./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5dad65ad 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/chl-chromosome-opt-symm.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 b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-dev-5dad65a-m [2024-10-22 11:44:10,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-22 11:44:10,225 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-22 11:44:10,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-22 11:44:10,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-22 11:44:10,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-22 11:44:10,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-22 11:44:10,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-22 11:44:10,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-22 11:44:10,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-22 11:44:10,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-22 11:44:10,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-22 11:44:10,244 INFO L153 SettingsManager]: * Use SBE=true [2024-10-22 11:44:10,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-22 11:44:10,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-22 11:44:10,245 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-22 11:44:10,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-22 11:44:10,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-22 11:44:10,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-22 11:44:10,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-22 11:44:10,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-22 11:44:10,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-22 11:44:10,249 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-22 11:44:10,249 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-22 11:44:10,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-22 11:44:10,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-22 11:44:10,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-22 11:44:10,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-22 11:44:10,250 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-22 11:44:10,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-22 11:44:10,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-22 11:44:10,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-22 11:44:10,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-22 11:44:10,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-22 11:44:10,250 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-22 11:44:10,250 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-22 11:44:10,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-22 11:44:10,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-22 11:44:10,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-22 11:44:10,251 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-22 11:44:10,251 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-22 11:44:10,253 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2024-10-22 11:44:10,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-22 11:44:10,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-22 11:44:10,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-22 11:44:10,453 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-22 11:44:10,454 INFO L274 PluginConnector]: CDTParser initialized [2024-10-22 11:44:10,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c [2024-10-22 11:44:11,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-22 11:44:11,768 INFO L384 CDTParser]: Found 1 translation units. [2024-10-22 11:44:11,769 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c [2024-10-22 11:44:11,774 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e3044684d/8ca6cccbcedf44fd973f5d3051e5425b/FLAG55599338d [2024-10-22 11:44:11,784 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e3044684d/8ca6cccbcedf44fd973f5d3051e5425b [2024-10-22 11:44:11,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-22 11:44:11,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-22 11:44:11,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-22 11:44:11,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-22 11:44:11,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-22 11:44:11,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:44:11" (1/1) ... [2024-10-22 11:44:11,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e319300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:44:11, skipping insertion in model container [2024-10-22 11:44:11,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:44:11" (1/1) ... [2024-10-22 11:44:11,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-22 11:44:11,970 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c[2592,2605] [2024-10-22 11:44:11,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 11:44:11,992 INFO L200 MainTranslator]: Completed pre-run [2024-10-22 11:44:12,006 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c[2592,2605] [2024-10-22 11:44:12,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 11:44:12,023 INFO L204 MainTranslator]: Completed translation [2024-10-22 11:44:12,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:44:12 WrapperNode [2024-10-22 11:44:12,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-22 11:44:12,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-22 11:44:12,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-22 11:44:12,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-22 11:44:12,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:44:12" (1/1) ... [2024-10-22 11:44:12,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:44:12" (1/1) ... [2024-10-22 11:44:12,083 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 169 [2024-10-22 11:44:12,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-22 11:44:12,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-22 11:44:12,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-22 11:44:12,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-22 11:44:12,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:44:12" (1/1) ... [2024-10-22 11:44:12,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:44:12" (1/1) ... [2024-10-22 11:44:12,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:44:12" (1/1) ... [2024-10-22 11:44:12,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:44:12" (1/1) ... [2024-10-22 11:44:12,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:44:12" (1/1) ... [2024-10-22 11:44:12,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:44:12" (1/1) ... [2024-10-22 11:44:12,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:44:12" (1/1) ... [2024-10-22 11:44:12,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:44:12" (1/1) ... [2024-10-22 11:44:12,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-22 11:44:12,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-22 11:44:12,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-22 11:44:12,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-22 11:44:12,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:44:12" (1/1) ... [2024-10-22 11:44:12,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-22 11:44:12,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 11:44:12,141 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) [2024-10-22 11:44:12,144 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 [2024-10-22 11:44:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-22 11:44:12,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-22 11:44:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-22 11:44:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-22 11:44:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-22 11:44:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-22 11:44:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-22 11:44:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-22 11:44:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-22 11:44:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-22 11:44:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-22 11:44:12,181 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-22 11:44:12,267 INFO L238 CfgBuilder]: Building ICFG [2024-10-22 11:44:12,268 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-22 11:44:12,518 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-22 11:44:12,519 INFO L287 CfgBuilder]: Performing block encoding [2024-10-22 11:44:12,699 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-22 11:44:12,700 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-22 11:44:12,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:44:12 BoogieIcfgContainer [2024-10-22 11:44:12,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-22 11:44:12,702 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-22 11:44:12,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-22 11:44:12,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-22 11:44:12,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:44:11" (1/3) ... [2024-10-22 