./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label47+token_ring.03.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label47+token_ring.03.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/bin/uautomizer-verify-4GaUIPS5ZU --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 6efc92bef151ce13307933930fbf12d828dd2fc0ecd03ad5da23928a5efb5fb2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:11:15,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:11:15,840 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:11:15,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:11:15,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:11:15,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:11:15,875 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:11:15,875 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:11:15,876 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:11:15,876 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:11:15,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:11:15,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:11:15,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:11:15,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:11:15,879 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:11:15,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:11:15,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:11:15,880 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:11:15,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:11:15,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:11:15,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:11:15,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:11:15,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:11:15,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:11:15,882 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:11:15,883 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:11:15,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:11:15,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:11:15,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:11:15,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:11:15,895 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:11:15,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:11:15,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:15,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:11:15,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:11:15,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:11:15,900 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:11:15,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:11:15,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:11:15,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:11:15,901 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:11:15,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:11:15,902 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6efc92bef151ce13307933930fbf12d828dd2fc0ecd03ad5da23928a5efb5fb2 [2024-10-31 22:11:16,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:11:16,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:11:16,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:11:16,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:11:16,224 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:11:16,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/combinations/Problem05_label47+token_ring.03.cil-2.c Unable to find full path for "g++" [2024-10-31 22:11:18,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:11:19,231 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:11:19,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/sv-benchmarks/c/combinations/Problem05_label47+token_ring.03.cil-2.c [2024-10-31 22:11:19,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/bin/uautomizer-verify-4GaUIPS5ZU/data/d31092af8/724fa59c00604d158ea970c114ae406b/FLAG60ef4aaa0 [2024-10-31 22:11:19,457 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/bin/uautomizer-verify-4GaUIPS5ZU/data/d31092af8/724fa59c00604d158ea970c114ae406b [2024-10-31 22:11:19,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:11:19,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:11:19,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:19,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:11:19,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:11:19,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:19" (1/1) ... [2024-10-31 22:11:19,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@670134c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:19, skipping insertion in model container [2024-10-31 22:11:19,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:19" (1/1) ... [2024-10-31 22:11:19,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:11:22,251 WARN L251 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_6cc75c2e-81f1-434b-9721-dcc4363e2731/sv-benchmarks/c/combinations/Problem05_label47+token_ring.03.cil-2.c[377612,377625] [2024-10-31 22:11:22,289 WARN L251 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_6cc75c2e-81f1-434b-9721-dcc4363e2731/sv-benchmarks/c/combinations/Problem05_label47+token_ring.03.cil-2.c[383339,383352] [2024-10-31 22:11:22,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:22,498 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:11:23,667 WARN L251 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_6cc75c2e-81f1-434b-9721-dcc4363e2731/sv-benchmarks/c/combinations/Problem05_label47+token_ring.03.cil-2.c[377612,377625] [2024-10-31 22:11:23,679 WARN L251 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_6cc75c2e-81f1-434b-9721-dcc4363e2731/sv-benchmarks/c/combinations/Problem05_label47+token_ring.03.cil-2.c[383339,383352] [2024-10-31 22:11:23,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:23,767 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:11:23,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:23 WrapperNode [2024-10-31 22:11:23,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:23,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:23,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:11:23,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:11:23,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:23" (1/1) ... [2024-10-31 22:11:23,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:23" (1/1) ... [2024-10-31 22:11:24,299 INFO L138 Inliner]: procedures = 50, calls = 50, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 12693 [2024-10-31 22:11:24,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:24,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:11:24,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:11:24,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:11:24,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:23" (1/1) ... [2024-10-31 22:11:24,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:23" (1/1) ... [2024-10-31 22:11:24,496 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:23" (1/1) ... [2024-10-31 22:11:24,622 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:11:24,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:23" (1/1) ... [2024-10-31 22:11:24,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:23" (1/1) ... [2024-10-31 22:11:24,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:23" (1/1) ... [2024-10-31 22:11:24,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:23" (1/1) ... [2024-10-31 22:11:25,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:23" (1/1) ... [2024-10-31 22:11:25,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:23" (1/1) ... [2024-10-31 22:11:25,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:11:25,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:11:25,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:11:25,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:11:25,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:23" (1/1) ... [2024-10-31 22:11:25,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:25,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:25,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:11:25,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc75c2e-81f1-434b-9721-dcc4363e2731/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:11:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:11:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-10-31 22:11:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-10-31 22:11:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-10-31 22:11:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-10-31 22:11:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-10-31 22:11:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-10-31 22:11:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-10-31 22:11:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-10-31 22:11:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-10-31 22:11:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-10-31 22:11:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-10-31 22:11:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-10-31 22:11:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:11:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:11:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:11:25,386 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:11:25,388 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:11:35,639 INFO L? ?]: Removed 1701 outVars from TransFormulas that were not future-live. [2024-10-31 22:11:35,640 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:11:35,701 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:11:35,702 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-10-31 22:11:35,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:35 BoogieIcfgContainer [2024-10-31 22:11:35,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:11:35,711 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:11:35,711 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:11:35,716 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:11:35,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:11:19" (1/3) ... [2024-10-31 22:11:35,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392dbfcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:35, skipping insertion in model container [2024-10-31 22:11:35,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:23" (2/3) ... [2024-10-31 22:11:35,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392dbfcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:35, skipping insertion in model container [2024-10-31 22:11:35,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:35" (3/3) ... [2024-10-31 22:11:35,722 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label47+token_ring.03.cil-2.c [2024-10-31 22:11:35,744 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:11:35,744 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:11:35,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:11:35,893 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;@3a861e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:11:35,893 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 22:11:35,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 2344 states, 2318 states have (on average 1.8541846419327006) internal successors, (4298), 2321 states have internal predecessors, (4298), 17 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:11:35,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-31 22:11:35,922 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:35,923 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:35,923 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:35,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:35,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1659781244, now seen corresponding path program 1 times [2024-10-31 22:11:35,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:35,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341978487] [2024-10-31 22:11:35,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:35,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-31 22:11:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-31 22:11:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:11:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-31 22:11:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:11:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:36,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:36,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341978487] [2024-10-31 22:11:36,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341978487] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:36,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:36,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:11:36,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921383778] [2024-10-31 22:11:36,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:36,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:11:36,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:36,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:11:36,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:11:36,775 INFO L87 Difference]: Start difference. First operand has 2344 states, 2318 states have (on average 1.8541846419327006) internal successors, (4298), 2321 states have internal predecessors, (4298), 17 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:11:38,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:38,661 INFO L93 Difference]: Finished difference Result 4911 states and 9024 transitions. [2024-10-31 22:11:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:11:38,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 79 [2024-10-31 22:11:38,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:38,704 INFO L225 Difference]: With dead ends: 4911 [2024-10-31 22:11:38,705 INFO L226 Difference]: Without dead ends: 2508 [2024-10-31 22:11:38,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:11:38,723 INFO L432 NwaCegarLoop]: 4166 mSDtfsCounter, 4555 mSDsluCounter, 12484 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4565 SdHoareTripleChecker+Valid, 16650 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:38,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4565 Valid, 16650 Invalid, 826 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [72 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-31 22:11:38,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2024-10-31 22:11:38,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2423. [2024-10-31 22:11:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2423 states, 2379 states have (on average 1.8263976460697773) internal successors, (4345), 2382 states have internal predecessors, (4345), 29 states have call successors, (29), 12 states have call predecessors, (29), 13 states have return successors, (32), 29 states have call predecessors, (32), 29 states have call successors, (32) [2024-10-31 22:11:38,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2423 states and 4406 transitions. [2024-10-31 22:11:38,930 INFO L78 Accepts]: Start accepts. Automaton has 2423 states and 4406 transitions. Word has length 79 [2024-10-31 22:11:38,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:38,931 INFO L471 AbstractCegarLoop]: Abstraction has 2423 states and 4406 transitions. [2024-10-31 22:11:38,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:11:38,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2423 states and 4406 transitions. [2024-10-31 22:11:38,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-31 22:11:38,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:38,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:38,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:11:38,939 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:38,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:38,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1422733048, now seen corresponding path program 1 times [2024-10-31 22:11:38,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:38,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627278663] [2024-10-31 22:11:38,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:38,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:39,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-31 22:11:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:39,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-31 22:11:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:39,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:11:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:39,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-31 22:11:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:39,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:11:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:39,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:39,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:39,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627278663] [2024-10-31 22:11:39,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627278663] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:39,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:39,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:11:39,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112669128] [2024-10-31 22:11:39,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:39,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:11:39,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:39,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:11:39,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:11:39,245 INFO L87 Difference]: Start difference. First operand 2423 states and 4406 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:11:41,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:41,265 INFO L93 Difference]: Finished difference Result 2989 states and 5264 transitions. [2024-10-31 22:11:41,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-31 22:11:41,266 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 79 [2024-10-31 22:11:41,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:41,279 INFO L225 Difference]: With dead ends: 2989 [2024-10-31 22:11:41,280 INFO L226 Difference]: Without dead ends: 2698 [2024-10-31 22:11:41,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-10-31 22:11:41,284 INFO L432 NwaCegarLoop]: 4194 mSDtfsCounter, 4485 mSDsluCounter, 16591 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4495 SdHoareTripleChecker+Valid, 20785 SdHoareTripleChecker+Invalid, 1267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:41,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4495 Valid, 20785 Invalid, 1267 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [43 Valid, 1224 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-31 22:11:41,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2024-10-31 22:11:41,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 2560. [2024-10-31 22:11:41,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2560 states, 2497 states have (on average 1.8093712454945936) internal successors, (4518), 2501 states have internal predecessors, (4518), 41 states have call successors, (41), 18 states have call predecessors, (41), 20 states have return successors, (46), 42 states have call predecessors, (46), 41 states have call successors, (46) [2024-10-31 22:11:41,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2560 states and 4605 transitions. [2024-10-31 22:11:41,389 INFO L78 Accepts]: Start accepts. Automaton has 2560 states and 4605 transitions. Word has length 79 [2024-10-31 22:11:41,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:41,390 INFO L471 AbstractCegarLoop]: Abstraction has 2560 states and 4605 transitions. [2024-10-31 22:11:41,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:11:41,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 4605 transitions. [2024-10-31 22:11:41,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-31 22:11:41,393 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:41,393 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:41,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:11:41,394 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:41,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:41,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1477125946, now seen corresponding path program 1 times [2024-10-31 22:11:41,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:41,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171461658] [2024-10-31 22:11:41,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:41,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:41,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-31 22:11:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:41,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-31 22:11:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:41,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:11:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:41,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-31 22:11:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:41,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:11:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:41,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:41,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171461658] [2024-10-31 22:11:41,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171461658] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:41,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:41,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:11:41,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536411767] [2024-10-31 22:11:41,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:41,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:11:41,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:41,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:11:41,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:11:41,595 INFO L87 Difference]: Start difference. First operand 2560 states and 4605 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:11:43,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:43,329 INFO L93 Difference]: Finished difference Result 3483 states and 5999 transitions. [2024-10-31 22:11:43,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-31 22:11:43,330 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 79 [2024-10-31 22:11:43,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:43,346 INFO L225 Difference]: With dead ends: 3483 [2024-10-31 22:11:43,346 INFO L226 Difference]: Without dead ends: 3055 [2024-10-31 22:11:43,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-10-31 22:11:43,353 INFO L432 NwaCegarLoop]: 4192 mSDtfsCounter, 4483 mSDsluCounter, 16591 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4493 SdHoareTripleChecker+Valid, 20783 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:43,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4493 Valid, 20783 Invalid, 1265 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [45 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-31 22:11:43,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3055 states. [2024-10-31 22:11:43,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3055 to 2835. [2024-10-31 22:11:43,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2835 states, 2734 states have (on average 1.7794440380395025) internal successors, (4865), 2740 states have internal predecessors, (4865), 65 states have call successors, (65), 30 states have call predecessors, (65), 34 states have return successors, (78), 68 states have call predecessors, (78), 65 states have call successors, (78) [2024-10-31 22:11:43,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 5008 transitions. [2024-10-31 22:11:43,484 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 5008 transitions. Word has length 79 [2024-10-31 22:11:43,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:43,485 INFO L471 AbstractCegarLoop]: Abstraction has 2835 states and 5008 transitions. [2024-10-31 22:11:43,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:11:43,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 5008 transitions. [2024-10-31 22:11:43,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-31 22:11:43,487 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:43,491 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:43,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:11:43,492 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:43,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:43,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1894522552, now seen corresponding path program 1 times [2024-10-31 22:11:43,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:43,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365174296] [2024-10-31 22:11:43,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:43,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:43,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-31 22:11:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:43,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-31 22:11:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:43,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:11:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:43,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-31 22:11:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:43,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:11:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:43,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:43,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365174296] [2024-10-31 22:11:43,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365174296] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:43,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:43,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:11:43,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556386214] [2024-10-31 22:11:43,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:43,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:11:43,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:43,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:11:43,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:11:43,688 INFO L87 Difference]: Start difference. First operand 2835 states and 5008 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:11:45,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:45,321 INFO L93 Difference]: Finished difference Result 4438 states and 7418 transitions. [2024-10-31 22:11:45,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-31 22:11:45,322 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 79 [2024-10-31 22:11:45,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:45,338 INFO L225 Difference]: With dead ends: 4438 [2024-10-31 22:11:45,339 INFO L226 Difference]: Without dead ends: 3735 [2024-10-31 22:11:45,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-10-31 22:11:45,344 INFO L432 NwaCegarLoop]: 4192 mSDtfsCounter, 4479 mSDsluCounter, 16591 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4489 SdHoareTripleChecker+Valid, 20783 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:45,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4489 Valid, 20783 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1211 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-31 22:11:45,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3735 states. [2024-10-31 22:11:45,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3735 to 3386. [2024-10-31 22:11:45,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3386 states, 3209 states have (on average 1.7323153630414458) internal successors, (5559), 3219 states have internal predecessors, (5559), 113 states have call successors, (113), 54 states have call predecessors, (113), 62 states have return successors, (148), 120 states have call predecessors, (148), 113 states have call successors, (148) [2024-10-31 22:11:45,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 5820 transitions. [2024-10-31 22:11:45,501 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 5820 transitions. Word has length 79 [2024-10-31 22:11:45,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:45,502 INFO L471 AbstractCegarLoop]: Abstraction has 3386 states and 5820 transitions. [2024-10-31 22:11:45,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:11:45,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 5820 transitions. [2024-10-31 22:11:45,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-31 22:11:45,505 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:45,505 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:45,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:11:45,505 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:45,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:45,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1215250298, now seen corresponding path program 1 times [2024-10-31 22:11:45,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:45,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77685929] [2024-10-31 22:11:45,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:45,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:45,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-31 22:11:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:45,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-31 22:11:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:45,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:11:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat