./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -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/weaver/popl20-figure3.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a479da07a0fc6d1ad250c3f67241d6294523a3c8fee4f6d465a7a5bdc9204f86 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -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 13:39:12,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 13:39:12,511 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 13:39:12,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 13:39:12,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 13:39:12,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 13:39:12,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 13:39:12,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 13:39:12,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 13:39:12,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 13:39:12,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 13:39:12,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 13:39:12,546 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 13:39:12,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 13:39:12,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 13:39:12,548 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 13:39:12,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 13:39:12,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 13:39:12,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 13:39:12,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 13:39:12,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 13:39:12,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 13:39:12,552 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 13:39:12,552 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 13:39:12,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 13:39:12,553 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 13:39:12,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 13:39:12,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 13:39:12,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 13:39:12,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 13:39:12,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 13:39:12,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 13:39:12,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 13:39:12,555 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 13:39:12,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 13:39:12,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 13:39:12,556 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 13:39:12,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 13:39:12,557 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 13:39:12,557 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 13:39:12,557 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 13:39:12,557 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a479da07a0fc6d1ad250c3f67241d6294523a3c8fee4f6d465a7a5bdc9204f86 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-10-18 13:39:12,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 13:39:12,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 13:39:12,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 13:39:12,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 13:39:12,844 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 13:39:12,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2024-10-18 13:39:14,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 13:39:14,471 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 13:39:14,472 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2024-10-18 13:39:14,479 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2404a20aa/132d0be03e3a4eb6ab53a673641b8e7e/FLAGa33bef7d6 [2024-10-18 13:39:14,870 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2404a20aa/132d0be03e3a4eb6ab53a673641b8e7e [2024-10-18 13:39:14,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 13:39:14,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 13:39:14,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 13:39:14,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 13:39:14,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 13:39:14,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 01:39:14" (1/1) ... [2024-10-18 13:39:14,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371b6ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:14, skipping insertion in model container [2024-10-18 13:39:14,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 01:39:14" (1/1) ... [2024-10-18 13:39:14,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 13:39:15,124 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c[2147,2160] [2024-10-18 13:39:15,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 13:39:15,144 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 13:39:15,162 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c[2147,2160] [2024-10-18 13:39:15,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 13:39:15,176 INFO L204 MainTranslator]: Completed translation [2024-10-18 13:39:15,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:15 WrapperNode [2024-10-18 13:39:15,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 13:39:15,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 13:39:15,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 13:39:15,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 13:39:15,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:15" (1/1) ... [2024-10-18 13:39:15,188 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:15" (1/1) ... [2024-10-18 13:39:15,202 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-10-18 13:39:15,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 13:39:15,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 13:39:15,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 13:39:15,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 13:39:15,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:15" (1/1) ... [2024-10-18 13:39:15,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:15" (1/1) ... [2024-10-18 13:39:15,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:15" (1/1) ... [2024-10-18 13:39:15,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:15" (1/1) ... [2024-10-18 13:39:15,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:15" (1/1) ... [2024-10-18 13:39:15,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:15" (1/1) ... [2024-10-18 13:39:15,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:15" (1/1) ... [2024-10-18 13:39:15,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:15" (1/1) ... [2024-10-18 13:39:15,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 13:39:15,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 13:39:15,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 13:39:15,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 13:39:15,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:15" (1/1) ... [2024-10-18 13:39:15,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 13:39:15,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:39:15,268 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 13:39:15,272 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 13:39:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 13:39:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 13:39:15,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 13:39:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 13:39:15,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 13:39:15,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 13:39:15,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 13:39:15,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 13:39:15,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 13:39:15,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 13:39:15,328 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 13:39:15,428 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 13:39:15,430 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 13:39:15,628 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 13:39:15,628 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 13:39:15,769 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 13:39:15,769 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-18 13:39:15,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 01:39:15 BoogieIcfgContainer [2024-10-18 13:39:15,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 13:39:15,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 13:39:15,773 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 13:39:15,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 13:39:15,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 01:39:14" (1/3) ... [2024-10-18 13:39:15,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778cee4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 01:39:15, skipping insertion in model container [2024-10-18 13:39:15,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:39:15" (2/3) ... [2024-10-18 13:39:15,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778cee4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 01:39:15, skipping insertion in model container [2024-10-18 13:39:15,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 01:39:15" (3/3) ... [2024-10-18 13:39:15,778 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure3.wvr.c [2024-10-18 13:39:15,793 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 13:39:15,793 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 13:39:15,794 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 13:39:15,842 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-18 13:39:15,890 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 13:39:15,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 13:39:15,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:39:15,894 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 13:39:15,896 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 13:39:15,982 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 13:39:16,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:16,004 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 13:39:16,011 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;@66788865, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 13:39:16,013 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-18 13:39:16,430 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 