11:44:12,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430c00be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:44:12, skipping insertion in model container [2024-10-22 11:44:12,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:44:12" (2/3) ... [2024-10-22 11:44:12,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430c00be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:44:12, skipping insertion in model container [2024-10-22 11:44:12,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:44:12" (3/3) ... [2024-10-22 11:44:12,708 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2024-10-22 11:44:12,719 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-22 11:44:12,719 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-22 11:44:12,719 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-22 11:44:12,755 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-22 11:44:12,790 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-22 11:44:12,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-22 11:44:12,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 11:44:12,792 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) [2024-10-22 11:44:12,794 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 [2024-10-22 11:44:12,820 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-22 11:44:12,831 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-22 11:44:12,836 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;@dd989, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-22 11:44:12,837 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-22 11:44:13,072 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 11:44:13,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 11:44:13,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1066408522, now seen corresponding path program 1 times [2024-10-22 11:44:13,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 11:44:13,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632248892] [2024-10-22 11:44:13,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:13,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 11:44:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:13,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 11:44:13,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 11:44:13,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632248892] [2024-10-22 11:44:13,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632248892] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 11:44:13,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-22 11:44:13,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-22 11:44:13,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175117138] [2024-10-22 11:44:13,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 11:44:13,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-22 11:44:13,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 11:44:13,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-22 11:44:13,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-22 11:44:13,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:13,375 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 11:44:13,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-22 11:44:13,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:13,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:13,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-22 11:44:13,448 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 11:44:13,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 11:44:13,449 INFO L85 PathProgramCache]: Analyzing trace with hash -560171126, now seen corresponding path program 1 times [2024-10-22 11:44:13,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 11:44:13,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989390126] [2024-10-22 11:44:13,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:13,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 11:44:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 11:44:13,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 11:44:13,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989390126] [2024-10-22 11:44:13,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989390126] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 11:44:13,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060181579] [2024-10-22 11:44:13,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:13,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:13,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 11:44:13,591 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) [2024-10-22 11:44:13,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-22 11:44:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:13,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-22 11:44:13,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 11:44:13,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 11:44:13,694 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-22 11:44:13,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060181579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 11:44:13,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-22 11:44:13,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-10-22 11:44:13,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646645727] [2024-10-22 11:44:13,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 11:44:13,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-22 11:44:13,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 11:44:13,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-22 11:44:13,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-22 11:44:13,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:13,697 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 11:44:13,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2024-10-22 11:44:13,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:13,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:13,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:13,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:13,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-22 11:44:13,947 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 [2024-10-22 11:44:13,947 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 11:44:13,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 11:44:13,948 INFO L85 PathProgramCache]: Analyzing trace with hash 192733324, now seen corresponding path program 1 times [2024-10-22 11:44:13,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 11:44:13,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058997372] [2024-10-22 11:44:13,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:13,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 11:44:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-22 11:44:14,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 11:44:14,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058997372] [2024-10-22 11:44:14,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058997372] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 11:44:14,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824560853] [2024-10-22 11:44:14,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:14,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:14,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 11:44:14,047 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) [2024-10-22 11:44:14,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-22 11:44:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:14,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-22 11:44:14,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 11:44:14,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-22 11:44:14,144 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 11:44:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-22 11:44:14,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824560853] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 11:44:14,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 11:44:14,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 9 [2024-10-22 11:44:14,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980080378] [2024-10-22 11:44:14,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 11:44:14,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-22 11:44:14,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 11:44:14,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-22 11:44:14,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-22 11:44:14,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:14,172 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 11:44:14,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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) [2024-10-22 11:44:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:14,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:14,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:14,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:14,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-22 11:44:14,476 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 [2024-10-22 11:44:14,477 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 11:44:14,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 11:44:14,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1248591284, now seen corresponding path program 2 times [2024-10-22 11:44:14,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 11:44:14,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800236310] [2024-10-22 11:44:14,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:14,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 11:44:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-22 11:44:14,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 11:44:14,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800236310] [2024-10-22 11:44:14,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800236310] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 11:44:14,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62040875] [2024-10-22 11:44:14,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 11:44:14,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:14,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 11:44:14,600 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) [2024-10-22 11:44:14,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-22 11:44:14,678 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 11:44:14,679 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 11:44:14,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-22 11:44:14,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 11:44:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-22 11:44:14,745 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 11:44:14,808 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-22 11:44:14,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62040875] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 11:44:14,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 11:44:14,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-10-22 11:44:14,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738778413] [2024-10-22 11:44:14,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 11:44:14,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-22 11:44:14,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 11:44:14,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-22 11:44:14,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-22 11:44:14,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:14,810 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 11:44:14,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.125) internal successors, (50), 16 states have internal predecessors, (50), 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) [2024-10-22 11:44:14,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:14,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:14,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:14,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:14,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:14,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:14,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:14,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:14,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-22 11:44:15,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:15,179 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 11:44:15,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 11:44:15,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1887468944, now seen corresponding path program 3 times [2024-10-22 11:44:15,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 11:44:15,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793221947] [2024-10-22 11:44:15,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:15,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 11:44:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:15,321 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-22 11:44:15,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 11:44:15,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793221947] [2024-10-22 11:44:15,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793221947] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 11:44:15,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399916570] [2024-10-22 11:44:15,322 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 11:44:15,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:15,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 11:44:15,324 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) [2024-10-22 11:44:15,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-22 11:44:15,409 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-22 11:44:15,409 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 11:44:15,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-22 11:44:15,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 11:44:15,616 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-22 11:44:15,616 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-22 11:44:15,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399916570] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 11:44:15,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-22 11:44:15,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 15 [2024-10-22 11:44:15,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323946479] [2024-10-22 11:44:15,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 11:44:15,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-22 11:44:15,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 11:44:15,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-22 11:44:15,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-10-22 11:44:15,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:15,618 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 11:44:15,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 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) [2024-10-22 11:44:15,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:15,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:15,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:15,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:15,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:15,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:15,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:15,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:15,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:15,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:15,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-22 11:44:16,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:16,040 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 11:44:16,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 11:44:16,040 INFO L85 PathProgramCache]: Analyzing trace with hash -570051639, now seen corresponding path program 1 times [2024-10-22 11:44:16,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 11:44:16,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802587624] [2024-10-22 11:44:16,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:16,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 11:44:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:16,142 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-22 11:44:16,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 11:44:16,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802587624] [2024-10-22 11:44:16,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802587624] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 11:44:16,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324499119] [2024-10-22 11:44:16,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:16,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:16,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 11:44:16,145 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) [2024-10-22 11:44:16,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-22 11:44:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:16,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-22 11:44:16,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 11:44:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-22 11:44:16,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 11:44:16,341 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-22 11:44:16,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324499119] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 11:44:16,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 11:44:16,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2024-10-22 11:44:16,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521058125] [2024-10-22 11:44:16,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 11:44:16,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-22 11:44:16,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 11:44:16,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-22 11:44:16,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-10-22 11:44:16,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:16,343 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 11:44:16,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 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) [2024-10-22 11:44:16,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:16,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:16,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:16,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:16,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:16,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:16,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:16,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:16,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:16,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:16,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:16,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:16,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-22 11:44:16,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:16,629 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 11:44:16,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 11:44:16,630 INFO L85 PathProgramCache]: Analyzing trace with hash -2067632819, now seen corresponding path program 2 times [2024-10-22 11:44:16,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 11:44:16,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172824541] [2024-10-22 11:44:16,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:16,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 11:44:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:17,849 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 14 proven. 19 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-22 11:44:17,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 11:44:17,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172824541] [2024-10-22 11:44:17,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172824541] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 11:44:17,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707605164] [2024-10-22 11:44:17,851 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 11:44:17,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:17,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 11:44:17,852 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) [2024-10-22 11:44:17,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-22 11:44:17,947 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 11:44:17,947 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 11:44:17,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-22 11:44:17,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 11:44:18,168 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-22 11:44:18,169 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 11:44:18,290 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-10-22 11:44:18,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 56 [2024-10-22 11:44:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-22 11:44:18,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707605164] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 11:44:18,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 11:44:18,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 8] total 28 [2024-10-22 11:44:18,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700346048] [2024-10-22 11:44:18,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 11:44:18,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-22 11:44:18,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 11:44:18,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-22 11:44:18,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2024-10-22 11:44:18,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:18,355 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 11:44:18,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.107142857142857) internal successors, (59), 28 states have internal predecessors, (59), 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) [2024-10-22 11:44:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:18,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:19,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:19,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:19,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:19,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:19,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:19,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:19,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-22 11:44:19,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-22 11:44:19,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-22 11:44:19,288 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 11:44:19,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 11:44:19,288 INFO L85 PathProgramCache]: Analyzing trace with hash 705176223, now seen corresponding path program 3 times [2024-10-22 11:44:19,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 11:44:19,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162942355] [2024-10-22 11:44:19,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:19,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 11:44:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:19,403 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 37 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-22 11:44:19,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 11:44:19,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162942355] [2024-10-22 11:44:19,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162942355] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 11:44:19,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303772699] [2024-10-22 11:44:19,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 11:44:19,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:19,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 11:44:19,405 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) [2024-10-22 11:44:19,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-22 11:44:19,567 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-10-22 11:44:19,567 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 11:44:19,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-22 11:44:19,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 11:44:19,601 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-22 11:44:19,602 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-22 11:44:19,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303772699] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 11:44:19,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-22 11:44:19,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9 [2024-10-22 11:44:19,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021731784] [2024-10-22 11:44:19,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 11:44:19,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-22 11:44:19,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 11:44:19,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-22 11:44:19,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-22 11:44:19,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:19,604 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 11:44:19,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 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) [2024-10-22 11:44:19,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:19,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:19,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:19,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:19,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:19,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:19,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-22 11:44:19,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:19,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:19,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:19,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:19,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:19,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:19,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-22 11:44:19,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:19,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-22 11:44:19,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:19,898 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 11:44:19,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 11:44:19,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1132114069, now seen corresponding path program 1 times [2024-10-22 11:44:19,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 11:44:19,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374239130] [2024-10-22 11:44:19,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:19,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 11:44:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:20,005 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-10-22 11:44:20,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 11:44:20,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374239130] [2024-10-22 11:44:20,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374239130] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 11:44:20,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-22 11:44:20,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-22 11:44:20,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681788932] [2024-10-22 11:44:20,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 11:44:20,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-22 11:44:20,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 11:44:20,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-22 11:44:20,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-22 11:44:20,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:20,012 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 11:44:20,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-10-22 11:44:20,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:20,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:20,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:20,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:20,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:20,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:20,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-22 11:44:20,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:20,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:20,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:20,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:20,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:20,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:20,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:20,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:20,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-22 11:44:20,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:20,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:20,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-22 11:44:20,121 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 11:44:20,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 11:44:20,121 INFO L85 PathProgramCache]: Analyzing trace with hash 396138595, now seen corresponding path program 1 times [2024-10-22 11:44:20,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 11:44:20,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383052913] [2024-10-22 11:44:20,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:20,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 11:44:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:20,273 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 68 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-22 11:44:20,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 11:44:20,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383052913] [2024-10-22 11:44:20,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383052913] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 11:44:20,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334750801] [2024-10-22 11:44:20,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:20,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:20,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 11:44:20,275 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) [2024-10-22 11:44:20,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-22 11:44:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:20,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-22 11:44:20,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 11:44:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-22 11:44:20,406 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-22 11:44:20,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334750801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 11:44:20,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-22 11:44:20,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 11 [2024-10-22 11:44:20,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276235333] [2024-10-22 11:44:20,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 11:44:20,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-22 11:44:20,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 11:44:20,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-22 11:44:20,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2024-10-22 11:44:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:20,408 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 11:44:20,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 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) [2024-10-22 11:44:20,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:20,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:20,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:20,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:20,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:20,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:20,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-22 11:44:20,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:20,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:20,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:20,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:20,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:20,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:20,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:20,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:20,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:20,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-22 11:44:20,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:20,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:20,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:20,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-22 11:44:20,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-22 11:44:20,735 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 11:44:20,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 11:44:20,736 INFO L85 PathProgramCache]: Analyzing trace with hash 827467880, now seen corresponding path program 1 times [2024-10-22 11:44:20,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 11:44:20,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100896021] [2024-10-22 11:44:20,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:20,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 11:44:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:21,849 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-22 11:44:21,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 11:44:21,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100896021] [2024-10-22 11:44:21,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100896021] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 11:44:21,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681513667] [2024-10-22 11:44:21,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:21,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:21,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 11:44:21,851 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 11:44:21,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-22 11:44:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:21,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-22 11:44:21,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 11:44:22,258 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-10-22 11:44:22,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 127 treesize of output 64 [2024-10-22 11:44:22,330 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-22 11:44:22,330 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 11:44:22,584 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-10-22 11:44:22,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 144 treesize of output 112 [2024-10-22 11:44:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-10-22 11:44:22,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681513667] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 11:44:22,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 11:44:22,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 9] total 38 [2024-10-22 11:44:22,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956565995] [2024-10-22 11:44:22,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 11:44:22,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-10-22 11:44:22,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 11:44:22,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-10-22 11:44:22,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1282, Unknown=0, NotChecked=0, Total=1406 [2024-10-22 11:44:22,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:22,689 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 11:44:22,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.1315789473684212) internal successors, (81), 38 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 11:44:22,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:22,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:22,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:22,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:22,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:22,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:22,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-22 11:44:22,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:22,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:22,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:22,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-22 11:44:25,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:25,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:25,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:25,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-10-22 11:44:25,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-22 11:44:25,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-22 11:44:25,251 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 11:44:25,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 11:44:25,251 INFO L85 PathProgramCache]: Analyzing trace with hash -110867028, now seen corresponding path program 2 times [2024-10-22 11:44:25,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 11:44:25,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884776875] [2024-10-22 11:44:25,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:25,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 11:44:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-22 11:44:25,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 11:44:25,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884776875] [2024-10-22 11:44:25,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884776875] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 11:44:25,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840570799] [2024-10-22 11:44:25,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 11:44:25,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:25,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 11:44:25,374 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 11:44:25,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-22 11:44:25,488 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 11:44:25,489 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 11:44:25,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-22 11:44:25,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 11:44:25,547 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-22 11:44:25,547 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 11:44:25,606 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-22 11:44:25,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840570799] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 11:44:25,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 11:44:25,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 10 [2024-10-22 11:44:25,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882668999] [2024-10-22 11:44:25,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 11:44:25,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-22 11:44:25,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 11:44:25,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-22 11:44:25,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-22 11:44:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:25,608 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 11:44:25,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 11:44:25,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:25,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:25,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:25,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:25,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:25,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:25,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-22 11:44:25,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:25,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:25,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:25,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-10-22 11:44:25,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-22 11:44:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:25,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-10-22 11:44:25,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:25,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-22 11:44:26,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:26,155 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 11:44:26,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 11:44:26,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1261968294, now seen corresponding path program 2 times [2024-10-22 11:44:26,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 11:44:26,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765136211] [2024-10-22 11:44:26,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 11:44:26,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 11:44:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 11:44:26,985 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-22 11:44:26,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 11:44:26,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765136211] [2024-10-22 11:44:26,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765136211] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 11:44:26,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058368254] [2024-10-22 11:44:26,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 11:44:26,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 11:44:26,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 11:44:26,988 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 11:44:26,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-22 11:44:27,100 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 11:44:27,100 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 11:44:27,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-22 11:44:27,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 11:44:27,389 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-22 11:44:27,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 30 [2024-10-22 11:44:27,408 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-22 11:44:27,408 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 11:44:27,504 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-10-22 11:44:27,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 111 treesize of output 95 [2024-10-22 11:44:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-22 11:44:27,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058368254] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 11:44:27,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 11:44:27,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 8] total 33 [2024-10-22 11:44:27,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568054251] [2024-10-22 11:44:27,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 11:44:27,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-22 11:44:27,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 11:44:27,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-22 11:44:27,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=925, Unknown=0, NotChecked=0, Total=1056 [2024-10-22 11:44:27,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:27,584 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 11:44:27,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.242424242424242) internal successors, (74), 33 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) [2024-10-22 11:44:27,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:27,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:27,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:27,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:27,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:27,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:27,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-22 11:44:27,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:27,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:27,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:27,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-10-22 11:44:27,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:27,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 11:44:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 11:44:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-22 11:44:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 11:44:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-22 11:44:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 11:44:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-22 11:44:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-10-22 11:44:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-22 11:44:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-10-22 11:44:29,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-22 11:44:29,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-10-22 11:44:29,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-10-22 11:44:29,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-22 11:44:30,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-22 11:44:30,131 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1] [2024-10-22 11:44:30,132 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-22 11:44:30,132 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-22 11:44:30,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:44:30 BasicIcfg [2024-10-22 11:44:30,134 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-22 11:44:30,135 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-22 11:44:30,135 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-22 11:44:30,135 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-22 11:44:30,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:44:12" (3/4) ... [2024-10-22 11:44:30,137 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-22 11:44:30,139 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-22 11:44:30,139 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-22 11:44:30,143 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2024-10-22 11:44:30,143 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-10-22 11:44:30,144 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-22 11:44:30,144 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-22 11:44:30,213 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-22 11:44:30,214 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-22 11:44:30,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-22 11:44:30,215 INFO L158 Benchmark]: Toolchain (without parser) took 18427.35ms. Allocated memory was 178.3MB in the beginning and 398.5MB in the end (delta: 220.2MB). Free memory was 110.0MB in the beginning and 263.3MB in the end (delta: -153.3MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2024-10-22 11:44:30,215 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-22 11:44:30,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.41ms. Allocated memory is still 178.3MB. Free memory was 109.8MB in the beginning and 96.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-22 11:44:30,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.74ms. Allocated memory is still 178.3MB. Free memory was 96.2MB in the beginning and 149.5MB in the end (delta: -53.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-22 11:44:30,216 INFO L158 Benchmark]: Boogie Preprocessor took 23.39ms. Allocated memory is still 178.3MB. Free memory was 149.5MB in the beginning and 148.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-22 11:44:30,216 INFO L158 Benchmark]: RCFGBuilder took 588.22ms. Allocated memory is still 178.3MB. Free memory was 148.1MB in the beginning and 99.2MB in the end (delta: 48.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-10-22 11:44:30,216 INFO L158 Benchmark]: TraceAbstraction took 17432.63ms. Allocated memory was 178.3MB in the beginning and 398.5MB in the end (delta: 220.2MB). Free memory was 98.5MB in the beginning and 269.1MB in the end (delta: -170.6MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2024-10-22 11:44:30,216 INFO L158 Benchmark]: Witness Printer took 79.82ms. Allocated memory is still 398.5MB. Free memory was 269.1MB in the beginning and 263.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-22 11:44:30,217 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.41ms. Allocated memory is still 178.3MB. Free memory was 109.8MB in the beginning and 96.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.74ms. Allocated memory is still 178.3MB. Free memory was 96.2MB in the beginning and 149.5MB in the end (delta: -53.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.39ms. Allocated memory is still 178.3MB. Free memory was 149.5MB in the beginning and 148.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 588.22ms. Allocated memory is still 178.3MB. Free memory was 148.1MB in the beginning and 99.2MB in the end (delta: 48.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 17432.63ms. Allocated memory was 178.3MB in the beginning and 398.5MB in the end (delta: 220.2MB). Free memory was 98.5MB in the beginning and 269.1MB in the end (delta: -170.6MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Witness Printer took 79.82ms. Allocated memory is still 398.5MB. Free memory was 269.1MB in the beginning and 263.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2217, independent: 1648, independent conditional: 1392, independent unconditional: 256, dependent: 569, dependent conditional: 567, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1650, independent: 1648, independent conditional: 1392, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1650, independent: 1648, independent conditional: 1392, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1650, independent: 1648, independent conditional: 1392, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1650, independent: 1648, independent conditional: 0, independent unconditional: 1648, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1650, independent: 1648, independent conditional: 0, independent unconditional: 1648, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 216, independent: 213, independent conditional: 0, independent unconditional: 213, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1650, independent: 1434, independent conditional: 0, independent unconditional: 1434, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 216, unknown conditional: 0, unknown unconditional: 216] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 214, Positive conditional cache size: 0, Positive unconditional cache size: 214, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1392, Maximal queried relation: 0, Independence queries for same thread: 567, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 54, Number of trivial persistent sets: 43, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 258, independent: 256, independent conditional: 0, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2217, independent: 1648, independent conditional: 1392, independent unconditional: 256, dependent: 569, dependent conditional: 567, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1650, independent: 1648, independent conditional: 1392, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1650, independent: 1648, independent conditional: 1392, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1650, independent: 1648, independent conditional: 1392, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1650, independent: 1648, independent conditional: 0, independent unconditional: 1648, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1650, independent: 1648, independent conditional: 0, independent unconditional: 1648, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 216, independent: 213, independent conditional: 0, independent unconditional: 213, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1650, independent: 1434, independent conditional: 0, independent unconditional: 1434, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 216, unknown conditional: 0, unknown unconditional: 216] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 214, Positive conditional cache size: 0, Positive unconditional cache size: 214, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1392, Maximal queried relation: 0, Independence queries for same thread: 567 - PositiveResult [Line: 93]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 35 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 17.3s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 7.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 248, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 893 NumberOfCodeBlocks, 889 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1122 ConstructedInterpolants, 0 QuantifiedInterpolants, 5569 SizeOfPredicates, 60 NumberOfNonLiveVariables, 3022 ConjunctsInSsa, 157 ConjunctsInUnsatCore, 31 InterpolantComputations, 6 PerfectInterpolantSequences, 1123/1521 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-22 11:44:30,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-22 11:44:30,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE