./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0a95c837253461e666811310d33281cfc4592599bb0e38960c7585c8a470237 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:47:40,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:47:40,967 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:47:40,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:47:40,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:47:40,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:47:40,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:47:40,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:47:40,996 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:47:40,996 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:47:40,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:47:40,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:47:40,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:47:40,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:47:40,997 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:47:40,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:47:40,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:47:40,997 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:47:40,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:47:40,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:47:40,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:47:40,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:47:40,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:47:40,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:47:40,998 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:47:40,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:47:40,998 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:47:40,998 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:47:40,998 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:47:40,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:47:40,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:47:40,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:47:40,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:47:40,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:47:40,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:47:40,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:47:40,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:47:40,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:47:40,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:47:40,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:47:40,999 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:47:41,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:47:41,000 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:47:41,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:47:41,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:47:41,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:47:41,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:47:41,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:47:41,000 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1 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 -> Automizer 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 -> f0a95c837253461e666811310d33281cfc4592599bb0e38960c7585c8a470237 [2024-12-02 15:47:41,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:47:41,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:47:41,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:47:41,252 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:47:41,252 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:47:41,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i [2024-12-02 15:47:43,839 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/data/3a5a63e9c/2fe5c799b3364373ad9a7117c2184515/FLAG7f8629f43 [2024-12-02 15:47:44,070 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:47:44,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i [2024-12-02 15:47:44,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/data/3a5a63e9c/2fe5c799b3364373ad9a7117c2184515/FLAG7f8629f43 [2024-12-02 15:47:44,419 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/data/3a5a63e9c/2fe5c799b3364373ad9a7117c2184515 [2024-12-02 15:47:44,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:47:44,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:47:44,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:47:44,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:47:44,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:47:44,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:44" (1/1) ... [2024-12-02 15:47:44,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c6ea5f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44, skipping insertion in model container [2024-12-02 15:47:44,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:44" (1/1) ... [2024-12-02 15:47:44,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:47:44,569 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i[916,929] [2024-12-02 15:47:44,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:47:44,633 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:47:44,644 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i[916,929] [2024-12-02 15:47:44,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:47:44,692 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:47:44,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44 WrapperNode [2024-12-02 15:47:44,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:47:44,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:47:44,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:47:44,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:47:44,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44" (1/1) ... [2024-12-02 15:47:44,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44" (1/1) ... [2024-12-02 15:47:44,746 INFO L138 Inliner]: procedures = 29, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 429 [2024-12-02 15:47:44,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:47:44,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:47:44,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:47:44,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:47:44,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44" (1/1) ... [2024-12-02 15:47:44,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44" (1/1) ... [2024-12-02 15:47:44,762 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44" (1/1) ... [2024-12-02 15:47:44,781 INFO L175 MemorySlicer]: Split 122 memory accesses to 6 slices as follows [2, 6, 11, 19, 72, 12]. 59 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 2, 3, 7, 2]. The 17 writes are split as follows [0, 1, 2, 4, 8, 2]. [2024-12-02 15:47:44,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44" (1/1) ... [2024-12-02 15:47:44,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44" (1/1) ... [2024-12-02 15:47:44,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44" (1/1) ... [2024-12-02 15:47:44,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44" (1/1) ... [2024-12-02 15:47:44,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44" (1/1) ... [2024-12-02 15:47:44,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44" (1/1) ... [2024-12-02 15:47:44,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44" (1/1) ... [2024-12-02 15:47:44,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:47:44,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:47:44,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:47:44,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:47:44,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44" (1/1) ... [2024-12-02 15:47:44,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:47:44,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:44,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:47:44,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:47:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:47:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 15:47:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 15:47:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 15:47:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 15:47:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 15:47:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 15:47:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:47:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:47:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:47:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:47:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 15:47:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 15:47:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 15:47:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 15:47:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 15:47:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:47:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:47:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:47:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:47:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:47:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:47:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:47:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 15:47:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:47:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:47:44,995 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:47:44,997 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:47:45,388 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-12-02 15:47:45,388 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:47:45,399 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:47:45,399 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:47:45,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:45 BoogieIcfgContainer [2024-12-02 15:47:45,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:47:45,402 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:47:45,402 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:47:45,407 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:47:45,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:47:44" (1/3) ... [2024-12-02 15:47:45,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d436f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:45, skipping insertion in model container [2024-12-02 15:47:45,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:44" (2/3) ... [2024-12-02 15:47:45,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d436f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:45, skipping insertion in model container [2024-12-02 15:47:45,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:45" (3/3) ... [2024-12-02 15:47:45,409 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-84.i [2024-12-02 15:47:45,423 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:47:45,425 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-84.i that has 2 procedures, 103 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:47:45,486 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:47:45,497 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=PETRI_NET, 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;@55e256cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:47:45,497 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:47:45,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 80 states have (on average 1.35) internal successors, (108), 81 states have internal predecessors, (108), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:47:45,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 15:47:45,511 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:45,512 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:45,512 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:45,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:45,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1023549121, now seen corresponding path program 1 times [2024-12-02 15:47:45,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:45,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943136599] [2024-12-02 15:47:45,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:45,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:45,795 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 15:47:45,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:45,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943136599] [2024-12-02 15:47:45,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943136599] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:47:45,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904146818] [2024-12-02 15:47:45,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:45,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:45,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:45,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:47:45,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:47:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:46,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:47:46,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:46,041 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 15:47:46,041 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:46,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904146818] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:46,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:47:46,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:47:46,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030253449] [2024-12-02 15:47:46,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:46,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:47:46,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:46,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:47:46,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:47:46,065 INFO L87 Difference]: Start difference. First operand has 103 states, 80 states have (on average 1.35) internal successors, (108), 81 states have internal predecessors, (108), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:47:46,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:46,086 INFO L93 Difference]: Finished difference Result 199 states and 310 transitions. [2024-12-02 15:47:46,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:47:46,087 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2024-12-02 15:47:46,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:46,092 INFO L225 Difference]: With dead ends: 199 [2024-12-02 15:47:46,092 INFO L226 Difference]: Without dead ends: 99 [2024-12-02 15:47:46,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:47:46,097 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:46,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:46,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-12-02 15:47:46,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-12-02 15:47:46,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 77 states have internal predecessors, (101), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:47:46,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2024-12-02 15:47:46,129 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 150 [2024-12-02 15:47:46,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:46,129 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2024-12-02 15:47:46,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:47:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2024-12-02 15:47:46,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 15:47:46,132 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:46,132 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:46,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:47:46,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:47:46,332 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:46,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:46,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1345191521, now seen corresponding path program 1 times [2024-12-02 15:47:46,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:46,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345445148] [2024-12-02 15:47:46,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:46,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:47:46,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:46,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345445148] [2024-12-02 15:47:46,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345445148] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:46,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:46,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:47:46,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087029006] [2024-12-02 15:47:46,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:46,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:47:46,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:46,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:47:46,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:47:46,586 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:47:46,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:46,628 INFO L93 Difference]: Finished difference Result 197 states and 282 transitions. [2024-12-02 15:47:46,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:47:46,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2024-12-02 15:47:46,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:46,630 INFO L225 Difference]: With dead ends: 197 [2024-12-02 15:47:46,630 INFO L226 Difference]: Without dead ends: 101 [2024-12-02 15:47:46,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:47:46,631 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:46,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 406 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:46,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-12-02 15:47:46,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-12-02 15:47:46,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 79 states have internal predecessors, (103), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:47:46,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2024-12-02 15:47:46,643 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 150 [2024-12-02 15:47:46,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:46,644 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2024-12-02 15:47:46,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:47:46,644 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2024-12-02 15:47:46,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 15:47:46,647 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:46,647 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:46,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:47:46,647 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:46,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:46,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1708658019, now seen corresponding path program 1 times [2024-12-02 15:47:46,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:46,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063821021] [2024-12-02 15:47:46,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:46,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:46,829 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:47:46,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:46,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063821021] [2024-12-02 15:47:46,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063821021] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:46,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:46,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:47:46,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141595347] [2024-12-02 15:47:46,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:46,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:47:46,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:46,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:47:46,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:47:46,832 INFO L87 Difference]: Start difference. First operand 101 states and 143 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 15:47:46,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:46,865 INFO L93 Difference]: Finished difference Result 202 states and 287 transitions. [2024-12-02 15:47:46,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:47:46,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-12-02 15:47:46,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:46,867 INFO L225 Difference]: With dead ends: 202 [2024-12-02 15:47:46,867 INFO L226 Difference]: Without dead ends: 104 [2024-12-02 15:47:46,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:47:46,869 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:46,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 405 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:46,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-12-02 15:47:46,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 103. [2024-12-02 15:47:46,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.2962962962962963) internal successors, (105), 81 states have internal predecessors, (105), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:47:46,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 145 transitions. [2024-12-02 15:47:46,879 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 145 transitions. Word has length 150 [2024-12-02 15:47:46,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:46,879 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 145 transitions. [2024-12-02 15:47:46,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 15:47:46,880 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 145 transitions. [2024-12-02 15:47:46,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 15:47:46,882 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:46,882 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:46,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:47:46,882 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:46,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:46,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1706810977, now seen corresponding path program 1 times [2024-12-02 15:47:46,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:46,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528917823] [2024-12-02 15:47:46,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:46,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:47,149 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:47:47,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:47,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528917823] [2024-12-02 15:47:47,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528917823] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:47,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:47,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:47:47,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903063086] [2024-12-02 15:47:47,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:47,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:47:47,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:47,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:47:47,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:47:47,152 INFO L87 Difference]: Start difference. First operand 103 states and 145 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:47:47,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:47,420 INFO L93 Difference]: Finished difference Result 330 states and 465 transitions. [2024-12-02 15:47:47,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:47:47,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2024-12-02 15:47:47,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:47,423 INFO L225 Difference]: With dead ends: 330 [2024-12-02 15:47:47,423 INFO L226 Difference]: Without dead ends: 230 [2024-12-02 15:47:47,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:47:47,424 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 293 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:47,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 535 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:47:47,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-12-02 15:47:47,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 203. [2024-12-02 15:47:47,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 160 states have (on average 1.2875) internal successors, (206), 160 states have internal predecessors, (206), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 15:47:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 286 transitions. [2024-12-02 15:47:47,452 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 286 transitions. Word has length 150 [2024-12-02 15:47:47,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:47,452 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 286 transitions. [2024-12-02 15:47:47,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:47:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 286 transitions. [2024-12-02 15:47:47,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 15:47:47,454 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:47,454 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:47,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:47:47,455 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:47,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:47,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1924195517, now seen corresponding path program 1 times [2024-12-02 15:47:47,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:47,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622458735] [2024-12-02 15:47:47,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:47,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:50,313 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:47:50,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:50,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622458735] [2024-12-02 15:47:50,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622458735] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:50,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:50,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 15:47:50,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421108899] [2024-12-02 15:47:50,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:50,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 15:47:50,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:50,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 15:47:50,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:47:50,316 INFO L87 Difference]: Start difference. First operand 203 states and 286 transitions. Second operand has 16 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:47:52,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:52,018 INFO L93 Difference]: Finished difference Result 783 states and 1089 transitions. [2024-12-02 15:47:52,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 15:47:52,019 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 158 [2024-12-02 15:47:52,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:52,024 INFO L225 Difference]: With dead ends: 783 [2024-12-02 15:47:52,024 INFO L226 Difference]: Without dead ends: 583 [2024-12-02 15:47:52,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2024-12-02 15:47:52,026 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 249 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 1253 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 2187 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:52,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 2187 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1253 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 15:47:52,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-12-02 15:47:52,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 353. [2024-12-02 15:47:52,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 294 states have (on average 1.3129251700680271) internal successors, (386), 296 states have internal predecessors, (386), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 15:47:52,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 494 transitions. [2024-12-02 15:47:52,078 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 494 transitions. Word has length 158 [2024-12-02 15:47:52,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:52,079 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 494 transitions. [2024-12-02 15:47:52,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:47:52,079 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 494 transitions. [2024-12-02 15:47:52,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 15:47:52,081 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:52,081 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:52,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:47:52,082 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:52,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:52,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1948069953, now seen corresponding path program 1 times [2024-12-02 15:47:52,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:52,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066403643] [2024-12-02 15:47:52,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:52,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:53,789 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:47:53,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:53,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066403643] [2024-12-02 15:47:53,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066403643] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:53,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:53,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 15:47:53,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473304708] [2024-12-02 15:47:53,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:53,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:47:53,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:53,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:47:53,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:47:53,791 INFO L87 Difference]: Start difference. First operand 353 states and 494 transitions. Second operand has 14 states, 12 states have (on average 5.083333333333333) internal successors, (61), 14 states have internal predecessors, (61), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:47:54,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:54,542 INFO L93 Difference]: Finished difference Result 713 states and 996 transitions. [2024-12-02 15:47:54,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 15:47:54,543 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 5.083333333333333) internal successors, (61), 14 states have internal predecessors, (61), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 158 [2024-12-02 15:47:54,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:54,546 INFO L225 Difference]: With dead ends: 713 [2024-12-02 15:47:54,546 INFO L226 Difference]: Without dead ends: 363 [2024-12-02 15:47:54,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:47:54,547 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 93 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:54,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 1501 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:47:54,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-12-02 15:47:54,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 339. [2024-12-02 15:47:54,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 280 states have (on average 1.3035714285714286) internal successors, (365), 282 states have internal predecessors, (365), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 15:47:54,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 473 transitions. [2024-12-02 15:47:54,572 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 473 transitions. Word has length 158 [2024-12-02 15:47:54,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:54,572 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 473 transitions. [2024-12-02 15:47:54,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 5.083333333333333) internal successors, (61), 14 states have internal predecessors, (61), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:47:54,573 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 473 transitions. [2024-12-02 15:47:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:47:54,574 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:54,574 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:54,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:47:54,575 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:54,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:54,575 INFO L85 PathProgramCache]: Analyzing trace with hash -2098989630, now seen corresponding path program 1 times [2024-12-02 15:47:54,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:54,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911095152] [2024-12-02 15:47:54,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:54,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:55,380 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:47:55,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:55,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911095152] [2024-12-02 15:47:55,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911095152] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:55,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:55,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:47:55,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10304616] [2024-12-02 15:47:55,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:55,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:47:55,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:55,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:47:55,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:47:55,382 INFO L87 Difference]: Start difference. First operand 339 states and 473 transitions. Second operand has 11 states, 9 states have (on average 7.0) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:47:55,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:55,983 INFO L93 Difference]: Finished difference Result 821 states and 1145 transitions. [2024-12-02 15:47:55,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:47:55,984 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.0) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2024-12-02 15:47:55,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:55,988 INFO L225 Difference]: With dead ends: 821 [2024-12-02 15:47:55,988 INFO L226 Difference]: Without dead ends: 485 [2024-12-02 15:47:55,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:47:55,990 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 84 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:55,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 918 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:47:55,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-12-02 15:47:56,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 379. [2024-12-02 15:47:56,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 320 states have (on average 1.31875) internal successors, (422), 322 states have internal predecessors, (422), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 15:47:56,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 530 transitions. [2024-12-02 15:47:56,024 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 530 transitions. Word has length 160 [2024-12-02 15:47:56,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:56,024 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 530 transitions. [2024-12-02 15:47:56,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.0) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:47:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 530 transitions. [2024-12-02 15:47:56,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:47:56,026 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:56,026 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:56,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:47:56,027 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:56,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:56,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1174909312, now seen corresponding path program 1 times [2024-12-02 15:47:56,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:56,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380157611] [2024-12-02 15:47:56,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:56,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:57,309 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:47:57,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:57,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380157611] [2024-12-02 15:47:57,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380157611] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:57,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:57,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:47:57,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038414501] [2024-12-02 15:47:57,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:57,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:47:57,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:57,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:47:57,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:47:57,312 INFO L87 Difference]: Start difference. First operand 379 states and 530 transitions. Second operand has 11 states, 9 states have (on average 7.0) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:47:58,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:58,033 INFO L93 Difference]: Finished difference Result 1031 states and 1436 transitions. [2024-12-02 15:47:58,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:47:58,034 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.0) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2024-12-02 15:47:58,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:58,038 INFO L225 Difference]: With dead ends: 1031 [2024-12-02 15:47:58,038 INFO L226 Difference]: Without dead ends: 655 [2024-12-02 15:47:58,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:47:58,039 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 81 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:58,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 1149 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:47:58,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-12-02 15:47:58,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 431. [2024-12-02 15:47:58,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 372 states have (on average 1.3333333333333333) internal successors, (496), 374 states have internal predecessors, (496), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 15:47:58,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 604 transitions. [2024-12-02 15:47:58,078 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 604 transitions. Word has length 160 [2024-12-02 15:47:58,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:58,079 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 604 transitions. [2024-12-02 15:47:58,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.0) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:47:58,079 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 604 transitions. [2024-12-02 15:47:58,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:47:58,081 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:58,081 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:58,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:47:58,081 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:58,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:58,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1196829950, now seen corresponding path program 1 times [2024-12-02 15:47:58,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:58,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989390133] [2024-12-02 15:47:58,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:58,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:58,730 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:47:58,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:58,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989390133] [2024-12-02 15:47:58,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989390133] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:58,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:58,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:47:58,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778205860] [2024-12-02 15:47:58,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:58,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:47:58,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:58,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:47:58,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:47:58,732 INFO L87 Difference]: Start difference. First operand 431 states and 604 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:47:58,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:58,960 INFO L93 Difference]: Finished difference Result 833 states and 1168 transitions. [2024-12-02 15:47:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:47:58,961 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2024-12-02 15:47:58,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:58,963 INFO L225 Difference]: With dead ends: 833 [2024-12-02 15:47:58,963 INFO L226 Difference]: Without dead ends: 405 [2024-12-02 15:47:58,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:47:58,964 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 1 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:58,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 632 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:47:58,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-12-02 15:47:58,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-12-02 15:47:58,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 346 states have (on average 1.3208092485549132) internal successors, (457), 348 states have internal predecessors, (457), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 15:47:58,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 565 transitions. [2024-12-02 15:47:58,989 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 565 transitions. Word has length 160 [2024-12-02 15:47:58,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:58,989 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 565 transitions. [2024-12-02 15:47:58,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:47:58,989 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 565 transitions. [2024-12-02 15:47:58,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:47:58,991 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:58,992 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:58,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:47:58,992 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:58,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:58,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1177324662, now seen corresponding path program 1 times [2024-12-02 15:47:58,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:58,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074292945] [2024-12-02 15:47:58,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:58,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 15:47:59,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:59,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074292945] [2024-12-02 15:47:59,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074292945] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:47:59,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692894450] [2024-12-02 15:47:59,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:59,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:59,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:59,130 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:47:59,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:47:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:59,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:47:59,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:59,371 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:47:59,372 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:59,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692894450] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:59,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:47:59,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 15:47:59,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132649478] [2024-12-02 15:47:59,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:59,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:47:59,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:59,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:47:59,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:47:59,373 INFO L87 Difference]: Start difference. First operand 405 states and 565 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 15:47:59,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:59,412 INFO L93 Difference]: Finished difference Result 819 states and 1143 transitions. [2024-12-02 15:47:59,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:47:59,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 15:47:59,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:59,415 INFO L225 Difference]: With dead ends: 819 [2024-12-02 15:47:59,415 INFO L226 Difference]: Without dead ends: 417 [2024-12-02 15:47:59,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:47:59,416 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:59,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 535 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:59,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-12-02 15:47:59,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2024-12-02 15:47:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 358 states have (on average 1.3100558659217878) internal successors, (469), 360 states have internal predecessors, (469), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 15:47:59,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 577 transitions. [2024-12-02 15:47:59,436 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 577 transitions. Word has length 160 [2024-12-02 15:47:59,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:59,436 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 577 transitions. [2024-12-02 15:47:59,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 15:47:59,437 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 577 transitions. [2024-12-02 15:47:59,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:47:59,438 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:59,438 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:59,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:47:59,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 15:47:59,639 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:59,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:59,639 INFO L85 PathProgramCache]: Analyzing trace with hash 919159224, now seen corresponding path program 1 times [2024-12-02 15:47:59,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:59,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743315751] [2024-12-02 15:47:59,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:59,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:48:00,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:00,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743315751] [2024-12-02 15:48:00,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743315751] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:00,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:00,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:48:00,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086840657] [2024-12-02 15:48:00,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:00,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:48:00,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:00,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:48:00,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:48:00,577 INFO L87 Difference]: Start difference. First operand 417 states and 577 transitions. Second operand has 9 states, 7 states have (on average 9.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:48:01,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:01,101 INFO L93 Difference]: Finished difference Result 1173 states and 1624 transitions. [2024-12-02 15:48:01,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:48:01,102 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2024-12-02 15:48:01,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:01,105 INFO L225 Difference]: With dead ends: 1173 [2024-12-02 15:48:01,105 INFO L226 Difference]: Without dead ends: 759 [2024-12-02 15:48:01,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:48:01,106 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 85 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:01,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 963 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:48:01,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2024-12-02 15:48:01,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 743. [2024-12-02 15:48:01,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 642 states have (on average 1.3193146417445483) internal successors, (847), 648 states have internal predecessors, (847), 92 states have call successors, (92), 8 states have call predecessors, (92), 8 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 15:48:01,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1031 transitions. [2024-12-02 15:48:01,152 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1031 transitions. Word has length 160 [2024-12-02 15:48:01,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:01,152 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1031 transitions. [2024-12-02 15:48:01,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:48:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1031 transitions. [2024-12-02 15:48:01,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:48:01,161 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:01,162 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:01,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:48:01,162 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:01,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:01,163 INFO L85 PathProgramCache]: Analyzing trace with hash -521589342, now seen corresponding path program 1 times [2024-12-02 15:48:01,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:01,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518245330] [2024-12-02 15:48:01,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:01,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:48:02,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:02,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518245330] [2024-12-02 15:48:02,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518245330] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:02,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:02,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:48:02,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845945098] [2024-12-02 15:48:02,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:02,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:48:02,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:02,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:48:02,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:48:02,407 INFO L87 Difference]: Start difference. First operand 743 states and 1031 transitions. Second operand has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:48:03,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:03,044 INFO L93 Difference]: Finished difference Result 1773 states and 2452 transitions. [2024-12-02 15:48:03,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:48:03,044 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2024-12-02 15:48:03,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:03,049 INFO L225 Difference]: With dead ends: 1773 [2024-12-02 15:48:03,049 INFO L226 Difference]: Without dead ends: 1033 [2024-12-02 15:48:03,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:48:03,051 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 81 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:03,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 1065 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:48:03,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-12-02 15:48:03,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 793. [2024-12-02 15:48:03,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 692 states have (on average 1.3251445086705202) internal successors, (917), 698 states have internal predecessors, (917), 92 states have call successors, (92), 8 states have call predecessors, (92), 8 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 15:48:03,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1101 transitions. [2024-12-02 15:48:03,127 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1101 transitions. Word has length 160 [2024-12-02 15:48:03,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:03,127 INFO L471 AbstractCegarLoop]: Abstraction has 793 states and 1101 transitions. [2024-12-02 15:48:03,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:48:03,128 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1101 transitions. [2024-12-02 15:48:03,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:48:03,129 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:03,129 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:03,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:48:03,129 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:03,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:03,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1779233248, now seen corresponding path program 1 times [2024-12-02 15:48:03,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:03,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103376376] [2024-12-02 15:48:03,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:03,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:48:03,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:03,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103376376] [2024-12-02 15:48:03,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103376376] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:03,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:03,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:48:03,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105899671] [2024-12-02 15:48:03,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:03,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:48:03,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:03,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:48:03,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:48:03,488 INFO L87 Difference]: Start difference. First operand 793 states and 1101 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 15:48:03,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:03,846 INFO L93 Difference]: Finished difference Result 2091 states and 2886 transitions. [2024-12-02 15:48:03,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:48:03,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 15:48:03,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:03,850 INFO L225 Difference]: With dead ends: 2091 [2024-12-02 15:48:03,850 INFO L226 Difference]: Without dead ends: 1301 [2024-12-02 15:48:03,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:48:03,851 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 82 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:03,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 463 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:48:03,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2024-12-02 15:48:03,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 855. [2024-12-02 15:48:03,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 754 states have (on average 1.3196286472148542) internal successors, (995), 760 states have internal predecessors, (995), 92 states have call successors, (92), 8 states have call predecessors, (92), 8 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 15:48:03,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1179 transitions. [2024-12-02 15:48:03,937 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1179 transitions. Word has length 160 [2024-12-02 15:48:03,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:03,937 INFO L471 AbstractCegarLoop]: Abstraction has 855 states and 1179 transitions. [2024-12-02 15:48:03,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 15:48:03,938 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1179 transitions. [2024-12-02 15:48:03,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:48:03,939 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:03,939 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:03,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:48:03,940 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:03,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:03,940 INFO L85 PathProgramCache]: Analyzing trace with hash 499369570, now seen corresponding path program 1 times [2024-12-02 15:48:03,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:03,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252578790] [2024-12-02 15:48:03,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:03,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:48:04,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:04,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252578790] [2024-12-02 15:48:04,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252578790] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:04,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:04,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:48:04,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543656528] [2024-12-02 15:48:04,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:04,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:48:04,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:04,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:48:04,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:48:04,604 INFO L87 Difference]: Start difference. First operand 855 states and 1179 transitions. Second operand has 8 states, 6 states have (on average 10.5) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:48:05,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:05,096 INFO L93 Difference]: Finished difference Result 2023 states and 2768 transitions. [2024-12-02 15:48:05,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:48:05,096 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 10.5) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2024-12-02 15:48:05,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:05,099 INFO L225 Difference]: With dead ends: 2023 [2024-12-02 15:48:05,099 INFO L226 Difference]: Without dead ends: 1159 [2024-12-02 15:48:05,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:48:05,101 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 90 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:05,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 725 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:48:05,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2024-12-02 15:48:05,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1015. [2024-12-02 15:48:05,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 886 states have (on average 1.299097065462754) internal successors, (1151), 894 states have internal predecessors, (1151), 116 states have call successors, (116), 12 states have call predecessors, (116), 12 states have return successors, (116), 108 states have call predecessors, (116), 116 states have call successors, (116) [2024-12-02 15:48:05,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1383 transitions. [2024-12-02 15:48:05,168 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1383 transitions. Word has length 160 [2024-12-02 15:48:05,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:05,168 INFO L471 AbstractCegarLoop]: Abstraction has 1015 states and 1383 transitions. [2024-12-02 15:48:05,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 10.5) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:48:05,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1383 transitions. [2024-12-02 15:48:05,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:48:05,169 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:05,169 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:05,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:48:05,169 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:05,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:05,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1059707834, now seen corresponding path program 1 times [2024-12-02 15:48:05,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:05,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160078749] [2024-12-02 15:48:05,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:05,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:05,397 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:48:05,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:05,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160078749] [2024-12-02 15:48:05,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160078749] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:05,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:05,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:48:05,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75300075] [2024-12-02 15:48:05,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:05,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:48:05,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:05,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:48:05,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:48:05,399 INFO L87 Difference]: Start difference. First operand 1015 states and 1383 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:48:05,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:05,525 INFO L93 Difference]: Finished difference Result 2157 states and 2934 transitions. [2024-12-02 15:48:05,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:48:05,525 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2024-12-02 15:48:05,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:05,529 INFO L225 Difference]: With dead ends: 2157 [2024-12-02 15:48:05,529 INFO L226 Difference]: Without dead ends: 1145 [2024-12-02 15:48:05,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:48:05,531 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 39 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:05,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 805 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:48:05,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2024-12-02 15:48:05,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1005. [2024-12-02 15:48:05,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 876 states have (on average 1.2910958904109588) internal successors, (1131), 884 states have internal predecessors, (1131), 116 states have call successors, (116), 12 states have call predecessors, (116), 12 states have return successors, (116), 108 states have call predecessors, (116), 116 states have call successors, (116) [2024-12-02 15:48:05,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1363 transitions. [2024-12-02 15:48:05,597 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1363 transitions. Word has length 160 [2024-12-02 15:48:05,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:05,598 INFO L471 AbstractCegarLoop]: Abstraction has 1005 states and 1363 transitions. [2024-12-02 15:48:05,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:48:05,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1363 transitions. [2024-12-02 15:48:05,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:48:05,600 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:05,600 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:05,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:48:05,600 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:05,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:05,601 INFO L85 PathProgramCache]: Analyzing trace with hash -2076357376, now seen corresponding path program 1 times [2024-12-02 15:48:05,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:05,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843144402] [2024-12-02 15:48:05,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:05,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:05,947 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:48:05,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:05,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843144402] [2024-12-02 15:48:05,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843144402] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:05,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:05,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:48:05,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140972330] [2024-12-02 15:48:05,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:05,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:48:05,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:05,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:48:05,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:48:05,949 INFO L87 Difference]: Start difference. First operand 1005 states and 1363 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:48:06,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:06,290 INFO L93 Difference]: Finished difference Result 2114 states and 2867 transitions. [2024-12-02 15:48:06,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:48:06,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2024-12-02 15:48:06,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:06,294 INFO L225 Difference]: With dead ends: 2114 [2024-12-02 15:48:06,294 INFO L226 Difference]: Without dead ends: 1112 [2024-12-02 15:48:06,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:48:06,296 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 104 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:06,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 537 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:48:06,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2024-12-02 15:48:06,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 790. [2024-12-02 15:48:06,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 689 states have (on average 1.2960812772133528) internal successors, (893), 694 states have internal predecessors, (893), 90 states have call successors, (90), 10 states have call predecessors, (90), 10 states have return successors, (90), 85 states have call predecessors, (90), 90 states have call successors, (90) [2024-12-02 15:48:06,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1073 transitions. [2024-12-02 15:48:06,352 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1073 transitions. Word has length 160 [2024-12-02 15:48:06,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:06,352 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1073 transitions. [2024-12-02 15:48:06,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:48:06,353 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1073 transitions. [2024-12-02 15:48:06,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:48:06,354 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:06,354 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:06,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 15:48:06,354 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:06,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:06,355 INFO L85 PathProgramCache]: Analyzing trace with hash -153129342, now seen corresponding path program 1 times [2024-12-02 15:48:06,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:06,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853322899] [2024-12-02 15:48:06,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:06,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:48:07,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:07,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853322899] [2024-12-02 15:48:07,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853322899] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:07,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:07,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:48:07,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109561398] [2024-12-02 15:48:07,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:07,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:48:07,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:07,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:48:07,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:48:07,297 INFO L87 Difference]: Start difference. First operand 790 states and 1073 transitions. Second operand has 12 states, 9 states have (on average 7.0) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 15:48:07,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:07,865 INFO L93 Difference]: Finished difference Result 1787 states and 2423 transitions. [2024-12-02 15:48:07,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:48:07,866 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 7.0) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-12-02 15:48:07,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:07,869 INFO L225 Difference]: With dead ends: 1787 [2024-12-02 15:48:07,869 INFO L226 Difference]: Without dead ends: 1000 [2024-12-02 15:48:07,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:48:07,871 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 84 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:07,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 1037 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:48:07,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2024-12-02 15:48:07,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 669. [2024-12-02 15:48:07,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 589 states have (on average 1.303904923599321) internal successors, (768), 592 states have internal predecessors, (768), 71 states have call successors, (71), 8 states have call predecessors, (71), 8 states have return successors, (71), 68 states have call predecessors, (71), 71 states have call successors, (71) [2024-12-02 15:48:07,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 910 transitions. [2024-12-02 15:48:07,915 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 910 transitions. Word has length 160 [2024-12-02 15:48:07,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:07,915 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 910 transitions. [2024-12-02 15:48:07,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 7.0) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 15:48:07,915 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 910 transitions. [2024-12-02 15:48:07,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:48:07,916 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:07,916 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:07,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:48:07,916 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:07,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:07,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1174197696, now seen corresponding path program 1 times [2024-12-02 15:48:07,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:07,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741427462] [2024-12-02 15:48:07,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:07,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:48:08,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:08,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741427462] [2024-12-02 15:48:08,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741427462] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:08,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:08,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:48:08,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157970868] [2024-12-02 15:48:08,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:08,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:48:08,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:08,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:48:08,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:48:08,655 INFO L87 Difference]: Start difference. First operand 669 states and 910 transitions. Second operand has 10 states, 8 states have (on average 7.875) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:48:09,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:09,283 INFO L93 Difference]: Finished difference Result 1461 states and 1984 transitions. [2024-12-02 15:48:09,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:48:09,283 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 7.875) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2024-12-02 15:48:09,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:09,285 INFO L225 Difference]: With dead ends: 1461 [2024-12-02 15:48:09,285 INFO L226 Difference]: Without dead ends: 795 [2024-12-02 15:48:09,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:48:09,287 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 80 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:09,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 1058 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:48:09,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-12-02 15:48:09,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 669. [2024-12-02 15:48:09,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 589 states have (on average 1.2971137521222411) internal successors, (764), 592 states have internal predecessors, (764), 71 states have call successors, (71), 8 states have call predecessors, (71), 8 states have return successors, (71), 68 states have call predecessors, (71), 71 states have call successors, (71) [2024-12-02 15:48:09,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 906 transitions. [2024-12-02 15:48:09,350 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 906 transitions. Word has length 160 [2024-12-02 15:48:09,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:09,351 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 906 transitions. [2024-12-02 15:48:09,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 7.875) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:48:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 906 transitions. [2024-12-02 15:48:09,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:48:09,352 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:09,352 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:09,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:48:09,352 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:09,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:09,353 INFO L85 PathProgramCache]: Analyzing trace with hash -498957088, now seen corresponding path program 1 times [2024-12-02 15:48:09,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:09,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139119155] [2024-12-02 15:48:09,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:09,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:10,175 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:48:10,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:10,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139119155] [2024-12-02 15:48:10,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139119155] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:10,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:10,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:48:10,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665096482] [2024-12-02 15:48:10,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:10,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:48:10,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:10,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:48:10,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:48:10,177 INFO L87 Difference]: Start difference. First operand 669 states and 906 transitions. Second operand has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:48:10,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:10,750 INFO L93 Difference]: Finished difference Result 1463 states and 1974 transitions. [2024-12-02 15:48:10,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:48:10,751 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2024-12-02 15:48:10,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:10,753 INFO L225 Difference]: With dead ends: 1463 [2024-12-02 15:48:10,753 INFO L226 Difference]: Without dead ends: 797 [2024-12-02 15:48:10,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:48:10,754 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 80 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:10,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 1259 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:48:10,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2024-12-02 15:48:10,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 665. [2024-12-02 15:48:10,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 585 states have (on average 1.2923076923076924) internal successors, (756), 588 states have internal predecessors, (756), 71 states have call successors, (71), 8 states have call predecessors, (71), 8 states have return successors, (71), 68 states have call predecessors, (71), 71 states have call successors, (71) [2024-12-02 15:48:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 898 transitions. [2024-12-02 15:48:10,799 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 898 transitions. Word has length 160 [2024-12-02 15:48:10,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:10,799 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 898 transitions. [2024-12-02 15:48:10,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:48:10,799 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 898 transitions. [2024-12-02 15:48:10,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:48:10,800 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:10,800 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:10,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:48:10,800 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:10,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:10,801 INFO L85 PathProgramCache]: Analyzing trace with hash 522001824, now seen corresponding path program 1 times [2024-12-02 15:48:10,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:10,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757892483] [2024-12-02 15:48:10,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:10,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:11,587 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:48:11,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:11,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757892483] [2024-12-02 15:48:11,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757892483] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:11,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:11,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:48:11,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16676502] [2024-12-02 15:48:11,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:11,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:48:11,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:11,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:48:11,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:48:11,588 INFO L87 Difference]: Start difference. First operand 665 states and 898 transitions. Second operand has 11 states, 9 states have (on average 7.0) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:48:12,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:12,209 INFO L93 Difference]: Finished difference Result 1441 states and 1941 transitions. [2024-12-02 15:48:12,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:48:12,209 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.0) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2024-12-02 15:48:12,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:12,211 INFO L225 Difference]: With dead ends: 1441 [2024-12-02 15:48:12,211 INFO L226 Difference]: Without dead ends: 779 [2024-12-02 15:48:12,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:48:12,212 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 75 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:12,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1343 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:48:12,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-12-02 15:48:12,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 651. [2024-12-02 15:48:12,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 571 states have (on average 1.2889667250437828) internal successors, (736), 574 states have internal predecessors, (736), 71 states have call successors, (71), 8 states have call predecessors, (71), 8 states have return successors, (71), 68 states have call predecessors, (71), 71 states have call successors, (71) [2024-12-02 15:48:12,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 878 transitions. [2024-12-02 15:48:12,273 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 878 transitions. Word has length 160 [2024-12-02 15:48:12,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:12,273 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 878 transitions. [2024-12-02 15:48:12,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.0) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:48:12,274 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 878 transitions. [2024-12-02 15:48:12,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 15:48:12,274 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:12,274 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:12,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 15:48:12,275 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:12,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:12,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1331949209, now seen corresponding path program 1 times [2024-12-02 15:48:12,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:12,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186808709] [2024-12-02 15:48:12,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:12,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:14,446 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:48:14,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:14,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186808709] [2024-12-02 15:48:14,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186808709] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:14,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:14,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2024-12-02 15:48:14,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355937289] [2024-12-02 15:48:14,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:14,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 15:48:14,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:14,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 15:48:14,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=502, Unknown=0, NotChecked=0, Total=552 [2024-12-02 15:48:14,447 INFO L87 Difference]: Start difference. First operand 651 states and 878 transitions. Second operand has 24 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 24 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 15:48:18,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:18,216 INFO L93 Difference]: Finished difference Result 1719 states and 2299 transitions. [2024-12-02 15:48:18,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-02 15:48:18,217 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 24 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 4 states have call successors, (20) Word has length 162 [2024-12-02 15:48:18,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:18,219 INFO L225 Difference]: With dead ends: 1719 [2024-12-02 15:48:18,219 INFO L226 Difference]: Without dead ends: 1071 [2024-12-02 15:48:18,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=228, Invalid=1934, Unknown=0, NotChecked=0, Total=2162 [2024-12-02 15:48:18,221 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 287 mSDsluCounter, 2911 mSDsCounter, 0 mSdLazyCounter, 2004 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 3093 SdHoareTripleChecker+Invalid, 2042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:18,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 3093 Invalid, 2042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2004 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-02 15:48:18,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2024-12-02 15:48:18,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 651. [2024-12-02 15:48:18,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 571 states have (on average 1.2889667250437828) internal successors, (736), 574 states have internal predecessors, (736), 71 states have call successors, (71), 8 states have call predecessors, (71), 8 states have return successors, (71), 68 states have call predecessors, (71), 71 states have call successors, (71) [2024-12-02 15:48:18,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 878 transitions. [2024-12-02 15:48:18,288 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 878 transitions. Word has length 162 [2024-12-02 15:48:18,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:18,288 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 878 transitions. [2024-12-02 15:48:18,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 24 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 15:48:18,288 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 878 transitions. [2024-12-02 15:48:18,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 15:48:18,289 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:18,289 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:18,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:48:18,289 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:18,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:18,289 INFO L85 PathProgramCache]: Analyzing trace with hash -198710584, now seen corresponding path program 1 times [2024-12-02 15:48:18,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:18,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110595165] [2024-12-02 15:48:18,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:18,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:18,426 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 15:48:18,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:18,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110595165] [2024-12-02 15:48:18,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110595165] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:48:18,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18386035] [2024-12-02 15:48:18,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:18,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:48:18,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:48:18,428 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:48:18,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:48:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:18,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:48:18,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:18,668 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:48:18,668 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:48:18,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18386035] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:18,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:48:18,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 15:48:18,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330358672] [2024-12-02 15:48:18,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:18,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:48:18,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:18,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:48:18,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:48:18,669 INFO L87 Difference]: Start difference. First operand 651 states and 878 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 15:48:18,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:18,734 INFO L93 Difference]: Finished difference Result 1314 states and 1773 transitions. [2024-12-02 15:48:18,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:48:18,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-12-02 15:48:18,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:18,737 INFO L225 Difference]: With dead ends: 1314 [2024-12-02 15:48:18,737 INFO L226 Difference]: Without dead ends: 666 [2024-12-02 15:48:18,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:48:18,740 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:18,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 535 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:48:18,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2024-12-02 15:48:18,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 666. [2024-12-02 15:48:18,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 586 states have (on average 1.2815699658703072) internal successors, (751), 589 states have internal predecessors, (751), 71 states have call successors, (71), 8 states have call predecessors, (71), 8 states have return successors, (71), 68 states have call predecessors, (71), 71 states have call successors, (71) [2024-12-02 15:48:18,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 893 transitions. [2024-12-02 15:48:18,814 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 893 transitions. Word has length 162 [2024-12-02 15:48:18,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:18,815 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 893 transitions. [2024-12-02 15:48:18,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 15:48:18,815 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 893 transitions. [2024-12-02 15:48:18,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 15:48:18,817 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:18,817 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:18,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 15:48:19,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e7eabc-87ea-4796-9f34-54de68948f6c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-12-02 15:48:19,017 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:19,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:19,018 INFO L85 PathProgramCache]: Analyzing trace with hash 329013799, now seen corresponding path program 1 times [2024-12-02 15:48:19,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:19,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152561274] [2024-12-02 15:48:19,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:19,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:27,326 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 15:49:27,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:49:27,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152561274] [2024-12-02 15:49:27,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152561274] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:27,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:27,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-12-02 15:49:27,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907508075] [2024-12-02 15:49:27,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:27,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 15:49:27,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:49:27,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 15:49:27,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=289, Unknown=15, NotChecked=0, Total=342 [2024-12-02 15:49:27,328 INFO L87 Difference]: Start difference. First operand 666 states and 893 transitions. Second operand has 19 states, 15 states have (on average 4.333333333333333) internal successors, (65), 19 states have internal predecessors, (65), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 5 states have call successors, (20) [2024-12-02 15:52:20,547 WARN L286 SmtUtils]: Spent 2.62m on a formula simplification. DAG size of input: 150 DAG size of output: 148 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 15:52:24,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:28,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:32,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:36,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:40,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:44,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:48,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:52,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:56,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:00,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:04,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:08,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:12,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:16,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:20,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:56:28,227 WARN L286 SmtUtils]: Spent 2.72m on a formula simplification. DAG size of input: 122 DAG size of output: 117 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 15:56:32,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:56:36,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:56:40,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:56:44,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:56:48,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:56:52,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:56:56,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:57:00,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:57:04,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:57:08,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:57:12,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:57:16,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:57:20,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:57:24,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:57:28,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:57:32,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:57:36,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:57:40,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:57:44,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:57:48,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:57:52,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:57:56,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:00,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:04,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:08,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:12,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:16,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:20,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:24,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:28,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:32,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:36,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:40,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:44,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:48,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:52,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:56,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:00,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:04,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:08,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:12,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:16,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:20,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:24,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:28,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:32,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:36,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:40,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:44,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:48,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:52,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:56,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:00:00,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:00:04,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:00:08,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:00:12,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:00:16,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:00:20,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:00:24,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:00:28,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:00:32,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:00:37,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:00:41,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:00:45,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:00:49,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:00:53,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:00:57,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:01:01,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:01:05,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:01:09,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:01:13,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:01:17,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:01:21,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:01:25,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:01:29,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:01:33,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:01:37,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:01:41,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:01:45,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:01:49,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:01:53,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:01:57,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:02:01,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:02:05,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:02:09,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:02:13,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:02:17,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:02:21,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:02:25,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:02:29,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:02:33,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:02:37,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 16:02:41,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []