./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 DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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 DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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 [2024-10-19 03:13:32,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 03:13:32,483 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 03:13:32,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 03:13:32,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 03:13:32,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 03:13:32,508 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 03:13:32,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 03:13:32,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 03:13:32,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 03:13:32,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 03:13:32,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 03:13:32,510 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 03:13:32,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 03:13:32,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 03:13:32,511 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 03:13:32,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 03:13:32,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 03:13:32,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 03:13:32,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 03:13:32,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 03:13:32,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 03:13:32,514 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 03:13:32,514 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 03:13:32,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 03:13:32,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 03:13:32,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 03:13:32,515 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 03:13:32,515 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 03:13:32,515 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 03:13:32,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 03:13:32,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 03:13:32,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 03:13:32,516 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 03:13:32,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 03:13:32,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 03:13:32,517 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 03:13:32,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 03:13:32,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 03:13:32,518 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 03:13:32,518 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 03:13:32,518 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 -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-19 03:13:32,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 03:13:32,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 03:13:32,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 03:13:32,769 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 03:13:32,770 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 03:13:32,771 INFO L431 ainManager$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 [2024-10-19 03:13:34,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 03:13:34,348 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 03:13:34,348 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-10-19 03:13:34,364 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e204b2e2a/035e5e77288a4739bec7b7b6a4a7fc6e/FLAG975af2538 [2024-10-19 03:13:34,385 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e204b2e2a/035e5e77288a4739bec7b7b6a4a7fc6e [2024-10-19 03:13:34,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 03:13:34,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 03:13:34,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 03:13:34,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 03:13:34,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 03:13:34,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 03:13:34" (1/1) ... [2024-10-19 03:13:34,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eead3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:34, skipping insertion in model container [2024-10-19 03:13:34,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 03:13:34" (1/1) ... [2024-10-19 03:13:34,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 03:13:34,592 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] [2024-10-19 03:13:34,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 03:13:34,803 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 03:13:34,819 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] [2024-10-19 03:13:34,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 03:13:34,893 INFO L204 MainTranslator]: Completed translation [2024-10-19 03:13:34,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:34 WrapperNode [2024-10-19 03:13:34,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 03:13:34,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 03:13:34,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 03:13:34,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 03:13:34,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:34" (1/1) ... [2024-10-19 03:13:34,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:34" (1/1) ... [2024-10-19 03:13:34,946 INFO L138 Inliner]: procedures = 271, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2024-10-19 03:13:34,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 03:13:34,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 03:13:34,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 03:13:34,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 03:13:34,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:34" (1/1) ... [2024-10-19 03:13:34,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:34" (1/1) ... [2024-10-19 03:13:34,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:34" (1/1) ... [2024-10-19 03:13:34,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:34" (1/1) ... [2024-10-19 03:13:34,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:34" (1/1) ... [2024-10-19 03:13:34,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:34" (1/1) ... [2024-10-19 03:13:34,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:34" (1/1) ... [2024-10-19 03:13:34,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:34" (1/1) ... [2024-10-19 03:13:34,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 03:13:34,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 03:13:34,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 03:13:34,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 03:13:34,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:34" (1/1) ... [2024-10-19 03:13:34,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 03:13:35,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:13:35,022 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) [2024-10-19 03:13:35,024 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 [2024-10-19 03:13:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2024-10-19 03:13:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2024-10-19 03:13:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-19 03:13:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-19 03:13:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 03:13:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2024-10-19 03:13:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2024-10-19 03:13:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure process [2024-10-19 03:13:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2024-10-19 03:13:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 03:13:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 03:13:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 03:13:35,061 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-19 03:13:35,237 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 03:13:35,239 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 03:13:35,416 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 03:13:35,416 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 03:13:35,528 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 03:13:35,528 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-19 03:13:35,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 03:13:35 BoogieIcfgContainer [2024-10-19 03:13:35,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 03:13:35,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 03:13:35,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 03:13:35,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 03:13:35,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 03:13:34" (1/3) ... [2024-10-19 03:13:35,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f88d6e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 03:13:35, skipping insertion in model container [2024-10-19 03:13:35,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:34" (2/3) ... [2024-10-19 03:13:35,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f88d6e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 03:13:35, skipping insertion in model container [2024-10-19 03:13:35,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 03:13:35" (3/3) ... [2024-10-19 03:13:35,538 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2024-10-19 03:13:35,552 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 03:13:35,552 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-19 03:13:35,553 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 03:13:35,593 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-19 03:13:35,633 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 03:13:35,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 03:13:35,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:13:35,635 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) [2024-10-19 03:13:35,646 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 [2024-10-19 03:13:35,745 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 03:13:35,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:35,764 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == disposeThread1of1ForFork2 ======== [2024-10-19 03:13:35,769 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;@687d9366, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-19 03:13:35,770 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-19 03:13:37,049 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-19 03:13:37,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:37,050 INFO L85 PathProgramCache]: Analyzing trace with hash 758845637, now seen corresponding path program 1 times [2024-10-19 03:13:37,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:13:37,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901558788] [2024-10-19 03:13:37,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:37,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:37,444 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-19 03:13:37,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:13:37,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901558788] [2024-10-19 03:13:37,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901558788] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:13:37,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 03:13:37,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-19 03:13:37,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055169572] [2024-10-19 03:13:37,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:13:37,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-19 03:13:37,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:13:37,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 03:13:37,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-19 03:13:37,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:37,478 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:13:37,478 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) [2024-10-19 03:13:37,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:37,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:37,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-19 03:13:37,903 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-19 03:13:37,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:37,904 INFO L85 PathProgramCache]: Analyzing trace with hash 809496849, now seen corresponding path program 1 times [2024-10-19 03:13:37,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:13:37,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644258997] [2024-10-19 03:13:37,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:37,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:38,165 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-19 03:13:38,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:13:38,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644258997] [2024-10-19 03:13:38,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644258997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:13:38,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 03:13:38,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-19 03:13:38,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70292497] [2024-10-19 03:13:38,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:13:38,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-19 03:13:38,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:13:38,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 03:13:38,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-19 03:13:38,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:38,171 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:13:38,171 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) [2024-10-19 03:13:38,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:38,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:38,423 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-19 03:13:38,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-10-19 03:13:38,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1696948275, now seen corresponding path program 1 times [2024-10-19 03:13:38,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:38,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:38,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-19 03:13:38,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:38,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:38,779 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-19 03:13:38,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 03:13:38,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-19 03:13:39,486 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-19 03:13:39,486 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 [2024-10-19 03:13:39,558 INFO L85 PathProgramCache]: Analyzing trace with hash 4910176, now seen corresponding path program 1 times [2024-10-19 03:13:39,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:39,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-19 03:13:39,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:39,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:39,888 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-19 03:13:39,945 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-19 03:13:39,945 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 [2024-10-19 03:13:40,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1559334406, now seen corresponding path program 1 times [2024-10-19 03:13:40,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:40,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:40,157 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-19 03:13:40,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:40,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:40,327 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-19 03:13:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:40,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-10-19 03:13:40,365 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-19 03:13:40,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:40,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1722368473, now seen corresponding path program 1 times [2024-10-19 03:13:40,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:13:40,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10448983] [2024-10-19 03:13:40,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:40,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:40,451 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-10-19 03:13:40,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:13:40,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10448983] [2024-10-19 03:13:40,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10448983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:13:40,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 03:13:40,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-19 03:13:40,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226631070] [2024-10-19 03:13:40,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:13:40,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-19 03:13:40,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:13:40,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 03:13:40,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-19 03:13:40,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:40,454 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:13:40,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-19 03:13:40,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:40,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:40,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:40,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:40,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:40,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:40,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-19 03:13:40,895 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-19 03:13:40,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:40,895 INFO L85 PathProgramCache]: Analyzing trace with hash -886593546, now seen corresponding path program 2 times [2024-10-19 03:13:40,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:13:40,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187689716] [2024-10-19 03:13:40,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:40,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:41,049 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-10-19 03:13:41,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:13:41,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187689716] [2024-10-19 03:13:41,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187689716] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:13:41,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 03:13:41,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-19 03:13:41,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559561893] [2024-10-19 03:13:41,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:13:41,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-19 03:13:41,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:13:41,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-19 03:13:41,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-19 03:13:41,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:41,052 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:13:41,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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) [2024-10-19 03:13:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:41,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:41,320 INFO L85 PathProgramCache]: Analyzing trace with hash -2069026868, now seen corresponding path program 1 times [2024-10-19 03:13:41,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:41,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:41,500 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-19 03:13:41,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:41,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-19 03:13:41,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 03:13:41,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-19 03:13:42,072 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-19 03:13:42,072 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 [2024-10-19 03:13:42,143 INFO L85 PathProgramCache]: Analyzing trace with hash 6380205, now seen corresponding path program 1 times [2024-10-19 03:13:42,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:42,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-19 03:13:42,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:42,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:42,560 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-19 03:13:42,604 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-19 03:13:42,605 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 [2024-10-19 03:13:42,641 INFO L85 PathProgramCache]: Analyzing trace with hash -972745985, now seen corresponding path program 1 times [2024-10-19 03:13:42,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:42,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:42,839 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-10-19 03:13:42,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:42,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:42,997 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-10-19 03:13:43,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:43,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:43,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:43,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:13:43,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-10-19 03:13:43,071 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-19 03:13:43,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:43,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1575464623, now seen corresponding path program 1 times [2024-10-19 03:13:43,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:13:43,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980003878] [2024-10-19 03:13:43,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:43,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:43,259 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 244 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-10-19 03:13:43,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:13:43,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980003878] [2024-10-19 03:13:43,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980003878] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 03:13:43,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167072140] [2024-10-19 03:13:43,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:43,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:13:43,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:13:43,262 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) [2024-10-19 03:13:43,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-19 03:13:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:43,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-19 03:13:43,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 03:13:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-10-19 03:13:43,542 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-19 03:13:43,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167072140] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:13:43,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-19 03:13:43,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-10-19 03:13:43,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588292978] [2024-10-19 03:13:43,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:13:43,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-19 03:13:43,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:13:43,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 03:13:43,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-19 03:13:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:43,544 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:13:43,544 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) [2024-10-19 03:13:43,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:43,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:43,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:43,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:13:43,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:13:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:13:43,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-19 03:13:43,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-19 03:13:43,813 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-19 03:13:43,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:43,814 INFO L85 PathProgramCache]: Analyzing trace with hash -726290004, now seen corresponding path program 1 times [2024-10-19 03:13:43,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:13:43,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136929490] [2024-10-19 03:13:43,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:43,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:43,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:13:43,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136929490] [2024-10-19 03:13:43,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136929490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:13:43,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 03:13:43,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-19 03:13:43,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516710727] [2024-10-19 03:13:43,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:13:43,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-19 03:13:43,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:13:43,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-19 03:13:43,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-19 03:13:43,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:43,985 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:13:43,985 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) [2024-10-19 03:13:43,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:43,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:43,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:43,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:13:43,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:13:43,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:44,430 INFO L85 PathProgramCache]: Analyzing trace with hash -816681314, now seen corresponding path program 1 times [2024-10-19 03:13:44,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:44,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:44,784 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-19 03:13:44,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:44,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:45,089 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-19 03:13:45,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-19 03:13:45,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-10-19 03:13:46,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1236098116, now seen corresponding path program 1 times [2024-10-19 03:13:46,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:46,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:46,994 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-19 03:13:46,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:46,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:47,400 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-19 03:13:47,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-19 03:13:47,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-10-19 03:14:11,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:11,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:11,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:11,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:14:11,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-19 03:14:11,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 03:14:11,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location disposeErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-19 03:14:11,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable17 [2024-10-19 03:14:11,730 INFO L414 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-19 03:14:11,740 INFO L312 ceAbstractionStarter]: Result for error location disposeThread1of1ForFork2 was SAFE (1/2) [2024-10-19 03:14:11,746 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 03:14:11,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 03:14:11,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:14:11,752 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) [2024-10-19 03:14:11,753 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 [2024-10-19 03:14:11,800 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 03:14:11,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:14:11,801 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 03:14:11,801 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;@687d9366, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-19 03:14:11,802 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-19 03:14:12,408 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)] === [2024-10-19 03:14:12,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:14:12,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1224123986, now seen corresponding path program 1 times [2024-10-19 03:14:12,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:14:12,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242352281] [2024-10-19 03:14:12,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:12,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:12,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:14:12,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:14:12,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242352281] [2024-10-19 03:14:12,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242352281] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:14:12,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 03:14:12,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-19 03:14:12,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891949130] [2024-10-19 03:14:12,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:14:12,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-19 03:14:12,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:14:12,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 03:14:12,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-19 03:14:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:12,442 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:14:12,442 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) [2024-10-19 03:14:12,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:12,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:12,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-19 03:14:12,670 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)] === [2024-10-19 03:14:12,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:14:12,671 INFO L85 PathProgramCache]: Analyzing trace with hash -943926102, now seen corresponding path program 1 times [2024-10-19 03:14:12,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:14:12,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475431578] [2024-10-19 03:14:12,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:12,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:12,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:14:12,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:14:12,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475431578] [2024-10-19 03:14:12,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475431578] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:14:12,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 03:14:12,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 03:14:12,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436088936] [2024-10-19 03:14:12,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:14:12,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-19 03:14:12,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:14:12,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 03:14:12,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-19 03:14:12,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:12,760 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:14:12,760 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) [2024-10-19 03:14:12,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:12,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:13,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:13,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:14:13,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-19 03:14:13,128 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)] === [2024-10-19 03:14:13,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:14:13,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1893016411, now seen corresponding path program 1 times [2024-10-19 03:14:13,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:14:13,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200805194] [2024-10-19 03:14:13,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:13,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-19 03:14:13,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:14:13,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200805194] [2024-10-19 03:14:13,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200805194] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:14:13,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 03:14:13,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-19 03:14:13,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487873711] [2024-10-19 03:14:13,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:14:13,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-19 03:14:13,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:14:13,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 03:14:13,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-19 03:14:13,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:13,319 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:14:13,319 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) [2024-10-19 03:14:13,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:13,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:14:13,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:13,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:13,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:14:13,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:13,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-19 03:14:13,482 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)] === [2024-10-19 03:14:13,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:14:13,483 INFO L85 PathProgramCache]: Analyzing trace with hash -571744892, now seen corresponding path program 2 times [2024-10-19 03:14:13,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:14:13,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380614488] [2024-10-19 03:14:13,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:13,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:13,580 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-19 03:14:13,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:14:13,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380614488] [2024-10-19 03:14:13,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380614488] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:14:13,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 03:14:13,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 03:14:13,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817223040] [2024-10-19 03:14:13,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:14:13,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-19 03:14:13,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:14:13,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 03:14:13,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-19 03:14:13,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:13,584 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:14:13,584 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) [2024-10-19 03:14:13,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:13,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:14:13,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:13,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:13,850 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 [2024-10-19 03:14:13,887 INFO L85 PathProgramCache]: Analyzing trace with hash 678194609, now seen corresponding path program 1 times [2024-10-19 03:14:13,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:13,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:14,081 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-19 03:14:14,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:14,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:14,313 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-19 03:14:14,421 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 262 treesize of output 238 [2024-10-19 03:14:14,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1975648003, now seen corresponding path program 1 times [2024-10-19 03:14:14,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:14,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:14,652 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-19 03:14:14,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:14,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-19 03:14:14,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:14,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:14:14,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:14,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:14:14,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-19 03:14:14,984 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)] === [2024-10-19 03:14:14,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:14:14,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1302543547, now seen corresponding path program 1 times [2024-10-19 03:14:14,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:14:14,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430696653] [2024-10-19 03:14:14,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:14,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:15,173 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-19 03:14:15,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:14:15,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430696653] [2024-10-19 03:14:15,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430696653] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:14:15,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 03:14:15,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-19 03:14:15,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058193010] [2024-10-19 03:14:15,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:14:15,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-19 03:14:15,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:14:15,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-19 03:14:15,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-19 03:14:15,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:15,176 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:14:15,176 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) [2024-10-19 03:14:15,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:15,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:14:15,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:15,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:14:15,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:15,564 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 262 treesize of output 238 [2024-10-19 03:14:15,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1209953898, now seen corresponding path program 1 times [2024-10-19 03:14:15,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:15,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:15,774 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-19 03:14:15,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:15,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-19 03:14:16,010 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 262 treesize of output 238 [2024-10-19 03:14:16,047 INFO L85 PathProgramCache]: Analyzing trace with hash -2071569289, now seen corresponding path program 1 times [2024-10-19 03:14:16,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:16,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-19 03:14:16,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:16,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:16,331 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-19 03:14:16,382 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 262 treesize of output 238 [2024-10-19 03:14:16,419 INFO L85 PathProgramCache]: Analyzing trace with hash -202717760, now seen corresponding path program 1 times [2024-10-19 03:14:16,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:16,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:16,559 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-19 03:14:16,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:16,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:16,696 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-19 03:14:16,891 INFO L85 PathProgramCache]: Analyzing trace with hash -342465749, now seen corresponding path program 1 times [2024-10-19 03:14:16,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:16,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:17,027 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-19 03:14:17,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:17,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:17,169 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-19 03:14:17,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:14:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:14:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:14:17,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38 [2024-10-19 03:14:17,260 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)] === [2024-10-19 03:14:17,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:14:17,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1954216049, now seen corresponding path program 1 times [2024-10-19 03:14:17,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:14:17,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012031719] [2024-10-19 03:14:17,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:17,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:17,462 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 129 proven. 87 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-19 03:14:17,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:14:17,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012031719] [2024-10-19 03:14:17,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012031719] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 03:14:17,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020464414] [2024-10-19 03:14:17,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:17,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:14:17,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:14:17,465 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) [2024-10-19 03:14:17,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-19 03:14:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:17,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-19 03:14:17,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 03:14:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 129 proven. 87 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-19 03:14:17,823 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 03:14:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 129 proven. 87 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-19 03:14:17,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020464414] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 03:14:17,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 03:14:17,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-19 03:14:17,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584551998] [2024-10-19 03:14:17,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 03:14:17,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-19 03:14:17,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:14:17,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-19 03:14:17,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-19 03:14:17,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:17,940 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:14:17,940 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) [2024-10-19 03:14:17,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:17,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:14:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:14:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:14:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:18,238 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-19 03:14:18,239 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 [2024-10-19 03:14:18,274 INFO L85 PathProgramCache]: Analyzing trace with hash -489764295, now seen corresponding path program 1 times [2024-10-19 03:14:18,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:18,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 1376 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-19 03:14:18,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:18,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:19,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 1376 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-19 03:14:19,277 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-19 03:14:19,277 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 [2024-10-19 03:14:19,326 INFO L85 PathProgramCache]: Analyzing trace with hash 2081132486, now seen corresponding path program 1 times [2024-10-19 03:14:19,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:19,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:19,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1438 backedges. 0 proven. 1376 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-10-19 03:14:19,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:19,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:20,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1438 backedges. 0 proven. 1376 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-10-19 03:14:20,338 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 262 treesize of output 238 [2024-10-19 03:14:20,423 INFO L85 PathProgramCache]: Analyzing trace with hash 940430743, now seen corresponding path program 1 times [2024-10-19 03:14:20,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:20,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1439 backedges. 0 proven. 1376 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-10-19 03:14:20,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:20,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:21,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1439 backedges. 0 proven. 1376 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-10-19 03:14:21,722 INFO L85 PathProgramCache]: Analyzing trace with hash 207134384, now seen corresponding path program 1 times [2024-10-19 03:14:21,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:21,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1435 backedges. 0 proven. 1376 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-10-19 03:14:22,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:22,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:22,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1435 backedges. 0 proven. 1376 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-10-19 03:14:22,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:14:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:14:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:14:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 03:14:22,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-19 03:14:22,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47,SelfDestructingSolverStorable39 [2024-10-19 03:14:22,830 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)] === [2024-10-19 03:14:22,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:14:22,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1232462854, now seen corresponding path program 2 times [2024-10-19 03:14:22,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:14:22,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361857091] [2024-10-19 03:14:22,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:22,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:23,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 584 proven. 1016 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-19 03:14:23,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:14:23,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361857091] [2024-10-19 03:14:23,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361857091] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 03:14:23,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894283633] [2024-10-19 03:14:23,401 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-19 03:14:23,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:14:23,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:14:23,402 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) [2024-10-19 03:14:23,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-19 03:14:23,830 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-19 03:14:23,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 03:14:23,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-19 03:14:23,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 03:14:24,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 584 proven. 1016 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-19 03:14:24,104 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 03:14:24,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 584 proven. 1016 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-19 03:14:24,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894283633] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 03:14:24,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 03:14:24,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-10-19 03:14:24,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003523366] [2024-10-19 03:14:24,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 03:14:24,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-19 03:14:24,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:14:24,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-19 03:14:24,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-10-19 03:14:24,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:24,461 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:14:24,462 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) [2024-10-19 03:14:24,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:24,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:14:24,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:24,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:14:24,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:14:24,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 03:14:24,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:25,021 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-19 03:14:25,022 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 [2024-10-19 03:14:27,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1919391735, now seen corresponding path program 1 times [2024-10-19 03:14:27,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:27,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:28,410 INFO L134 CoverageAnalysis]: Checked inductivity of 7532 backedges. 0 proven. 7416 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-10-19 03:14:28,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:28,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:29,658 INFO L134 CoverageAnalysis]: Checked inductivity of 7532 backedges. 0 proven. 7416 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-10-19 03:14:29,693 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 [2024-10-19 03:14:29,766 INFO L85 PathProgramCache]: Analyzing trace with hash -453018492, now seen corresponding path program 1 times [2024-10-19 03:14:29,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:29,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:31,183 INFO L134 CoverageAnalysis]: Checked inductivity of 7538 backedges. 0 proven. 7416 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-19 03:14:31,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:31,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:32,489 INFO L134 CoverageAnalysis]: Checked inductivity of 7538 backedges. 0 proven. 7416 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-19 03:14:32,531 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-19 03:14:32,531 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 [2024-10-19 03:14:32,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1564437161, now seen corresponding path program 1 times [2024-10-19 03:14:32,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:32,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 7539 backedges. 0 proven. 7416 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-10-19 03:14:33,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:33,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 7539 backedges. 0 proven. 7416 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-10-19 03:14:35,416 INFO L85 PathProgramCache]: Analyzing trace with hash 125387586, now seen corresponding path program 1 times [2024-10-19 03:14:35,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:35,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:36,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7535 backedges. 0 proven. 7416 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-19 03:14:36,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:36,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:37,870 INFO L134 CoverageAnalysis]: Checked inductivity of 7535 backedges. 0 proven. 7416 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-19 03:14:37,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:37,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:14:37,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:37,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:14:37,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:14:37,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 03:14:37,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-19 03:14:37,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-19 03:14:38,072 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,SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-10-19 03:14:38,072 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)] === [2024-10-19 03:14:38,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:14:38,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1305103568, now seen corresponding path program 3 times [2024-10-19 03:14:38,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:14:38,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413597241] [2024-10-19 03:14:38,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:38,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:39,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6908 backedges. 1314 proven. 5526 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-19 03:14:39,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:14:39,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413597241] [2024-10-19 03:14:39,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413597241] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 03:14:39,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648412020] [2024-10-19 03:14:39,698 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-19 03:14:39,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:14:39,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:14:39,700 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) [2024-10-19 03:14:39,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-19 03:14:40,284 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-19 03:14:40,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 03:14:40,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-19 03:14:40,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 03:14:41,754 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 [2024-10-19 03:14:41,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-19 03:14:41,782 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 [2024-10-19 03:14:41,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-19 03:14:41,806 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 [2024-10-19 03:14:41,825 INFO L134 CoverageAnalysis]: Checked inductivity of 6908 backedges. 534 proven. 59 refuted. 0 times theorem prover too weak. 6315 trivial. 0 not checked. [2024-10-19 03:14:41,825 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 03:14:41,894 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-19 03:14:41,895 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 [2024-10-19 03:14:41,896 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 [2024-10-19 03:14:42,490 INFO L134 CoverageAnalysis]: Checked inductivity of 6908 backedges. 534 proven. 59 refuted. 0 times theorem prover too weak. 6315 trivial. 0 not checked. [2024-10-19 03:14:42,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648412020] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 03:14:42,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 03:14:42,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 4, 4] total 27 [2024-10-19 03:14:42,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762761817] [2024-10-19 03:14:42,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 03:14:42,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-19 03:14:42,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:14:42,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-19 03:14:42,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=468, Unknown=4, NotChecked=0, Total=702 [2024-10-19 03:14:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:42,493 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:14:42,494 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) [2024-10-19 03:14:42,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:42,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:14:42,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:42,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:14:42,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:14:42,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 03:14:42,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-19 03:14:42,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:14:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:14:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 03:14:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 03:14:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-19 03:14:46,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-19 03:14:46,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-19 03:14:46,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-10-19 03:14:46,511 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)] === [2024-10-19 03:14:46,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:14:46,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1507367222, now seen corresponding path program 1 times [2024-10-19 03:14:46,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:14:46,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288536379] [2024-10-19 03:14:46,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:46,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:14:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6365 backedges. 5873 proven. 492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:14:47,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:14:47,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288536379] [2024-10-19 03:14:47,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288536379] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 03:14:47,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750165135] [2024-10-19 03:14:47,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:14:47,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:14:47,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:14:47,893 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) [2024-10-19 03:14:47,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-19 03:14:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:14:48,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 2501 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-19 03:14:48,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 03:14:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6365 backedges. 5112 proven. 0 refuted. 0 times theorem prover too weak. 1253 trivial. 0 not checked. [2024-10-19 03:14:49,023 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-19 03:14:49,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750165135] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:14:49,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-19 03:14:49,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [22] total 23 [2024-10-19 03:14:49,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943825708] [2024-10-19 03:14:49,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:14:49,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-19 03:14:49,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:14:49,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-19 03:14:49,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=272, Unknown=0, NotChecked=0, Total=506 [2024-10-19 03:14:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:14:49,025 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:14:49,025 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) [2024-10-19 03:14:49,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:49,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:14:49,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:14:49,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:14:49,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 03:14:49,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 03:14:49,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-19 03:14:49,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-19 03:14:49,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:15:19,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:15:19,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:15:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:15:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:15:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 03:15:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 03:15:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-19 03:15:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-19 03:15:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-19 03:15:19,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-19 03:15:19,935 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,SelfDestructingSolverStorable58 [2024-10-19 03:15:19,936 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)] === [2024-10-19 03:15:19,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:15:19,936 INFO L85 PathProgramCache]: Analyzing trace with hash -486239128, now seen corresponding path program 2 times [2024-10-19 03:15:19,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:15:19,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857877850] [2024-10-19 03:15:19,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:15:19,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:15:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:15:20,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4820 backedges. 534 proven. 2 refuted. 0 times theorem prover too weak. 4284 trivial. 0 not checked. [2024-10-19 03:15:20,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:15:20,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857877850] [2024-10-19 03:15:20,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857877850] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 03:15:20,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934358960] [2024-10-19 03:15:20,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-19 03:15:20,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:15:20,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:15:20,409 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) [2024-10-19 03:15:20,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-19 03:15:21,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-19 03:15:21,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 03:15:21,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 2111 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-19 03:15:21,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 03:15:21,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4820 backedges. 536 proven. 0 refuted. 0 times theorem prover too weak. 4284 trivial. 0 not checked. [2024-10-19 03:15:21,193 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-19 03:15:21,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934358960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:15:21,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-19 03:15:21,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-10-19 03:15:21,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120898609] [2024-10-19 03:15:21,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:15:21,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-19 03:15:21,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:15:21,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-19 03:15:21,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-19 03:15:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:15:21,194 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:15:21,195 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) [2024-10-19 03:15:21,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:15:21,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 03:15:21,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:15:21,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-19 03:15:21,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 03:15:21,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 03:15:21,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-19 03:15:21,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-19 03:15:21,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-19 03:15:21,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.