13:39:16,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:16,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1468535759, now seen corresponding path program 1 times [2024-10-18 13:39:16,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:39:16,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466468234] [2024-10-18 13:39:16,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:16,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:16,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:39:16,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:39:16,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466468234] [2024-10-18 13:39:16,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466468234] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 13:39:16,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 13:39:16,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 13:39:16,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190678704] [2024-10-18 13:39:16,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 13:39:16,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 13:39:16,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:39:16,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 13:39:16,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-18 13:39:16,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:16,945 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:39:16,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 13:39:16,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:17,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:17,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 13:39:17,066 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 13:39:17,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:17,069 INFO L85 PathProgramCache]: Analyzing trace with hash 438763244, now seen corresponding path program 1 times [2024-10-18 13:39:17,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:39:17,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524944702] [2024-10-18 13:39:17,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:17,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:17,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:39:17,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:39:17,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524944702] [2024-10-18 13:39:17,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524944702] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:39:17,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14320664] [2024-10-18 13:39:17,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:17,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:39:17,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:39:17,474 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 13:39:17,476 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 13:39:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:17,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-18 13:39:17,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:39:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:39:17,675 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:39:17,844 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:39:17,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14320664] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:39:17,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:39:17,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-10-18 13:39:17,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402357234] [2024-10-18 13:39:17,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:39:17,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-18 13:39:17,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:39:17,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-18 13:39:17,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-10-18 13:39:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:17,863 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:39:17,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 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 13:39:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:39:18,355 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 13:39:18,538 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 13:39:18,538 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 13:39:18,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:18,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1137837116, now seen corresponding path program 2 times [2024-10-18 13:39:18,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:39:18,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669135610] [2024-10-18 13:39:18,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:18,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-18 13:39:18,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:39:18,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669135610] [2024-10-18 13:39:18,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669135610] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:39:18,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148469861] [2024-10-18 13:39:18,776 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 13:39:18,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:39:18,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:39:18,778 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 13:39:18,780 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 13:39:18,842 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 13:39:18,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:39:18,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-18 13:39:18,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:39:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 13:39:18,926 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:39:19,021 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 13:39:19,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148469861] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:39:19,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:39:19,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 6 [2024-10-18 13:39:19,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128886286] [2024-10-18 13:39:19,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:39:19,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 13:39:19,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:39:19,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 13:39:19,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-18 13:39:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:19,039 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:39:19,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 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 13:39:19,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:19,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:39:19,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:19,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:19,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:39:19,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:19,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-18 13:39:19,463 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 13:39:19,464 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 13:39:19,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:39:19,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1532910741, now seen corresponding path program 3 times [2024-10-18 13:39:19,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:39:19,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503489620] [2024-10-18 13:39:19,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:19,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:39:19,804 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 43 proven. 52 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-18 13:39:19,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:39:19,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503489620] [2024-10-18 13:39:19,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503489620] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:39:19,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678420229] [2024-10-18 13:39:19,806 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 13:39:19,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:39:19,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:39:19,809 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 13:39:19,810 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 13:39:19,986 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-10-18 13:39:19,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:39:19,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-18 13:39:19,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:39:20,381 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:39:20,381 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:39:21,121 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:39:21,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678420229] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:39:21,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:39:21,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 36 [2024-10-18 13:39:21,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683266341] [2024-10-18 13:39:21,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:39:21,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-10-18 13:39:21,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:39:21,188 INFO L85 PathProgramCache]: Analyzing trace with hash 522567875, now seen corresponding path program 1 times [2024-10-18 13:39:21,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:21,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 13:39:21,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 13:39:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 13:39:21,351 INFO L85 PathProgramCache]: Analyzing trace with hash -707036177, now seen corresponding path program 1 times [2024-10-18 13:39:21,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:39:21,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:39:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 13:39:21,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 13:39:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 13:39:21,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-10-18 13:39:21,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1058, Unknown=0, NotChecked=0, Total=1260 [2024-10-18 13:39:21,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:21,407 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:39:21,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.5277777777777777) internal successors, (127), 36 states have internal predecessors, (127), 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 13:39:21,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:39:21,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:39:21,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:39:21,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:39:29,866 WARN L286 SmtUtils]: Spent 7.24s on a formula simplification. DAG size of input: 40 DAG size of output: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 13:39:40,071 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification. DAG size of input: 43 DAG size of output: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 13:39:47,509 WARN L286 SmtUtils]: Spent 7.23s on a formula simplification. DAG size of input: 43 DAG size of output: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 13:39:49,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 13:39:51,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 13:40:01,967 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification. DAG size of input: 46 DAG size of output: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 13:40:04,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 13:40:17,335 WARN L286 SmtUtils]: Spent 10.20s on a formula simplification. DAG size of input: 50 DAG size of output: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 13:40:19,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 13:40:29,719 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification. DAG size of input: 46 DAG size of output: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 13:40:31,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 13:40:44,600 WARN L286 SmtUtils]: Spent 10.18s on a formula simplification. DAG size of input: 50 DAG size of output: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 13:41:41,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:41:41,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:41:41,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:41:41,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-10-18 13:41:41,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-18 13:41:41,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:41:41,951 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 13:41:41,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:41:41,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1055267155, now seen corresponding path program 4 times [2024-10-18 13:41:41,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:41:41,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750912457] [2024-10-18 13:41:41,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:41:41,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:41:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:41:42,454 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-10-18 13:41:42,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:41:42,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750912457] [2024-10-18 13:41:42,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750912457] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:41:42,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989420827] [2024-10-18 13:41:42,455 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 13:41:42,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:41:42,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:41:42,457 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 13:41:42,458 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 13:41:42,527 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 13:41:42,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:41:42,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-10-18 13:41:42,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:41:43,003 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:41:43,004 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:41:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:41:43,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989420827] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:41:43,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:41:43,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 21, 21] total 45 [2024-10-18 13:41:43,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189216724] [2024-10-18 13:41:43,774 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:41:43,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-10-18 13:41:43,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:41:43,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-10-18 13:41:43,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=1676, Unknown=0, NotChecked=0, Total=1980 [2024-10-18 13:41:43,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:41:43,799 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:41:43,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.066666666666667) internal successors, (138), 45 states have internal predecessors, (138), 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 13:41:43,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:41:43,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:41:43,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:41:43,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-10-18 13:41:43,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:42:03,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 13:42:14,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:42:14,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:42:14,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:42:14,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-18 13:42:14,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-18 13:42:14,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-18 13:42:15,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-18 13:42:15,041 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 13:42:15,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:42:15,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1823861206, now seen corresponding path program 5 times [2024-10-18 13:42:15,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:42:15,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116266085] [2024-10-18 13:42:15,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:15,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:15,784 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 15 proven. 394 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-10-18 13:42:15,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:42:15,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116266085] [2024-10-18 13:42:15,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116266085] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:42:15,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993682389] [2024-10-18 13:42:15,788 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 13:42:15,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:42:15,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:42:15,791 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 13:42:15,807 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 13:42:16,304 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-10-18 13:42:16,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:42:16,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-10-18 13:42:16,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:42:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 15 proven. 562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:42:17,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:42:18,322 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 15 proven. 562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:42:18,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993682389] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:42:18,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:42:18,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 31, 31] total 66 [2024-10-18 13:42:18,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787743579] [2024-10-18 13:42:18,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:42:18,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-10-18 13:42:18,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:42:19,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1897048452, now seen corresponding path program 1 times [2024-10-18 13:42:19,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:19,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:19,963 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-10-18 13:42:19,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:19,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:20,422 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-10-18 13:42:20,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1789774566, now seen corresponding path program 1 times [2024-10-18 13:42:20,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:20,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:21,315 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-10-18 13:42:21,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:21,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:21,777 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-10-18 13:42:21,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-10-18 13:42:21,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=652, Invalid=5668, Unknown=0, NotChecked=0, Total=6320 [2024-10-18 13:42:21,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:42:21,783 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:42:21,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 3.227272727272727) internal successors, (213), 66 states have internal predecessors, (213), 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 13:42:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:42:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:42:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:42:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-10-18 13:42:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-10-18 13:42:21,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:42:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:42:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:42:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:42:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-18 13:42:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-18 13:42:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-10-18 13:42:27,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-18 13:42:27,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-10-18 13:42:27,848 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 13:42:27,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:42:27,848 INFO L85 PathProgramCache]: Analyzing trace with hash -856372727, now seen corresponding path program 6 times [2024-10-18 13:42:27,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:42:27,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749609553] [2024-10-18 13:42:27,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:27,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:28,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 924 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2024-10-18 13:42:28,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:42:28,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749609553] [2024-10-18 13:42:28,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749609553] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:42:28,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030928053] [2024-10-18 13:42:28,785 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 13:42:28,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:42:28,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:42:28,787 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 13:42:28,789 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 13:42:29,523 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2024-10-18 13:42:29,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:42:29,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-10-18 13:42:29,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:42:29,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 914 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-10-18 13:42:29,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:42:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 914 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-10-18 13:42:30,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030928053] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:42:30,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:42:30,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2024-10-18 13:42:30,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096895320] [2024-10-18 13:42:30,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:42:30,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-18 13:42:30,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:42:31,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1828547111, now seen corresponding path program 1 times [2024-10-18 13:42:31,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:31,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-10-18 13:42:34,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:34,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-10-18 13:42:35,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1391743228, now seen corresponding path program 1 times [2024-10-18 13:42:35,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:35,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:36,352 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 0 proven. 402 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-10-18 13:42:36,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:36,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:36,773 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 0 proven. 402 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-10-18 13:42:36,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1946994967, now seen corresponding path program 1 times [2024-10-18 13:42:36,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:36,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:41,793 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 11 proven. 523 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-10-18 13:42:41,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:41,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:42,498 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 11 proven. 523 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-10-18 13:42:43,542 INFO L85 PathProgramCache]: Analyzing trace with hash 604780992, now seen corresponding path program 1 times [2024-10-18 13:42:43,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:43,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:02,549 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 0 proven. 545 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-10-18 13:43:02,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:02,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 0 proven. 545 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-10-18 13:43:03,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-18 13:43:03,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1215, Unknown=10, NotChecked=0, Total=1332 [2024-10-18 13:43:03,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:03,397 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:43:03,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:43:03,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:03,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:43:03,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:03,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-10-18 13:43:03,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-10-18 13:43:03,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-10-18 13:43:03,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:05,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:05,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:43:05,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:05,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-18 13:43:05,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-18 13:43:05,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-10-18 13:43:05,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:05,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-18 13:43:05,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-18 13:43:05,888 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 13:43:05,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:43:05,889 INFO L85 PathProgramCache]: Analyzing trace with hash -557568478, now seen corresponding path program 7 times [2024-10-18 13:43:05,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:43:05,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811337975] [2024-10-18 13:43:05,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:05,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 134 proven. 1247 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 13:43:07,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:43:07,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811337975] [2024-10-18 13:43:07,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811337975] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:43:07,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762954987] [2024-10-18 13:43:07,773 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 13:43:07,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:43:07,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:43:07,774 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 13:43:07,775 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 13:43:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:07,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-10-18 13:43:07,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:43:08,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 154 proven. 1225 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-18 13:43:08,548 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:43:12,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 154 proven. 1225 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-18 13:43:12,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762954987] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:43:12,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:43:12,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 43, 43] total 91 [2024-10-18 13:43:12,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706210794] [2024-10-18 13:43:12,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:43:12,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-10-18 13:43:12,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:43:13,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1828547135, now seen corresponding path program 1 times [2024-10-18 13:43:13,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:13,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-10-18 13:43:19,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:19,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-10-18 13:43:22,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1391743252, now seen corresponding path program 1 times [2024-10-18 13:43:22,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:22,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 0 proven. 402 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-10-18 13:43:23,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:23,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:23,462 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 0 proven. 402 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-10-18 13:43:23,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1946994943, now seen corresponding path program 1 times [2024-10-18 13:43:23,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:23,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:28,748 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 11 proven. 523 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-10-18 13:43:28,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:28,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:29,270 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 11 proven. 523 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-10-18 13:43:30,302 INFO L85 PathProgramCache]: Analyzing trace with hash 604781016, now seen corresponding path program 1 times [2024-10-18 13:43:30,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:30,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 0 proven. 545 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-10-18 13:43:50,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:50,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:51,013 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 0 proven. 545 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-10-18 13:43:51,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-10-18 13:43:51,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1319, Invalid=12950, Unknown=11, NotChecked=0, Total=14280 [2024-10-18 13:43:51,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:51,019 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:43:51,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 3.1538461538461537) internal successors, (287), 91 states have internal predecessors, (287), 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 13:43:51,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:51,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:43:51,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:51,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-10-18 13:43:51,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-10-18 13:43:51,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-10-18 13:43:51,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:51,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:44:23,561 WARN L286 SmtUtils]: Spent 21.02s on a formula simplification. DAG size of input: 83 DAG size of output: 71 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 13:44:50,524 WARN L286 SmtUtils]: Spent 21.00s on a formula simplification. DAG size of input: 87 DAG size of output: 77 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 13:44:52,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 13:44:54,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 13:44:56,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 13:44:58,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 13:45:00,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 13:45:03,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 13:45:05,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 13:45:25,913 WARN L286 SmtUtils]: Spent 15.53s on a formula simplification. DAG size of input: 87 DAG size of output: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 13:45:47,506 WARN L286 SmtUtils]: Spent 15.64s on a formula simplification. DAG size of input: 91 DAG size of output: 81 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 13:46:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:46:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:46:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:46:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-18 13:46:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-18 13:46:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-10-18 13:46:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:46:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-18 13:46:42,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-18 13:46:42,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-18 13:46:42,800 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 13:46:42,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:46:42,800 INFO L85 PathProgramCache]: Analyzing trace with hash 926338918, now seen corresponding path program 8 times [2024-10-18 13:46:42,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:46:42,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425961708] [2024-10-18 13:46:42,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:46:42,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:46:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:46:46,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3352 backedges. 206 proven. 3143 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 13:46:46,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:46:46,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425961708] [2024-10-18 13:46:46,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425961708] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:46:46,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801264942] [2024-10-18 13:46:46,611 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 13:46:46,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:46:46,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:46:46,612 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) [2024-10-18 13:46:46,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 13:46:46,710 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 13:46:46,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:46:46,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 130 conjuncts are in the unsatisfiable core [2024-10-18 13:46:46,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:46:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3352 backedges. 238 proven. 3109 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-18 13:46:47,722 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:46:57,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3352 backedges. 238 proven. 3109 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-18 13:46:57,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801264942] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:46:57,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:46:57,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 67, 67] total 139 [2024-10-18 13:46:57,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203365248] [2024-10-18 13:46:57,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:46:57,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2024-10-18 13:46:57,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:46:59,044 INFO L85 PathProgramCache]: Analyzing trace with hash 683069833, now seen corresponding path program 1 times [2024-10-18 13:46:59,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:46:59,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:46:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:47:11,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2029 backedges. 57 proven. 577 refuted. 6 times theorem prover too weak. 1389 trivial. 0 not checked. [2024-10-18 13:47:11,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:47:11,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:47:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:47:19,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2029 backedges. 57 proven. 577 refuted. 6 times theorem prover too weak. 1389 trivial. 0 not checked. [2024-10-18 13:47:19,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1438054554, now seen corresponding path program 1 times [2024-10-18 13:47:19,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:47:19,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:47:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:47:20,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2606 backedges. 0 proven. 1098 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2024-10-18 13:47:20,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:47:20,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:47:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:47:21,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2606 backedges. 0 proven. 1098 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2024-10-18 13:47:21,522 INFO L85 PathProgramCache]: Analyzing trace with hash 112502611, now seen corresponding path program 1 times [2024-10-18 13:47:21,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:47:21,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:47:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:47:27,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2820 backedges. 23 proven. 1327 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2024-10-18 13:47:27,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:47:27,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:47:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:47:28,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2820 backedges. 23 proven. 1327 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2024-10-18 13:47:29,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1488171810, now seen corresponding path program 1 times [2024-10-18 13:47:29,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:47:29,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:47:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:48:00,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 0 proven. 1361 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2024-10-18 13:48:00,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:48:00,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:48:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:48:01,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 0 proven. 1361 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2024-10-18 13:48:01,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2024-10-18 13:48:01,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3148, Invalid=25227, Unknown=17, NotChecked=0, Total=28392 [2024-10-18 13:48:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:48:01,482 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:48:01,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 139 states have (on average 3.1007194244604315) internal successors, (431), 139 states have internal predecessors, (431), 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 13:48:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:48:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 13:48:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:48:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-10-18 13:48:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-10-18 13:48:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-10-18 13:48:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:48:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-18 13:48:01,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:50:57,270 WARN L286 SmtUtils]: Spent 1.21m on a formula simplification. DAG size of input: 167 DAG size of output: 143 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Killed by 15