./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX --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 bc8ba5687f86ca6bc535ef8887bd15483610a3c920778b0e5f157ae799e621ff --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:42:09,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:42:09,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:42:09,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:42:09,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:42:09,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:42:09,800 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:42:09,804 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:42:09,804 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:42:09,805 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:42:09,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:42:09,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:42:09,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:42:09,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:42:09,807 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:42:09,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:42:09,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:42:09,811 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:42:09,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:42:09,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:42:09,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:42:09,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:42:09,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:42:09,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:42:09,818 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:42:09,818 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:42:09,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:42:09,819 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:42:09,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:42:09,820 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:42:09,820 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:42:09,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:42:09,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:42:09,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:42:09,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:42:09,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:42:09,827 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:42:09,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:42:09,827 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:42:09,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:42:09,828 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:42:09,828 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:42:09,829 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_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc8ba5687f86ca6bc535ef8887bd15483610a3c920778b0e5f157ae799e621ff [2024-11-08 18:42:10,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:42:10,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:42:10,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:42:10,177 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:42:10,177 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:42:10,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-0.i Unable to find full path for "g++" [2024-11-08 18:42:12,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:42:12,682 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:42:12,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-0.i [2024-11-08 18:42:12,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/data/57f382ff6/e07d7a39ceb04e259514bf4f4f279053/FLAG001f073d4 [2024-11-08 18:42:12,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/data/57f382ff6/e07d7a39ceb04e259514bf4f4f279053 [2024-11-08 18:42:12,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:42:12,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:42:12,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:42:12,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:42:12,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:42:12,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:42:12" (1/1) ... [2024-11-08 18:42:12,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f13ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:12, skipping insertion in model container [2024-11-08 18:42:12,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:42:12" (1/1) ... [2024-11-08 18:42:12,993 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:42:13,215 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_83218bbd-912d-47cd-a05d-f8f9b301f933/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-0.i[915,928] [2024-11-08 18:42:13,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:42:13,458 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:42:13,471 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_83218bbd-912d-47cd-a05d-f8f9b301f933/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-0.i[915,928] [2024-11-08 18:42:13,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:42:13,605 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:42:13,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:13 WrapperNode [2024-11-08 18:42:13,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:42:13,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:42:13,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:42:13,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:42:13,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:13" (1/1) ... [2024-11-08 18:42:13,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:13" (1/1) ... [2024-11-08 18:42:13,802 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 346 [2024-11-08 18:42:13,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:42:13,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:42:13,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:42:13,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:42:13,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:13" (1/1) ... [2024-11-08 18:42:13,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:13" (1/1) ... [2024-11-08 18:42:13,843 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:13" (1/1) ... [2024-11-08 18:42:13,894 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]. [2024-11-08 18:42:13,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:13" (1/1) ... [2024-11-08 18:42:13,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:13" (1/1) ... [2024-11-08 18:42:13,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:13" (1/1) ... [2024-11-08 18:42:13,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:13" (1/1) ... [2024-11-08 18:42:13,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:13" (1/1) ... [2024-11-08 18:42:13,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:13" (1/1) ... [2024-11-08 18:42:13,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:42:13,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:42:13,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:42:13,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:42:13,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:13" (1/1) ... [2024-11-08 18:42:13,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:42:14,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:42:14,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:42:14,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:42:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:42:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:42:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:42:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:42:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:42:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:42:14,230 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:42:14,233 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:42:15,307 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-08 18:42:15,307 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:42:15,333 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:42:15,335 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:42:15,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:42:15 BoogieIcfgContainer [2024-11-08 18:42:15,336 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:42:15,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:42:15,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:42:15,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:42:15,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:42:12" (1/3) ... [2024-11-08 18:42:15,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea0a30c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:42:15, skipping insertion in model container [2024-11-08 18:42:15,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:13" (2/3) ... [2024-11-08 18:42:15,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea0a30c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:42:15, skipping insertion in model container [2024-11-08 18:42:15,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:42:15" (3/3) ... [2024-11-08 18:42:15,349 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-0.i [2024-11-08 18:42:15,370 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:42:15,370 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:42:15,455 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:42:15,462 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;@533e7b44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:42:15,463 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:42:15,469 INFO L276 IsEmpty]: Start isEmpty. Operand has 148 states, 113 states have (on average 1.5398230088495575) internal successors, (174), 114 states have internal predecessors, (174), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 18:42:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-08 18:42:15,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:15,498 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:42:15,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:42:15,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:15,506 INFO L85 PathProgramCache]: Analyzing trace with hash -974345756, now seen corresponding path program 1 times [2024-11-08 18:42:15,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:42:15,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887994180] [2024-11-08 18:42:15,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:15,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:42:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:42:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:42:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:42:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:42:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:42:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:42:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:42:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 18:42:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 18:42:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 18:42:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 18:42:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:42:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:42:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 18:42:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 18:42:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 18:42:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 18:42:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:42:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:42:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 18:42:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 18:42:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 18:42:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 18:42:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 18:42:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 18:42:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 18:42:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 