./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.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_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/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_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/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_5e551f73-fd0a-470d-a835-91deffe8c01c/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 60e0d367a188d63fa8b46fcc4be9e9d24b19690e82d361011ef9ebf2c61f53ca --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:22:36,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:22:36,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:22:36,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:22:36,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:22:36,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:22:36,473 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:22:36,473 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:22:36,473 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:22:36,474 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:22:36,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:22:36,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:22:36,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:22:36,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:22:36,477 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:22:36,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:22:36,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:22:36,478 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:22:36,479 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:22:36,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:22:36,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:22:36,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:22:36,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:22:36,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:22:36,488 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:22:36,489 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:22:36,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:22:36,489 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:22:36,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:22:36,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:22:36,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:22:36,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:22:36,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:22:36,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:22:36,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:22:36,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:22:36,494 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:22:36,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:22:36,495 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:22:36,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:22:36,495 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:22:36,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:22:36,498 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_5e551f73-fd0a-470d-a835-91deffe8c01c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60e0d367a188d63fa8b46fcc4be9e9d24b19690e82d361011ef9ebf2c61f53ca [2024-11-08 19:22:36,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:22:36,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:22:36,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:22:36,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:22:36,810 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:22:36,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i Unable to find full path for "g++" [2024-11-08 19:22:38,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:22:39,255 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:22:39,256 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i [2024-11-08 19:22:39,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/data/e9ad7299b/62f4fef1e7d54575a9b22126d12b2541/FLAG4be02462b [2024-11-08 19:22:39,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/data/e9ad7299b/62f4fef1e7d54575a9b22126d12b2541 [2024-11-08 19:22:39,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:22:39,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:22:39,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:22:39,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:22:39,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:22:39,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:22:39" (1/1) ... [2024-11-08 19:22:39,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e381035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:39, skipping insertion in model container [2024-11-08 19:22:39,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:22:39" (1/1) ... [2024-11-08 19:22:39,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:22:39,542 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_5e551f73-fd0a-470d-a835-91deffe8c01c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i[916,929] [2024-11-08 19:22:39,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:22:39,624 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:22:39,637 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_5e551f73-fd0a-470d-a835-91deffe8c01c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i[916,929] [2024-11-08 19:22:39,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:22:39,704 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:22:39,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:39 WrapperNode [2024-11-08 19:22:39,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:22:39,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:22:39,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:22:39,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:22:39,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:39" (1/1) ... [2024-11-08 19:22:39,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:39" (1/1) ... [2024-11-08 19:22:39,785 INFO L138 Inliner]: procedures = 29, calls = 135, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 408 [2024-11-08 19:22:39,786 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:22:39,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:22:39,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:22:39,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:22:39,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:39" (1/1) ... [2024-11-08 19:22:39,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:39" (1/1) ... [2024-11-08 19:22:39,818 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:39" (1/1) ... [2024-11-08 19:22:39,844 INFO L175 MemorySlicer]: Split 106 memory accesses to 7 slices as follows [2, 6, 3, 13, 17, 30, 35]. 33 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 2, 2, 3, 3]. The 16 writes are split as follows [0, 1, 1, 2, 5, 3, 4]. [2024-11-08 19:22:39,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:39" (1/1) ... [2024-11-08 19:22:39,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:39" (1/1) ... [2024-11-08 19:22:39,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:39" (1/1) ... [2024-11-08 19:22:39,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:39" (1/1) ... [2024-11-08 19:22:39,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:39" (1/1) ... [2024-11-08 19:22:39,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:39" (1/1) ... [2024-11-08 19:22:39,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:22:39,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:22:39,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:22:39,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:22:39,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:39" (1/1) ... [2024-11-08 19:22:39,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:22:39,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:22:39,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:22:39,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:22:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:22:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-08 19:22:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-08 19:22:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-08 19:22:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-08 19:22:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-08 19:22:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-08 19:22:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-08 19:22:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 19:22:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 19:22:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 19:22:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 19:22:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 19:22:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 19:22:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 19:22:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-08 19:22:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-08 19:22:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-08 19:22:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-08 19:22:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-08 19:22:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-08 19:22:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-08 19:22:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 19:22:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 19:22:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 19:22:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 19:22:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 19:22:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 19:22:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 19:22:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-08 19:22:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-08 19:22:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-08 19:22:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-08 19:22:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-08 19:22:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-08 19:22:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-08 