23,887 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:23,887 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) [2024-10-17 18:23:23,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:24,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:24,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-17 18:23:24,191 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)] === [2024-10-17 18:23:24,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:24,239 INFO L85 PathProgramCache]: Analyzing trace with hash -943926102, now seen corresponding path program 1 times [2024-10-17 18:23:24,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 18:23:24,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083256232] [2024-10-17 18:23:24,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:24,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:24,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 18:23:24,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 18:23:24,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083256232] [2024-10-17 18:23:24,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083256232] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 18:23:24,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 18:23:24,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 18:23:24,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344023669] [2024-10-17 18:23:24,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 18:23:24,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 18:23:24,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 18:23:24,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 18:23:24,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-17 18:23:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:24,351 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:24,352 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) [2024-10-17 18:23:24,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:24,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:24,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:24,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:24,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-17 18:23:24,800 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)] === [2024-10-17 18:23:24,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:24,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1893016411, now seen corresponding path program 1 times [2024-10-17 18:23:24,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 18:23:24,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721218890] [2024-10-17 18:23:24,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:24,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 18:23:24,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 18:23:24,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721218890] [2024-10-17 18:23:24,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721218890] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 18:23:24,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 18:23:24,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 18:23:24,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351944905] [2024-10-17 18:23:24,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 18:23:24,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 18:23:24,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 18:23:24,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 18:23:24,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 18:23:24,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:24,949 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:24,949 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) [2024-10-17 18:23:24,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:24,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:24,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:25,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:25,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:25,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:25,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-17 18:23:25,115 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)] === [2024-10-17 18:23:25,254 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-17 18:23:25,254 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 288 treesize of output 264 [2024-10-17 18:23:25,307 INFO L85 PathProgramCache]: Analyzing trace with hash 793747608, now seen corresponding path program 1 times [2024-10-17 18:23:25,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:25,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:25,405 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 18:23:25,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:25,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:25,496 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 18:23:25,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:25,509 INFO L85 PathProgramCache]: Analyzing trace with hash -571744892, now seen corresponding path program 2 times [2024-10-17 18:23:25,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 18:23:25,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81086010] [2024-10-17 18:23:25,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:25,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:25,696 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 18:23:25,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 18:23:25,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81086010] [2024-10-17 18:23:25,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81086010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 18:23:25,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 18:23:25,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 18:23:25,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030224395] [2024-10-17 18:23:25,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 18:23:25,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 18:23:25,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 18:23:25,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 18:23:25,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-17 18:23:25,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:25,699 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:25,699 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) [2024-10-17 18:23:25,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:25,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:25,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:25,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:26,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:26,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:26,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42 [2024-10-17 18:23:26,081 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)] === [2024-10-17 18:23:26,248 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-17 18:23:26,249 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 [2024-10-17 18:23:26,304 INFO L85 PathProgramCache]: Analyzing trace with hash 678192122, now seen corresponding path program 1 times [2024-10-17 18:23:26,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:26,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:26,507 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 18:23:26,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:26,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 18:23:26,748 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-17 18:23:26,748 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 270 treesize of output 246 [2024-10-17 18:23:26,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1975645512, now seen corresponding path program 1 times [2024-10-17 18:23:26,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:26,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:26,981 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-17 18:23:26,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:26,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:27,227 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-17 18:23:27,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:27,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1302543547, now seen corresponding path program 1 times [2024-10-17 18:23:27,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 18:23:27,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933282526] [2024-10-17 18:23:27,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:27,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:27,468 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-17 18:23:27,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 18:23:27,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933282526] [2024-10-17 18:23:27,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933282526] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 18:23:27,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 18:23:27,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-17 18:23:27,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514530185] [2024-10-17 18:23:27,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 18:23:27,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-17 18:23:27,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 18:23:27,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-17 18:23:27,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-17 18:23:27,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:27,471 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:27,471 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) [2024-10-17 18:23:27,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:27,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 18:23:27,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:27,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:27,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:27,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:27,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:27,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:27,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:27,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:27,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47 [2024-10-17 18:23:27,970 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)] === [2024-10-17 18:23:28,103 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-17 18:23:28,103 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 [2024-10-17 18:23:28,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1209951397, now seen corresponding path program 1 times [2024-10-17 18:23:28,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:28,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:28,434 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-17 18:23:28,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:28,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-17 18:23:28,826 INFO L85 PathProgramCache]: Analyzing trace with hash -342468274, now seen corresponding path program 1 times [2024-10-17 18:23:28,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:28,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:29,106 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-17 18:23:29,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:29,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:29,394 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-17 18:23:29,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:29,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1954216049, now seen corresponding path program 1 times [2024-10-17 18:23:29,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 18:23:29,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235263101] [2024-10-17 18:23:29,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:29,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:29,691 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 129 proven. 87 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-17 18:23:29,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 18:23:29,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235263101] [2024-10-17 18:23:29,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235263101] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 18:23:29,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245361437] [2024-10-17 18:23:29,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:29,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 18:23:29,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 18:23:29,695 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) [2024-10-17 18:23:29,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-17 18:23:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:30,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-17 18:23:30,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 18:23:30,196 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 129 proven. 87 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-17 18:23:30,196 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 18:23:30,319 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 129 proven. 87 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-17 18:23:30,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245361437] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 18:23:30,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 18:23:30,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-17 18:23:30,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176403263] [2024-10-17 18:23:30,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 18:23:30,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-17 18:23:30,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 18:23:30,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-17 18:23:30,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-17 18:23:30,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:30,323 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:30,323 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) [2024-10-17 18:23:30,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:30,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:30,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:30,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:30,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:30,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 18:23:30,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-17 18:23:30,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-10-17 18:23:30,806 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)] === [2024-10-17 18:23:30,945 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-17 18:23:30,946 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 [2024-10-17 18:23:31,025 INFO L85 PathProgramCache]: Analyzing trace with hash -489766828, now seen corresponding path program 1 times [2024-10-17 18:23:31,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:31,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 1376 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-17 18:23:31,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:31,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:32,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 1376 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-17 18:23:32,287 INFO L85 PathProgramCache]: Analyzing trace with hash 207131847, now seen corresponding path program 1 times [2024-10-17 18:23:32,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:32,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:32,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1435 backedges. 0 proven. 1376 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-10-17 18:23:32,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:32,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:33,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1435 backedges. 0 proven. 1376 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-10-17 18:23:33,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:33,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1232462854, now seen corresponding path program 2 times [2024-10-17 18:23:33,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 18:23:33,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67684840] [2024-10-17 18:23:33,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:33,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:34,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 584 proven. 1016 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-17 18:23:34,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 18:23:34,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67684840] [2024-10-17 18:23:34,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67684840] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 18:23:34,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103217584] [2024-10-17 18:23:34,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 18:23:34,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 18:23:34,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 18:23:34,209 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) [2024-10-17 18:23:34,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-17 18:23:34,736 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 18:23:34,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 18:23:34,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-17 18:23:34,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 18:23:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 584 proven. 1016 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-17 18:23:35,040 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 18:23:35,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 584 proven. 1016 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-17 18:23:35,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103217584] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 18:23:35,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 18:23:35,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-10-17 18:23:35,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580741693] [2024-10-17 18:23:35,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 18:23:35,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-17 18:23:35,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 18:23:35,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-17 18:23:35,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-10-17 18:23:35,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:35,423 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:35,424 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) [2024-10-17 18:23:35,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:35,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:35,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:35,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:35,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:35,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 18:23:35,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:35,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:35,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:35,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:35,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:35,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:35,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 18:23:35,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 18:23:35,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-17 18:23:36,102 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,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57 [2024-10-17 18:23:36,104 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)] === [2024-10-17 18:23:36,225 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-17 18:23:36,225 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 270 treesize of output 246 [2024-10-17 18:23:36,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1919389198, now seen corresponding path program 1 times [2024-10-17 18:23:36,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:36,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 7532 backedges. 0 proven. 7416 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-10-17 18:23:38,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:38,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:39,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7532 backedges. 0 proven. 7416 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-10-17 18:23:39,748 INFO L85 PathProgramCache]: Analyzing trace with hash 125385045, now seen corresponding path program 1 times [2024-10-17 18:23:39,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:39,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 7535 backedges. 0 proven. 7416 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-17 18:23:41,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:41,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:42,313 INFO L134 CoverageAnalysis]: Checked inductivity of 7535 backedges. 0 proven. 7416 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-17 18:23:42,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:42,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1305103568, now seen corresponding path program 3 times [2024-10-17 18:23:42,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 18:23:42,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714663997] [2024-10-17 18:23:42,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:42,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6908 backedges. 1314 proven. 5526 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-17 18:23:44,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 18:23:44,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714663997] [2024-10-17 18:23:44,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714663997] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 18:23:44,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902319700] [2024-10-17 18:23:44,233 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 18:23:44,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 18:23:44,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 18:23:44,235 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) [2024-10-17 18:23:44,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-17 18:23:44,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-17 18:23:44,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 18:23:44,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-17 18:23:44,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 18:23:46,374 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 [2024-10-17 18:23:46,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-17 18:23:46,410 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 [2024-10-17 18:23:46,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-17 18:23:46,438 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 [2024-10-17 18:23:46,463 INFO L134 CoverageAnalysis]: Checked inductivity of 6908 backedges. 534 proven. 59 refuted. 0 times theorem prover too weak. 6315 trivial. 0 not checked. [2024-10-17 18:23:46,463 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 18:23:46,533 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 18:23:46,533 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 [2024-10-17 18:23:46,539 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 [2024-10-17 18:23:47,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6908 backedges. 534 proven. 59 refuted. 0 times theorem prover too weak. 6315 trivial. 0 not checked. [2024-10-17 18:23:47,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902319700] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 18:23:47,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 18:23:47,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 4, 4] total 27 [2024-10-17 18:23:47,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506027085] [2024-10-17 18:23:47,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 18:23:47,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-17 18:23:47,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 18:23:47,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-17 18:23:47,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=471, Unknown=1, NotChecked=0, Total=702 [2024-10-17 18:23:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:47,347 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:47,347 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) [2024-10-17 18:23:47,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:47,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:47,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:47,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:47,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:47,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 18:23:47,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 18:23:47,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:49,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 18:23:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 18:23:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 18:23:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-17 18:23:49,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-17 18:23:49,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2024-10-17 18:23:49,621 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)] === [2024-10-17 18:23:49,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:49,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1507367222, now seen corresponding path program 1 times [2024-10-17 18:23:49,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 18:23:49,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366767658] [2024-10-17 18:23:49,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:49,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:51,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6365 backedges. 5873 proven. 492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 18:23:51,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 18:23:51,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366767658] [2024-10-17 18:23:51,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366767658] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 18:23:51,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004717518] [2024-10-17 18:23:51,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:51,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 18:23:51,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 18:23:51,225 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) [2024-10-17 18:23:51,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-17 18:23:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:51,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 2501 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-17 18:23:51,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 18:23:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6365 backedges. 5112 proven. 0 refuted. 0 times theorem prover too weak. 1253 trivial. 0 not checked. [2024-10-17 18:23:52,292 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 18:23:52,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004717518] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 18:23:52,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 18:23:52,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [22] total 23 [2024-10-17 18:23:52,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594049580] [2024-10-17 18:23:52,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 18:23:52,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-17 18:23:52,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 18:23:52,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-17 18:23:52,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=272, Unknown=0, NotChecked=0, Total=506 [2024-10-17 18:23:52,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:52,295 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:52,296 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) [2024-10-17 18:23:52,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:52,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:52,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:52,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:52,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 18:23:52,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 18:23:52,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 18:23:52,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-17 18:23:52,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:57,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:57,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:57,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:57,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:57,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 18:23:57,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 18:23:57,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-17 18:23:57,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-17 18:23:57,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-17 18:23:57,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-17 18:23:57,856 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,SelfDestructingSolverStorable63 [2024-10-17 18:23:57,857 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)] === [2024-10-17 18:23:57,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 18:23:57,903 INFO L85 PathProgramCache]: Analyzing trace with hash -486239128, now seen corresponding path program 2 times [2024-10-17 18:23:57,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 18:23:57,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845541336] [2024-10-17 18:23:57,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 18:23:57,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 18:23:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 18:23:58,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4820 backedges. 534 proven. 2 refuted. 0 times theorem prover too weak. 4284 trivial. 0 not checked. [2024-10-17 18:23:58,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 18:23:58,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845541336] [2024-10-17 18:23:58,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845541336] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 18:23:58,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144467770] [2024-10-17 18:23:58,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 18:23:58,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 18:23:58,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 18:23:58,572 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) [2024-10-17 18:23:58,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-17 18:23:59,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 18:23:59,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 18:23:59,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 2111 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-17 18:23:59,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 18:23:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4820 backedges. 536 proven. 0 refuted. 0 times theorem prover too weak. 4284 trivial. 0 not checked. [2024-10-17 18:23:59,363 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 18:23:59,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144467770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 18:23:59,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 18:23:59,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-10-17 18:23:59,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320195724] [2024-10-17 18:23:59,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 18:23:59,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-17 18:23:59,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 18:23:59,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-17 18:23:59,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-17 18:23:59,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 18:23:59,365 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 18:23:59,365 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) [2024-10-17 18:23:59,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:59,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 18:23:59,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 18:23:59,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 18:23:59,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 18:23:59,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 18:23:59,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-17 18:23:59,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-17 18:23:59,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-17 18:23:59,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.