18:42:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:42:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:42:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:42:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:42:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:42:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 18:42:16,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:42:16,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887994180] [2024-11-08 18:42:16,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887994180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:42:16,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:42:16,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:42:16,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311785505] [2024-11-08 18:42:16,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:42:16,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:42:16,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:42:16,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:42:16,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:42:16,290 INFO L87 Difference]: Start difference. First operand has 148 states, 113 states have (on average 1.5398230088495575) internal successors, (174), 114 states have internal predecessors, (174), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 18:42:16,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:16,357 INFO L93 Difference]: Finished difference Result 289 states and 502 transitions. [2024-11-08 18:42:16,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:42:16,360 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 230 [2024-11-08 18:42:16,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:16,372 INFO L225 Difference]: With dead ends: 289 [2024-11-08 18:42:16,373 INFO L226 Difference]: Without dead ends: 144 [2024-11-08 18:42:16,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:42:16,383 INFO L432 NwaCegarLoop]: 231 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, 231 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 [2024-11-08 18:42:16,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:42:16,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-08 18:42:16,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-08 18:42:16,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 110 states have (on average 1.518181818181818) internal successors, (167), 110 states have internal predecessors, (167), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 18:42:16,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 231 transitions. [2024-11-08 18:42:16,455 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 231 transitions. Word has length 230 [2024-11-08 18:42:16,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:16,456 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 231 transitions. [2024-11-08 18:42:16,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 18:42:16,456 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 231 transitions. [2024-11-08 18:42:16,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-08 18:42:16,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:16,467 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:42:16,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:42:16,468 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:42:16,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:16,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2138128944, now seen corresponding path program 1 times [2024-11-08 18:42:16,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:42:16,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463373743] [2024-11-08 18:42:16,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:16,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:42:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:42:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:42:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:42:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:42:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:42:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:42:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:42:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 18:42:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 18:42:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 18:42:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 18:42:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:42:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:42:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 18:42:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 18:42:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 18:42:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 18:42:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:16,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:42:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:42:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 18:42:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 18:42:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 18:42:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 18:42:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 18:42:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 18:42:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 18:42:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 18:42:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:42:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:42:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:42:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:42:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:42:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 18:42:17,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:42:17,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463373743] [2024-11-08 18:42:17,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463373743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:42:17,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:42:17,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:42:17,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943454830] [2024-11-08 18:42:17,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:42:17,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:42:17,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:42:17,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:42:17,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:42:17,079 INFO L87 Difference]: Start difference. First operand 144 states and 231 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 18:42:17,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:17,213 INFO L93 Difference]: Finished difference Result 382 states and 612 transitions. [2024-11-08 18:42:17,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:42:17,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 230 [2024-11-08 18:42:17,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:17,220 INFO L225 Difference]: With dead ends: 382 [2024-11-08 18:42:17,224 INFO L226 Difference]: Without dead ends: 241 [2024-11-08 18:42:17,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:42:17,227 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 149 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:42:17,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 430 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:42:17,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-08 18:42:17,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 238. [2024-11-08 18:42:17,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 193 states have (on average 1.5336787564766838) internal successors, (296), 194 states have internal predecessors, (296), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-08 18:42:17,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 380 transitions. [2024-11-08 18:42:17,275 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 380 transitions. Word has length 230 [2024-11-08 18:42:17,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:17,279 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 380 transitions. [2024-11-08 18:42:17,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 18:42:17,280 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 380 transitions. [2024-11-08 18:42:17,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-08 18:42:17,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:17,288 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:42:17,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:42:17,289 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:42:17,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:17,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1743762158, now seen corresponding path program 1 times [2024-11-08 18:42:17,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:42:17,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41525254] [2024-11-08 18:42:17,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:17,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:42:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:42:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:42:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:42:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:42:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:42:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:42:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:42:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 18:42:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 18:42:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 18:42:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 18:42:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:42:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:42:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 18:42:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 18:42:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 18:42:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 18:42:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:42:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:42:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 18:42:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 18:42:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 18:42:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 18:42:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 18:42:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 18:42:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 18:42:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 18:42:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:42:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:42:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:42:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:42:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:42:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 18:42:17,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:42:17,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41525254] [2024-11-08 18:42:17,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41525254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:42:17,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:42:17,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:42:17,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759370437] [2024-11-08 18:42:17,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:42:17,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:42:17,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:42:17,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:42:17,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:42:17,694 INFO L87 Difference]: Start difference. First operand 238 states and 380 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 18:42:17,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:17,816 INFO L93 Difference]: Finished difference Result 665 states and 1060 transitions. [2024-11-08 18:42:17,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:42:17,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 230 [2024-11-08 18:42:17,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:17,824 INFO L225 Difference]: With dead ends: 665 [2024-11-08 18:42:17,824 INFO L226 Difference]: Without dead ends: 430 [2024-11-08 18:42:17,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:42:17,829 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 145 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:42:17,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 471 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:42:17,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-08 18:42:17,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 427. [2024-11-08 18:42:17,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 358 states have (on average 1.5335195530726258) internal successors, (549), 361 states have internal predecessors, (549), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 61 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-08 18:42:17,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 677 transitions. [2024-11-08 18:42:17,883 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 677 transitions. Word has length 230 [2024-11-08 18:42:17,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:17,885 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 677 transitions. [2024-11-08 18:42:17,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 18:42:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 677 transitions. [2024-11-08 18:42:17,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-08 18:42:17,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:17,892 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:42:17,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:42:17,893 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:42:17,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:17,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1721129904, now seen corresponding path program 1 times [2024-11-08 18:42:17,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:42:17,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400227291] [2024-11-08 18:42:17,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:17,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:42:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:18,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:42:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:18,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:42:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:18,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:42:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:18,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:42:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:18,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:42:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:18,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:42:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:18,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:42:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:18,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 18:42:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:18,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 18:42:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:18,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 18:42:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:18,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 18:42:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:42:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:42:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 18:42:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 18:42:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 18:42:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 18:42:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:42:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:42:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 18:42:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 18:42:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 18:42:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 18:42:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 18:42:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 18:42:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 18:42:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 18:42:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:42:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:42:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:42:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:42:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:42:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 18:42:19,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:42:19,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400227291] [2024-11-08 18:42:19,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400227291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:42:19,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:42:19,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:42:19,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753944931] [2024-11-08 18:42:19,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:42:19,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:42:19,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:42:19,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:42:19,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:42:19,125 INFO L87 Difference]: Start difference. First operand 427 states and 677 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 18:42:20,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:20,006 INFO L93 Difference]: Finished difference Result 1676 states and 2659 transitions. [2024-11-08 18:42:20,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:42:20,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 230 [2024-11-08 18:42:20,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:20,014 INFO L225 Difference]: With dead ends: 1676 [2024-11-08 18:42:20,014 INFO L226 Difference]: Without dead ends: 1252 [2024-11-08 18:42:20,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:42:20,017 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 444 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:42:20,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 562 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 18:42:20,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2024-11-08 18:42:20,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 953. [2024-11-08 18:42:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 816 states have (on average 1.5392156862745099) internal successors, (1256), 822 states have internal predecessors, (1256), 128 states have call successors, (128), 8 states have call predecessors, (128), 8 states have return successors, (128), 122 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-08 18:42:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1512 transitions. [2024-11-08 18:42:20,109 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1512 transitions. Word has length 230 [2024-11-08 18:42:20,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:20,111 INFO L471 AbstractCegarLoop]: Abstraction has 953 states and 1512 transitions. [2024-11-08 18:42:20,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 18:42:20,111 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1512 transitions. [2024-11-08 18:42:20,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-08 18:42:20,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:20,116 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:42:20,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:42:20,117 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:42:20,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:20,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1948666264, now seen corresponding path program 1 times [2024-11-08 18:42:20,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:42:20,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677114316] [2024-11-08 18:42:20,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:20,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:42:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:42:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:42:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:42:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:42:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:42:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:42:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:42:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 18:42:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 18:42:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 18:42:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 18:42:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:42:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:42:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 18:42:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 18:42:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 18:42:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 18:42:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:42:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:42:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 18:42:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 18:42:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 18:42:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 18:42:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 18:42:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 18:42:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 18:42:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 18:42:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:42:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:42:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:42:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:42:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:42:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 24 proven. 69 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-08 18:42:21,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:42:21,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677114316] [2024-11-08 18:42:21,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677114316] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:42:21,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185345393] [2024-11-08 18:42:21,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:21,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:21,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:42:21,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:42:21,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:42:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:21,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:42:21,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:42:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 993 proven. 54 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2024-11-08 18:42:21,915 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:42:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 39 proven. 54 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-08 18:42:22,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185345393] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:42:22,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:42:22,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-08 18:42:22,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955495224] [2024-11-08 18:42:22,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:42:22,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:42:22,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:42:22,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:42:22,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:42:22,296 INFO L87 Difference]: Start difference. First operand 953 states and 1512 transitions. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 3 states have call successors, (73), 2 states have call predecessors, (73), 4 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2024-11-08 18:42:22,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:22,824 INFO L93 Difference]: Finished difference Result 1505 states and 2373 transitions. [2024-11-08 18:42:22,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 18:42:22,825 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 3 states have call successors, (73), 2 states have call predecessors, (73), 4 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 230 [2024-11-08 18:42:22,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:22,829 INFO L225 Difference]: With dead ends: 1505 [2024-11-08 18:42:22,829 INFO L226 Difference]: Without dead ends: 555 [2024-11-08 18:42:22,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 520 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:42:22,833 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 434 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:42:22,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 446 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:42:22,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-11-08 18:42:22,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 547. [2024-11-08 18:42:22,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 452 states have (on average 1.4646017699115044) internal successors, (662), 454 states have internal predecessors, (662), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-08 18:42:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 830 transitions. [2024-11-08 18:42:22,928 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 830 transitions. Word has length 230 [2024-11-08 18:42:22,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:22,929 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 830 transitions. [2024-11-08 18:42:22,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 3 states have call successors, (73), 2 states have call predecessors, (73), 4 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2024-11-08 18:42:22,930 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 830 transitions. [2024-11-08 18:42:22,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-08 18:42:22,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:22,934 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:42:22,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:42:23,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:23,135 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:42:23,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:23,136 INFO L85 PathProgramCache]: Analyzing trace with hash -708487646, now seen corresponding path program 1 times [2024-11-08 18:42:23,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:42:23,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146745968] [2024-11-08 18:42:23,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:23,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:42:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:42:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:42:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:42:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:42:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:42:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:42:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:42:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 18:42:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 18:42:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 18:42:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 18:42:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:42:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:42:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 18:42:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 18:42:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 18:42:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 18:42:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:42:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:42:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 18:42:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 18:42:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 18:42:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 18:42:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 18:42:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 18:42:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 18:42:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 18:42:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:42:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:42:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:42:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:42:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:42:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:23,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 18:42:23,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:42:23,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146745968] [2024-11-08 18:42:23,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146745968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:42:23,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:42:23,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:42:23,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442355533] [2024-11-08 18:42:23,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:42:23,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:42:23,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:42:23,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:42:23,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:42:23,870 INFO L87 Difference]: Start difference. First operand 547 states and 830 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 18:42:24,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:24,492 INFO L93 Difference]: Finished difference Result 1202 states and 1820 transitions. [2024-11-08 18:42:24,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:42:24,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 231 [2024-11-08 18:42:24,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:24,502 INFO L225 Difference]: With dead ends: 1202 [2024-11-08 18:42:24,502 INFO L226 Difference]: Without dead ends: 955 [2024-11-08 18:42:24,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:42:24,505 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 182 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:42:24,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 430 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 18:42:24,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2024-11-08 18:42:24,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 603. [2024-11-08 18:42:24,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 508 states have (on average 1.4724409448818898) internal successors, (748), 510 states have internal predecessors, (748), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-08 18:42:24,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 916 transitions. [2024-11-08 18:42:24,583 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 916 transitions. Word has length 231 [2024-11-08 18:42:24,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:24,584 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 916 transitions. [2024-11-08 18:42:24,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 18:42:24,584 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 916 transitions. [2024-11-08 18:42:24,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-08 18:42:24,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:24,590 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:42:24,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:42:24,590 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:42:24,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:24,591 INFO L85 PathProgramCache]: Analyzing trace with hash -83316518, now seen corresponding path program 1 times [2024-11-08 18:42:24,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:42:24,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369859615] [2024-11-08 18:42:24,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:24,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:42:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:42:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:42:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:42:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:42:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:42:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:42:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:42:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 18:42:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 18:42:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 18:42:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 18:42:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:42:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:42:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 18:42:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 18:42:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 18:42:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 18:42:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:42:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:42:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 18:42:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 18:42:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 18:42:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 18:42:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 18:42:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 18:42:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 18:42:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 18:42:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:42:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:42:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:42:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:42:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:42:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 30 proven. 63 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-08 18:42:25,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:42:25,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369859615] [2024-11-08 18:42:25,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369859615] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:42:25,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970459129] [2024-11-08 18:42:25,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:25,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:25,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:42:25,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:42:25,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:42:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:26,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:42:26,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:42:26,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 891 proven. 63 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2024-11-08 18:42:26,506 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:42:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 30 proven. 63 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-08 18:42:26,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970459129] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:42:26,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:42:26,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-08 18:42:26,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826848765] [2024-11-08 18:42:26,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:42:26,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:42:26,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:42:26,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:42:26,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:42:26,851 INFO L87 Difference]: Start difference. First operand 603 states and 916 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 2 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-08 18:42:27,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:27,291 INFO L93 Difference]: Finished difference Result 997 states and 1505 transitions. [2024-11-08 18:42:27,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:42:27,292 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 2 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 231 [2024-11-08 18:42:27,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:27,295 INFO L225 Difference]: With dead ends: 997 [2024-11-08 18:42:27,295 INFO L226 Difference]: Without dead ends: 397 [2024-11-08 18:42:27,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 522 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:42:27,297 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 144 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:42:27,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 541 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 18:42:27,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-08 18:42:27,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 388. [2024-11-08 18:42:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 303 states have (on average 1.4026402640264026) internal successors, (425), 304 states have internal predecessors, (425), 74 states have call successors, (74), 10 states have call predecessors, (74), 10 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-08 18:42:27,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 573 transitions. [2024-11-08 18:42:27,353 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 573 transitions. Word has length 231 [2024-11-08 18:42:27,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:27,354 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 573 transitions. [2024-11-08 18:42:27,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 2 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-08 18:42:27,355 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 573 transitions. [2024-11-08 18:42:27,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-08 18:42:27,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:27,359 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:42:27,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:42:27,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-08 18:42:27,561 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:42:27,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:27,561 INFO L85 PathProgramCache]: Analyzing trace with hash 50200153, now seen corresponding path program 1 times [2024-11-08 18:42:27,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:42:27,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932290176] [2024-11-08 18:42:27,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:27,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:42:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 18:42:28,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [294855402] [2024-11-08 18:42:28,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:28,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:28,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:42:28,087 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:42:28,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 18:42:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:28,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 18:42:28,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:42:31,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1255 proven. 63 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2024-11-08 18:42:31,043 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:42:33,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:42:33,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932290176] [2024-11-08 18:42:33,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 18:42:33,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294855402] [2024-11-08 18:42:33,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294855402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:42:33,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:42:33,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-08 18:42:33,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384211364] [2024-11-08 18:42:33,044 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 18:42:33,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 18:42:33,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:42:33,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 18:42:33,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=550, Unknown=0, NotChecked=0, Total=702 [2024-11-08 18:42:33,046 INFO L87 Difference]: Start difference. First operand 388 states and 573 transitions. Second operand has 17 states, 17 states have (on average 5.294117647058823) internal successors, (90), 17 states have internal predecessors, (90), 4 states have call successors, (32), 4 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-08 18:42:37,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:37,359 INFO L93 Difference]: Finished difference Result 1347 states and 1931 transitions. [2024-11-08 18:42:37,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-08 18:42:37,360 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.294117647058823) internal successors, (90), 17 states have internal predecessors, (90), 4 states have call successors, (32), 4 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 232 [2024-11-08 18:42:37,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:37,367 INFO L225 Difference]: With dead ends: 1347 [2024-11-08 18:42:37,367 INFO L226 Difference]: Without dead ends: 989 [2024-11-08 18:42:37,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=733, Invalid=1919, Unknown=0, NotChecked=0, Total=2652 [2024-11-08 18:42:37,370 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1288 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 2016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:42:37,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1344 Valid, 1180 Invalid, 2016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 1734 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-08 18:42:37,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2024-11-08 18:42:37,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 647. [2024-11-08 18:42:37,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 537 states have (on average 1.3947858472998138) internal successors, (749), 539 states have internal predecessors, (749), 88 states have call successors, (88), 21 states have call predecessors, (88), 21 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-08 18:42:37,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 925 transitions. [2024-11-08 18:42:37,452 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 925 transitions. Word has length 232 [2024-11-08 18:42:37,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:37,453 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 925 transitions. [2024-11-08 18:42:37,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.294117647058823) internal successors, (90), 17 states have internal predecessors, (90), 4 states have call successors, (32), 4 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-08 18:42:37,453 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 925 transitions. [2024-11-08 18:42:37,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-08 18:42:37,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:37,458 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:42:37,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 18:42:37,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:37,662 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:42:37,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:37,662 INFO L85 PathProgramCache]: Analyzing trace with hash 84560547, now seen corresponding path program 1 times [2024-11-08 18:42:37,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:42:37,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829615836] [2024-11-08 18:42:37,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:37,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:42:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 18:42:38,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [55325316] [2024-11-08 18:42:38,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:38,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:38,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:42:38,229 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:42:38,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 18:42:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:38,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 18:42:38,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:42:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1173 proven. 48 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2024-11-08 18:42:39,593 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:42:40,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 18:42:40,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:42:40,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829615836] [2024-11-08 18:42:40,288 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 18:42:40,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55325316] [2024-11-08 18:42:40,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55325316] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:42:40,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:42:40,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [19] total 26 [2024-11-08 18:42:40,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71853492] [2024-11-08 18:42:40,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:42:40,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 18:42:40,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:42:40,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 18:42:40,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=551, Unknown=0, NotChecked=0, Total=650 [2024-11-08 18:42:40,292 INFO L87 Difference]: Start difference. First operand 647 states and 925 transitions. Second operand has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 18:42:43,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:43,472 INFO L93 Difference]: Finished difference Result 4277 states and 6116 transitions. [2024-11-08 18:42:43,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 18:42:43,478 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 232 [2024-11-08 18:42:43,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:43,498 INFO L225 Difference]: With dead ends: 4277 [2024-11-08 18:42:43,499 INFO L226 Difference]: Without dead ends: 3671 [2024-11-08 18:42:43,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 438 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=174, Invalid=818, Unknown=0, NotChecked=0, Total=992 [2024-11-08 18:42:43,502 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 1596 mSDsluCounter, 2150 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1596 SdHoareTripleChecker+Valid, 2650 SdHoareTripleChecker+Invalid, 1264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:42:43,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1596 Valid, 2650 Invalid, 1264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 18:42:43,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3671 states. [2024-11-08 18:42:43,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3671 to 1474. [2024-11-08 18:42:43,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1474 states, 1256 states have (on average 1.4315286624203822) internal successors, (1798), 1260 states have internal predecessors, (1798), 176 states have call successors, (176), 41 states have call predecessors, (176), 41 states have return successors, (176), 172 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-08 18:42:43,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2150 transitions. [2024-11-08 18:42:43,739 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2150 transitions. Word has length 232 [2024-11-08 18:42:43,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:43,740 INFO L471 AbstractCegarLoop]: Abstraction has 1474 states and 2150 transitions. [2024-11-08 18:42:43,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 18:42:43,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2150 transitions. [2024-11-08 18:42:43,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-08 18:42:43,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:43,744 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:42:43,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 18:42:43,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:43,949 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:42:43,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:43,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1932290979, now seen corresponding path program 1 times [2024-11-08 18:42:43,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:42:43,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53626277] [2024-11-08 18:42:43,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:43,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:42:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:42:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:42:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:42:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:42:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:42:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:42:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:42:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 18:42:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 18:42:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 18:42:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 18:42:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:42:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:42:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 18:42:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 18:42:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 18:42:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 18:42:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:42:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:42:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 18:42:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 18:42:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 18:42:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 18:42:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 18:42:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 18:42:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 18:42:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 18:42:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:42:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:42:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:42:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:42:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:42:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 84 proven. 9 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-08 18:42:45,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:42:45,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53626277] [2024-11-08 18:42:45,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53626277] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:42:45,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552138162] [2024-11-08 18:42:45,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:45,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:45,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:42:45,608 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:42:45,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 18:42:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 18:42:45,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:42:46,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 423 proven. 9 refuted. 0 times theorem prover too weak. 1552 trivial. 0 not checked. [2024-11-08 18:42:46,600 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:42:47,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 84 proven. 9 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-08 18:42:47,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552138162] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:42:47,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:42:47,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 18 [2024-11-08 18:42:47,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095379642] [2024-11-08 18:42:47,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:42:47,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 18:42:47,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:42:47,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 18:42:47,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2024-11-08 18:42:47,390 INFO L87 Difference]: Start difference. First operand 1474 states and 2150 transitions. Second operand has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 18 states have internal predecessors, (146), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-08 18:43:04,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:04,063 INFO L93 Difference]: Finished difference Result 14444 states and 20111 transitions. [2024-11-08 18:43:04,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-11-08 18:43:04,064 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 18 states have internal predecessors, (146), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 232 [2024-11-08 18:43:04,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:04,126 INFO L225 Difference]: With dead ends: 14444 [2024-11-08 18:43:04,127 INFO L226 Difference]: Without dead ends: 13011 [2024-11-08 18:43:04,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 662 GetRequests, 538 SyntacticMatches, 1 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5813 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=2678, Invalid=12822, Unknown=0, NotChecked=0, Total=15500 [2024-11-08 18:43:04,138 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 3318 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 3634 mSolverCounterSat, 2121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3323 SdHoareTripleChecker+Valid, 2447 SdHoareTripleChecker+Invalid, 5755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2121 IncrementalHoareTripleChecker+Valid, 3634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:04,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3323 Valid, 2447 Invalid, 5755 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2121 Valid, 3634 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2024-11-08 18:43:04,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13011 states. [2024-11-08 18:43:04,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13011 to 2769. [2024-11-08 18:43:04,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2769 states, 2376 states have (on average 1.4457070707070707) internal successors, (3435), 2385 states have internal predecessors, (3435), 316 states have call successors, (316), 76 states have call predecessors, (316), 76 states have return successors, (316), 307 states have call predecessors, (316), 316 states have call successors, (316) [2024-11-08 18:43:04,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 4067 transitions. [2024-11-08 18:43:04,913 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 4067 transitions. Word has length 232 [2024-11-08 18:43:04,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:04,914 INFO L471 AbstractCegarLoop]: Abstraction has 2769 states and 4067 transitions. [2024-11-08 18:43:04,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 18 states have internal predecessors, (146), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-08 18:43:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 4067 transitions. [2024-11-08 18:43:04,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-08 18:43:04,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:04,918 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:04,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 18:43:05,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 18:43:05,123 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:43:05,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:05,124 INFO L85 PathProgramCache]: Analyzing trace with hash 911222625, now seen corresponding path program 1 times [2024-11-08 18:43:05,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:05,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527139575] [2024-11-08 18:43:05,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:05,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:43:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:43:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:43:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:43:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:43:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:43:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:43:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 18:43:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 18:43:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 18:43:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 18:43:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:43:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:43:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 18:43:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 18:43:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 18:43:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 18:43:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:43:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:43:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 18:43:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 18:43:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 18:43:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 18:43:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 18:43:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 18:43:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 18:43:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 18:43:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:43:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:43:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:43:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:43:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:43:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:06,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 18:43:06,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:06,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527139575] [2024-11-08 18:43:06,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527139575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:06,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:06,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:43:06,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287612059] [2024-11-08 18:43:06,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:06,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:43:06,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:06,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:43:06,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:43:06,120 INFO L87 Difference]: Start difference. First operand 2769 states and 4067 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 18:43:07,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:07,228 INFO L93 Difference]: Finished difference Result 9365 states and 13893 transitions. [2024-11-08 18:43:07,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:43:07,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 232 [2024-11-08 18:43:07,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:07,262 INFO L225 Difference]: With dead ends: 9365 [2024-11-08 18:43:07,262 INFO L226 Difference]: Without dead ends: 6623 [2024-11-08 18:43:07,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:43:07,274 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 462 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:07,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 624 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:43:07,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6623 states. [2024-11-08 18:43:08,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6623 to 5429. [2024-11-08 18:43:08,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5429 states, 4660 states have (on average 1.4343347639484978) internal successors, (6684), 4677 states have internal predecessors, (6684), 620 states have call successors, (620), 148 states have call predecessors, (620), 148 states have return successors, (620), 603 states have call predecessors, (620), 620 states have call successors, (620) [2024-11-08 18:43:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5429 states to 5429 states and 7924 transitions. [2024-11-08 18:43:08,493 INFO L78 Accepts]: Start accepts. Automaton has 5429 states and 7924 transitions. Word has length 232 [2024-11-08 18:43:08,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:08,494 INFO L471 AbstractCegarLoop]: Abstraction has 5429 states and 7924 transitions. [2024-11-08 18:43:08,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 18:43:08,494 INFO L276 IsEmpty]: Start isEmpty. Operand 5429 states and 7924 transitions. [2024-11-08 18:43:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-08 18:43:08,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:08,499 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:08,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 18:43:08,499 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:43:08,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:08,500 INFO L85 PathProgramCache]: Analyzing trace with hash 225109157, now seen corresponding path program 1 times [2024-11-08 18:43:08,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:08,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874500714] [2024-11-08 18:43:08,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:08,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:43:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:43:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:43:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:43:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:43:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:43:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:43:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 18:43:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 18:43:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 18:43:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 18:43:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:43:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:43:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 18:43:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 18:43:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 18:43:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 18:43:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:43:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:43:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 18:43:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 18:43:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 18:43:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 18:43:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 18:43:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 18:43:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 18:43:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 18:43:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 18:43:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 18:43:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 18:43:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 18:43:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 18:43:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:08,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 18:43:08,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:08,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874500714] [2024-11-08 18:43:08,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874500714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:08,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:08,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:43:08,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289330723] [2024-11-08 18:43:08,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:08,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:43:08,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:08,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:43:08,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:43:08,805 INFO L87 Difference]: Start difference. First operand 5429 states and 7924 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 18:43:09,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:09,838 INFO L93 Difference]: Finished difference Result 10785 states and 15751 transitions. [2024-11-08 18:43:09,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:43:09,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 232 [2024-11-08 18:43:09,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:09,859 INFO L225 Difference]: With dead ends: 10785 [2024-11-08 18:43:09,859 INFO L226 Difference]: Without dead ends: 5397 [2024-11-08 18:43:09,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:43:09,871 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 0 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:09,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 429 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:43:09,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5397 states. [2024-11-08 18:43:10,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5397 to 5397. [2024-11-08 18:43:10,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5397 states, 4628 states have (on average 1.4235090751944683) internal successors, (6588), 4645 states have internal predecessors, (6588), 620 states have call successors, (620), 148 states have call predecessors, (620), 148 states have return successors, (620), 603 states have call predecessors, (620), 620 states have call successors, (620) [2024-11-08 18:43:10,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5397 states to 5397 states and 7828 transitions. [2024-11-08 18:43:10,903 INFO L78 Accepts]: Start accepts. Automaton has 5397 states and 7828 transitions. Word has length 232 [2024-11-08 18:43:10,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:10,904 INFO L471 AbstractCegarLoop]: Abstraction has 5397 states and 7828 transitions. [2024-11-08 18:43:10,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 18:43:10,904 INFO L276 IsEmpty]: Start isEmpty. Operand 5397 states and 7828 transitions. [2024-11-08 18:43:10,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-08 18:43:10,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:10,909 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:10,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 18:43:10,910 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:43:10,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:10,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1999187689, now seen corresponding path program 1 times [2024-11-08 18:43:10,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:10,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344317790] [2024-11-08 18:43:10,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:10,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 18:43:11,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1210328025] [2024-11-08 18:43:11,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:11,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:43:11,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:43:11,221 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:43:11,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 18:43:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:11,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 18:43:11,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:43:12,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1011 proven. 51 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2024-11-08 18:43:12,278 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:43:12,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:12,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344317790] [2024-11-08 18:43:12,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 18:43:12,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210328025] [2024-11-08 18:43:12,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210328025] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:43:12,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:43:12,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-08 18:43:12,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359578881] [2024-11-08 18:43:12,899 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 18:43:12,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:43:12,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:12,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:43:12,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=46, Unknown=1, NotChecked=0, Total=72 [2024-11-08 18:43:12,901 INFO L87 Difference]: Start difference. First operand 5397 states and 7828 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 18:43:14,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:14,266 INFO L93 Difference]: Finished difference Result 10795 states and 15648 transitions. [2024-11-08 18:43:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:43:14,266 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 232 [2024-11-08 18:43:14,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:14,288 INFO L225 Difference]: With dead ends: 10795 [2024-11-08 18:43:14,289 INFO L226 Difference]: Without dead ends: 5439 [2024-11-08 18:43:14,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=79, Unknown=1, NotChecked=0, Total=132 [2024-11-08 18:43:14,299 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 196 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:14,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 832 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:43:14,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5439 states. [2024-11-08 18:43:15,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5439 to 5389. [2024-11-08 18:43:15,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5389 states, 4620 states have (on average 1.4164502164502164) internal successors, (6544), 4637 states have internal predecessors, (6544), 620 states have call successors, (620), 148 states have call predecessors, (620), 148 states have return successors, (620), 603 states have call predecessors, (620), 620 states have call successors, (620) [2024-11-08 18:43:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5389 states to 5389 states and 7784 transitions. [2024-11-08 18:43:15,434 INFO L78 Accepts]: Start accepts. Automaton has 5389 states and 7784 transitions. Word has length 232 [2024-11-08 18:43:15,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:15,435 INFO L471 AbstractCegarLoop]: Abstraction has 5389 states and 7784 transitions. [2024-11-08 18:43:15,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 18:43:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand 5389 states and 7784 transitions. [2024-11-08 18:43:15,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-08 18:43:15,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:15,441 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:15,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 18:43:15,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-08 18:43:15,646 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:43:15,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:15,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1098204802, now seen corresponding path program 1 times [2024-11-08 18:43:15,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:15,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118273716] [2024-11-08 18:43:15,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:15,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 18:43:15,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [822659616] [2024-11-08 18:43:15,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:15,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:43:15,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:43:15,937 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:43:15,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218bbd-912d-47cd-a05d-f8f9b301f933/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 18:43:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:16,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 18:43:16,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:43:17,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1173 proven. 48 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2024-11-08 18:43:17,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:43:22,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 84 proven. 9 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-08 18:43:22,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:22,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118273716] [2024-11-08 18:43:22,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 18:43:22,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822659616] [2024-11-08 18:43:22,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822659616] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:43:22,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:43:22,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 27 [2024-11-08 18:43:22,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872388862] [2024-11-08 18:43:22,736 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:43:22,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-08 18:43:22,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:22,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-08 18:43:22,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=588, Unknown=1, NotChecked=0, Total=702 [2024-11-08 18:43:22,738 INFO L87 Difference]: Start difference. First operand 5389 states and 7784 transitions. Second operand has 27 states, 27 states have (on average 5.148148148148148) internal successors, (139), 27 states have internal predecessors, (139), 4 states have call successors, (46), 3 states have call predecessors, (46), 6 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2024-11-08 18:43:27,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:43:39,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:43:51,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:44:03,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:44:08,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:44:12,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:44:17,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:44:21,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:44:25,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:44:30,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:44:34,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:44:46,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:44:50,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:45:21,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:45:33,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:45:37,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:45:41,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:45:53,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:46:05,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:46:09,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:46:13,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:46:17,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:46:21,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:46:25,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:46:30,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:46:34,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:46:38,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:46:42,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:46:46,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:46:54,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:47:25,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:47:37,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:47:41,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:47:45,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:47:49,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:47:54,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:47:58,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:48:02,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:48:06,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:48:10,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:48:14,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:48:18,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:48:22,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:48:26,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:48:30,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:48:34,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:48:38,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:48:43,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:48:47,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:48:51,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:48:55,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:48:59,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:49:03,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:49:07,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:49:11,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:49:15,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:49:19,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:49:23,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:49:27,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:49:31,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:49:35,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:49:40,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:49:45,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:49:49,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:49:50,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:49:54,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:49:58,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:50:02,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:50:06,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:50:11,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:50:15,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:50:19,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:50:23,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:50:27,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:50:31,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:50:36,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:50:40,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:50:44,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:50:48,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:50:52,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:50:56,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:51:00,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:51:04,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:51:08,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:51:12,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:51:17,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:51:22,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:51:26,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:51:30,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:51:34,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:51:38,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:51:42,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:51:46,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:51:50,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:51:54,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:51:58,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:52:03,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:52:07,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:52:11,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:52:15,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:52:19,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:52:23,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:52:29,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:52:33,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:52:37,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:52:41,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:52:45,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:52:49,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:52:53,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:52:57,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:53:01,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:53:05,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:53:09,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:53:13,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:53:17,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:53:22,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:53:26,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:53:30,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Real, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:53:34,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:53:38,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:53:43,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:53:47,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Real, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:53:52,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:53:56,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:54:12,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:54:25,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:54:29,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:54:33,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:54:37,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:54:41,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:54:43,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:54:47,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:54:51,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:54:55,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:54:59,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:55:03,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:55:08,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:55:12,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:55:16,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:55:20,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:55:24,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:55:28,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:55:32,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:55:36,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:55:40,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:55:45,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:55:49,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:55:53,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:55:57,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:56:01,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:56:06,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:56:10,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:56:14,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:56:18,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:56:25,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:56:29,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:56:33,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:56:37,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:56:41,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:56:45,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:56:50,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:56:54,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 18:56:58,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]