./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/fib_safe-11.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/pthread/fib_safe-11.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 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 --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 [2024-10-18 23:59:24,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 23:59:24,741 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 23:59:24,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 23:59:24,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 23:59:24,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 23:59:24,770 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 23:59:24,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 23:59:24,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 23:59:24,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 23:59:24,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 23:59:24,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 23:59:24,773 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 23:59:24,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 23:59:24,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 23:59:24,776 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 23:59:24,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 23:59:24,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 23:59:24,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 23:59:24,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 23:59:24,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 23:59:24,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 23:59:24,778 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 23:59:24,778 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 23:59:24,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 23:59:24,779 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 23:59:24,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 23:59:24,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 23:59:24,780 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 23:59:24,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 23:59:24,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 23:59:24,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 23:59:24,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 23:59:24,781 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 23:59:24,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 23:59:24,782 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 23:59:24,782 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 23:59:24,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 23:59:24,782 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 23:59:24,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 23:59:24,783 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 23:59:24,783 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 -> 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 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 [2024-10-18 23:59:25,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 23:59:25,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 23:59:25,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 23:59:25,108 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 23:59:25,108 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 23:59:25,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_safe-11.i [2024-10-18 23:59:26,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 23:59:26,875 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 23:59:26,875 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-11.i [2024-10-18 23:59:26,898 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9e7280058/29328b82efc944d28bfb28c09e9ad083/FLAG139fe885f [2024-10-18 23:59:27,179 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9e7280058/29328b82efc944d28bfb28c09e9ad083 [2024-10-18 23:59:27,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 23:59:27,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 23:59:27,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 23:59:27,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 23:59:27,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 23:59:27,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 11:59:27" (1/1) ... [2024-10-18 23:59:27,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1128b848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:59:27, skipping insertion in model container [2024-10-18 23:59:27,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 11:59:27" (1/1) ... [2024-10-18 23:59:27,239 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 23:59:27,588 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-11.i[30241,30254] [2024-10-18 23:59:27,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 23:59:27,630 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 23:59:27,666 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-11.i[30241,30254] [2024-10-18 23:59:27,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 23:59:27,712 INFO L204 MainTranslator]: Completed translation [2024-10-18 23:59:27,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:59:27 WrapperNode [2024-10-18 23:59:27,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 23:59:27,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 23:59:27,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 23:59:27,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 23:59:27,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:59:27" (1/1) ... [2024-10-18 23:59:27,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:59:27" (1/1) ... [2024-10-18 23:59:27,760 INFO L138 Inliner]: procedures = 164, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-10-18 23:59:27,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 23:59:27,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 23:59:27,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 23:59:27,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 23:59:27,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:59:27" (1/1) ... [2024-10-18 23:59:27,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:59:27" (1/1) ... [2024-10-18 23:59:27,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:59:27" (1/1) ... [2024-10-18 23:59:27,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:59:27" (1/1) ... [2024-10-18 23:59:27,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:59:27" (1/1) ... [2024-10-18 23:59:27,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:59:27" (1/1) ... [2024-10-18 23:59:27,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:59:27" (1/1) ... [2024-10-18 23:59:27,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:59:27" (1/1) ... [2024-10-18 23:59:27,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 23:59:27,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 23:59:27,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 23:59:27,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 23:59:27,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:59:27" (1/1) ... [2024-10-18 23:59:27,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 23:59:27,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:59:27,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 23:59:27,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 23:59:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-10-18 23:59:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-10-18 23:59:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-10-18 23:59:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-10-18 23:59:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 23:59:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 23:59:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 23:59:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 23:59:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 23:59:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 23:59:27,888 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 23:59:28,013 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 23:59:28,016 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 23:59:28,175 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 23:59:28,175 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 23:59:28,263 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 23:59:28,264 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-18 23:59:28,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 11:59:28 BoogieIcfgContainer [2024-10-18 23:59:28,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 23:59:28,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 23:59:28,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 23:59:28,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 23:59:28,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 11:59:27" (1/3) ... [2024-10-18 23:59:28,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399a17b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 11:59:28, skipping insertion in model container [2024-10-18 23:59:28,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:59:27" (2/3) ... [2024-10-18 23:59:28,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399a17b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 11:59:28, skipping insertion in model container [2024-10-18 23:59:28,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 11:59:28" (3/3) ... [2024-10-18 23:59:28,273 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-11.i [2024-10-18 23:59:28,291 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 23:59:28,292 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 23:59:28,292 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 23:59:28,334 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 23:59:28,375 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 23:59:28,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 23:59:28,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:59:28,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 23:59:28,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 23:59:28,460 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 23:59:28,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:59:28,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 23:59:28,483 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;@912184f, 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 [2024-10-18 23:59:28,484 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-18 23:59:29,083 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 23:59:29,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:59:29,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1703157173, now seen corresponding path program 1 times [2024-10-18 23:59:29,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:59:29,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929928996] [2024-10-18 23:59:29,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:59:29,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:59:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:59:29,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:29,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:59:29,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929928996] [2024-10-18 23:59:29,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929928996] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 23:59:29,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 23:59:29,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 23:59:29,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316657425] [2024-10-18 23:59:29,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 23:59:29,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 23:59:29,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:59:29,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 23:59:29,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 23:59:29,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:59:29,427 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:59:29,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 23:59:29,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:59:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 23:59:29,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 23:59:29,509 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 23:59:29,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:59:29,510 INFO L85 PathProgramCache]: Analyzing trace with hash 311074172, now seen corresponding path program 1 times [2024-10-18 23:59:29,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:59:29,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473609916] [2024-10-18 23:59:29,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:59:29,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:59:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:59:29,679 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:29,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:59:29,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473609916] [2024-10-18 23:59:29,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473609916] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:59:29,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643859760] [2024-10-18 23:59:29,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:59:29,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:59:29,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:59:29,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:59:29,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 23:59:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:59:29,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-18 23:59:29,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:59:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:29,872 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:59:29,933 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:29,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643859760] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:59:29,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:59:29,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-18 23:59:29,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563967263] [2024-10-18 23:59:29,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:59:29,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 23:59:29,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:59:29,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 23:59:29,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-18 23:59:29,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:59:29,942 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:59:29,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 23:59:29,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 23:59:29,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:59:30,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 23:59:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 23:59:30,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 23:59:30,273 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,SelfDestructingSolverStorable1 [2024-10-18 23:59:30,274 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 23:59:30,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:59:30,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1499777035, now seen corresponding path program 2 times [2024-10-18 23:59:30,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:59:30,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448981748] [2024-10-18 23:59:30,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:59:30,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:59:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:59:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:30,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:59:30,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448981748] [2024-10-18 23:59:30,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448981748] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:59:30,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68701030] [2024-10-18 23:59:30,483 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 23:59:30,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:59:30,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:59:30,486 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:59:30,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 23:59:30,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 23:59:30,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:59:30,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-18 23:59:30,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:59:30,671 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:30,672 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:59:30,775 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:30,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68701030] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:59:30,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:59:30,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-10-18 23:59:30,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740878195] [2024-10-18 23:59:30,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:59:30,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-18 23:59:30,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:59:30,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-18 23:59:30,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-18 23:59:30,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:59:30,779 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:59:30,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 23:59:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 23:59:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 23:59:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:59:30,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 23:59:30,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 23:59:30,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 23:59:30,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-18 23:59:31,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:59:31,126 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 23:59:31,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:59:31,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1238457173, now seen corresponding path program 3 times [2024-10-18 23:59:31,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:59:31,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139558580] [2024-10-18 23:59:31,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:59:31,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:59:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:59:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:31,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:59:31,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139558580] [2024-10-18 23:59:31,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139558580] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:59:31,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549297661] [2024-10-18 23:59:31,497 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 23:59:31,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:59:31,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:59:31,500 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:59:31,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 23:59:31,612 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-18 23:59:31,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:59:31,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-18 23:59:31,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:59:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:31,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:59:32,057 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:32,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549297661] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:59:32,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:59:32,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-10-18 23:59:32,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675084200] [2024-10-18 23:59:32,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:59:32,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-18 23:59:32,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:59:32,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-18 23:59:32,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-10-18 23:59:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:59:32,061 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:59:32,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.08) internal successors, (177), 25 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 23:59:32,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 23:59:32,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 23:59:32,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 23:59:32,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:59:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 23:59:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 23:59:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 23:59:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:59:32,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-18 23:59:32,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:59:32,576 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 23:59:32,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:59:32,576 INFO L85 PathProgramCache]: Analyzing trace with hash 66258411, now seen corresponding path program 4 times [2024-10-18 23:59:32,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:59:32,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234955168] [2024-10-18 23:59:32,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:59:32,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:59:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:59:33,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:33,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:59:33,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234955168] [2024-10-18 23:59:33,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234955168] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:59:33,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676505604] [2024-10-18 23:59:33,436 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 23:59:33,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:59:33,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:59:33,441 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:59:33,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 23:59:33,571 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 23:59:33,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:59:33,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-18 23:59:33,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:59:33,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1320 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-10-18 23:59:33,916 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 23:59:33,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676505604] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 23:59:33,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 23:59:33,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [25] total 37 [2024-10-18 23:59:33,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073052245] [2024-10-18 23:59:33,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 23:59:33,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-18 23:59:33,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:59:33,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-18 23:59:33,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=390, Invalid=942, Unknown=0, NotChecked=0, Total=1332 [2024-10-18 23:59:33,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:59:33,920 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:59:33,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 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) [2024-10-18 23:59:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 23:59:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 23:59:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 23:59:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:59:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:59:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 23:59:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 23:59:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 23:59:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:59:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:59:34,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-18 23:59:34,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:59:34,332 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 23:59:34,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:59:34,333 INFO L85 PathProgramCache]: Analyzing trace with hash 2093290979, now seen corresponding path program 1 times [2024-10-18 23:59:34,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:59:34,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228783720] [2024-10-18 23:59:34,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:59:34,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:59:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:59:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 0 proven. 1188 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:35,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:59:35,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228783720] [2024-10-18 23:59:35,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228783720] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:59:35,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642520636] [2024-10-18 23:59:35,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:59:35,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:59:35,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:59:35,014 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:59:35,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 23:59:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:59:35,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-18 23:59:35,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:59:35,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 935 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-10-18 23:59:35,455 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 23:59:35,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642520636] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 23:59:35,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 23:59:35,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [25] total 37 [2024-10-18 23:59:35,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052968217] [2024-10-18 23:59:35,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 23:59:35,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-18 23:59:35,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:59:35,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-18 23:59:35,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=390, Invalid=942, Unknown=0, NotChecked=0, Total=1332 [2024-10-18 23:59:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:59:35,458 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:59:35,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 23:59:35,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 23:59:35,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 23:59:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 23:59:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:59:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:59:35,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:59:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 23:59:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 23:59:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 23:59:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:59:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:59:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:59:35,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-18 23:59:35,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:59:35,877 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 23:59:35,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:59:35,877 INFO L85 PathProgramCache]: Analyzing trace with hash 239409840, now seen corresponding path program 1 times [2024-10-18 23:59:35,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:59:35,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36827657] [2024-10-18 23:59:35,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:59:35,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:59:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:59:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 605 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:36,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:59:36,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36827657] [2024-10-18 23:59:36,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36827657] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:59:36,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555662973] [2024-10-18 23:59:36,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:59:36,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:59:36,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:59:36,461 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:59:36,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 23:59:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:59:36,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-18 23:59:36,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:59:36,706 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 605 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:36,706 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:59:37,080 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 605 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:37,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555662973] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:59:37,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:59:37,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 27 [2024-10-18 23:59:37,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091410680] [2024-10-18 23:59:37,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:59:37,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-18 23:59:37,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:59:37,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-18 23:59:37,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2024-10-18 23:59:37,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:59:37,083 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:59:37,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.592592592592593) internal successors, (124), 27 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 23:59:37,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 23:59:37,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 23:59:37,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 23:59:37,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:59:37,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:59:37,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:59:37,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:59:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 23:59:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 23:59:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 23:59:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:59:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:59:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:59:37,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 23:59:37,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-18 23:59:37,408 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,SelfDestructingSolverStorable6 [2024-10-18 23:59:37,409 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 23:59:37,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:59:37,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1625412656, now seen corresponding path program 2 times [2024-10-18 23:59:37,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:59:37,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854324763] [2024-10-18 23:59:37,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:59:37,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:59:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:59:41,430 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:41,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:59:41,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854324763] [2024-10-18 23:59:41,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854324763] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:59:41,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725660513] [2024-10-18 23:59:41,430 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 23:59:41,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:59:41,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:59:41,433 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:59:41,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 23:59:41,536 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 23:59:41,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:59:41,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-10-18 23:59:41,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:59:45,629 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 78 proven. 574 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:45,630 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:59:50,935 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:59:50,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725660513] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:59:50,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:59:50,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 156 [2024-10-18 23:59:50,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928086977] [2024-10-18 23:59:50,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:59:50,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2024-10-18 23:59:50,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:59:50,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2024-10-18 23:59:50,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2190, Invalid=22302, Unknown=0, NotChecked=0, Total=24492 [2024-10-18 23:59:50,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:59:50,947 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:59:50,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 2.031847133757962) internal successors, (319), 156 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 23:59:50,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 23:59:50,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 23:59:50,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 23:59:50,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:59:50,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:59:50,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:59:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-18 23:59:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 00:00:18,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1375855459, now seen corresponding path program 1 times [2024-10-19 00:00:18,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:00:18,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:00:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:00:18,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:00:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:00:21,843 INFO L85 PathProgramCache]: Analyzing trace with hash 747167356, now seen corresponding path program 1 times [2024-10-19 00:00:21,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:00:21,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:00:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:00:21,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:00:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:00:23,436 INFO L85 PathProgramCache]: Analyzing trace with hash -338229193, now seen corresponding path program 1 times [2024-10-19 00:00:23,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:00:23,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:00:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:00:23,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:00:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:00:23,665 INFO L85 PathProgramCache]: Analyzing trace with hash 957680750, now seen corresponding path program 1 times [2024-10-19 00:00:23,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:00:23,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:00:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:00:23,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:00:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:00:42,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1360798342, now seen corresponding path program 1 times [2024-10-19 00:00:42,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:00:42,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:00:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:00:42,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:00:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:00:45,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1714608562, now seen corresponding path program 1 times [2024-10-19 00:00:45,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:00:45,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:00:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:00:45,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:00:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:00:45,352 INFO L85 PathProgramCache]: Analyzing trace with hash -622826842, now seen corresponding path program 1 times [2024-10-19 00:00:45,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:00:45,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:00:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:00:45,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:00:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:00:51,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1150888355, now seen corresponding path program 1 times [2024-10-19 00:00:51,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:00:51,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:00:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:00:51,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:00:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:01:02,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 00:01:02,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 00:01:02,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 00:01:02,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-19 00:01:02,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 00:01:02,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 00:01:02,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-19 00:01:02,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-10-19 00:01:02,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-19 00:01:02,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 00:01:02,212 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 00:01:02,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 00:01:02,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1306898886, now seen corresponding path program 3 times [2024-10-19 00:01:02,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 00:01:02,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741041710] [2024-10-19 00:01:02,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:01:02,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:01:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 00:01:05,744 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:01:05,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 00:01:05,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741041710] [2024-10-19 00:01:05,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741041710] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 00:01:05,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460712758] [2024-10-19 00:01:05,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-19 00:01:05,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 00:01:05,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 00:01:05,748 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 00:01:05,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-19 00:01:05,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-10-19 00:01:05,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 00:01:05,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-10-19 00:01:05,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 00:01:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 66 proven. 586 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:01:09,649 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 00:01:14,620 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:01:14,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460712758] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 00:01:14,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 00:01:14,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 156 [2024-10-19 00:01:14,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032757377] [2024-10-19 00:01:14,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 00:01:14,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2024-10-19 00:01:14,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 00:01:14,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2024-10-19 00:01:14,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2124, Invalid=22368, Unknown=0, NotChecked=0, Total=24492 [2024-10-19 00:01:14,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 00:01:14,629 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 00:01:14,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 2.031847133757962) internal successors, (319), 156 states have internal predecessors, (319), 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 00:01:14,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 00:01:14,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 00:01:14,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 00:01:14,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-19 00:01:14,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 00:01:14,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 00:01:14,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-19 00:01:14,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-10-19 00:01:14,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 00:01:37,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1375855409, now seen corresponding path program 1 times [2024-10-19 00:01:37,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:01:37,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:01:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:01:37,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:01:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:01:41,664 INFO L85 PathProgramCache]: Analyzing trace with hash 747167406, now seen corresponding path program 1 times [2024-10-19 00:01:41,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:01:41,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:01:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:01:41,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:01:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:01:42,387 INFO L85 PathProgramCache]: Analyzing trace with hash 957680799, now seen corresponding path program 1 times [2024-10-19 00:01:42,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:01:42,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:01:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:01:42,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:01:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:01:49,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1360798391, now seen corresponding path program 1 times [2024-10-19 00:01:49,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:01:49,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:01:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:01:49,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:01:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:01:51,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1714608513, now seen corresponding path program 1 times [2024-10-19 00:01:51,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:01:51,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:01:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:01:51,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:01:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:01:52,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1150888311, now seen corresponding path program 1 times [2024-10-19 00:01:52,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:01:52,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:01:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:01:52,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:01:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:03:53,336 INFO L85 PathProgramCache]: Analyzing trace with hash 239969544, now seen corresponding path program 1 times [2024-10-19 00:03:53,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:03:53,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:03:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:03:53,347 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:03:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:04:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 00:04:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 00:04:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 00:04:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-19 00:04:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 00:04:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 00:04:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-19 00:04:02,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2024-10-19 00:04:02,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2024-10-19 00:04:02,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-19 00:04:02,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-19 00:04:02,723 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 00:04:02,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 00:04:02,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1287709648, now seen corresponding path program 4 times [2024-10-19 00:04:02,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 00:04:02,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792143294] [2024-10-19 00:04:02,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:04:02,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:04:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 00:04:05,914 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:04:05,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 00:04:05,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792143294] [2024-10-19 00:04:05,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792143294] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 00:04:05,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583234525] [2024-10-19 00:04:05,915 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-19 00:04:05,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 00:04:05,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 00:04:05,917 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 00:04:05,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-19 00:04:06,006 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-19 00:04:06,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 00:04:06,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-10-19 00:04:06,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 00:04:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 78 proven. 574 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:04:09,842 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 00:04:14,591 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:04:14,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583234525] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 00:04:14,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 00:04:14,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 156 [2024-10-19 00:04:14,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444350064] [2024-10-19 00:04:14,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 00:04:14,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2024-10-19 00:04:14,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 00:04:14,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2024-10-19 00:04:14,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2157, Invalid=22335, Unknown=0, NotChecked=0, Total=24492 [2024-10-19 00:04:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 00:04:14,599 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 00:04:14,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 2.031847133757962) internal successors, (319), 156 states have internal predecessors, (319), 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 00:04:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 00:04:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 00:04:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 00:04:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-19 00:04:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 00:04:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 00:04:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-19 00:04:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2024-10-19 00:04:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2024-10-19 00:04:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 00:06:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 00:06:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 00:06:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 00:06:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-19 00:06:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 00:06:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 00:06:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-19 00:06:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-10-19 00:06:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-10-19 00:06:50,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 315 states. [2024-10-19 00:06:50,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-19 00:06:50,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-19 00:06:50,580 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 00:06:50,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 00:06:50,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1299003984, now seen corresponding path program 5 times [2024-10-19 00:06:50,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 00:06:50,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316516089] [2024-10-19 00:06:50,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:06:50,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:06:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 00:06:53,515 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:06:53,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 00:06:53,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316516089] [2024-10-19 00:06:53,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316516089] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 00:06:53,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605105719] [2024-10-19 00:06:53,516 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-19 00:06:53,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 00:06:53,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 00:06:53,517 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 00:06:53,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-19 00:06:53,675 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-10-19 00:06:53,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 00:06:53,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-10-19 00:06:53,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 00:06:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 66 proven. 586 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:06:57,553 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 00:07:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:07:02,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605105719] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 00:07:02,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 00:07:02,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 156 [2024-10-19 00:07:02,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702536280] [2024-10-19 00:07:02,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 00:07:02,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2024-10-19 00:07:02,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 00:07:02,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2024-10-19 00:07:02,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2189, Invalid=22303, Unknown=0, NotChecked=0, Total=24492 [2024-10-19 00:07:02,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 00:07:02,383 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 00:07:02,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 2.031847133757962) internal successors, (319), 156 states have internal predecessors, (319), 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 00:07:02,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 00:07:02,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 00:07:02,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 00:07:02,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-19 00:07:02,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 00:07:02,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 00:07:02,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-19 00:07:02,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-10-19 00:07:02,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-10-19 00:07:02,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 315 states. [2024-10-19 00:07:02,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15