19:22:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:22:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:22:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:22:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 19:22:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 19:22:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 19:22:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 19:22:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 19:22:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 19:22:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:22:39,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:22:40,233 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:22:40,235 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:22:40,939 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-11-08 19:22:40,939 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:22:40,971 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:22:40,972 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:22:40,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:22:40 BoogieIcfgContainer [2024-11-08 19:22:40,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:22:40,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:22:40,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:22:40,981 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:22:40,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:22:39" (1/3) ... [2024-11-08 19:22:40,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12157f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:22:40, skipping insertion in model container [2024-11-08 19:22:40,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:39" (2/3) ... [2024-11-08 19:22:40,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12157f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:22:40, skipping insertion in model container [2024-11-08 19:22:40,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:22:40" (3/3) ... [2024-11-08 19:22:40,985 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-67.i [2024-11-08 19:22:41,007 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:22:41,007 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:22:41,080 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:22:41,087 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;@115a6131, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:22:41,088 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:22:41,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 79 states have internal predecessors, (109), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 19:22:41,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:22:41,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:41,108 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:41,109 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:41,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:41,115 INFO L85 PathProgramCache]: Analyzing trace with hash 809639748, now seen corresponding path program 1 times [2024-11-08 19:22:41,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:41,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964991371] [2024-11-08 19:22:41,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:41,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:41,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:22:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:41,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:22:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:41,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 19:22:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:41,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 19:22:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:41,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:22:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:41,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:22:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:41,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:22:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:22:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 19:22:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:41,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 19:22:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:41,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:22:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:41,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 19:22:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:22:41,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:41,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964991371] [2024-11-08 19:22:41,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964991371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:41,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:41,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:22:41,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685680306] [2024-11-08 19:22:41,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:41,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:22:41,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:41,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:22:41,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:22:41,731 INFO L87 Difference]: Start difference. First operand has 93 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 79 states have internal predecessors, (109), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:22:41,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:41,780 INFO L93 Difference]: Finished difference Result 179 states and 272 transitions. [2024-11-08 19:22:41,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:22:41,782 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 104 [2024-11-08 19:22:41,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:41,795 INFO L225 Difference]: With dead ends: 179 [2024-11-08 19:22:41,795 INFO L226 Difference]: Without dead ends: 89 [2024-11-08 19:22:41,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 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 19:22:41,809 INFO L432 NwaCegarLoop]: 126 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, 126 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 19:22:41,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:22:41,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-08 19:22:41,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-08 19:22:41,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 75 states have (on average 1.36) internal successors, (102), 75 states have internal predecessors, (102), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 19:22:41,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2024-11-08 19:22:41,882 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 104 [2024-11-08 19:22:41,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:41,883 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2024-11-08 19:22:41,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:22:41,884 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2024-11-08 19:22:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:22:41,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:41,888 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:41,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:22:41,889 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:41,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:41,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1588692916, now seen corresponding path program 1 times [2024-11-08 19:22:41,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:41,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189739035] [2024-11-08 19:22:41,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:41,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:22:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:22:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 19:22:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 19:22:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:22:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:22:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:22:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:22:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 19:22:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 19:22:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:22:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 19:22:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,527 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:22:42,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:42,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189739035] [2024-11-08 19:22:42,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189739035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:42,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:42,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:22:42,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006615084] [2024-11-08 19:22:42,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:42,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:22:42,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:42,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:22:42,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:22:42,538 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:42,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:42,611 INFO L93 Difference]: Finished difference Result 178 states and 253 transitions. [2024-11-08 19:22:42,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:22:42,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-11-08 19:22:42,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:42,614 INFO L225 Difference]: With dead ends: 178 [2024-11-08 19:22:42,614 INFO L226 Difference]: Without dead ends: 92 [2024-11-08 19:22:42,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 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 19:22:42,617 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:42,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 358 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:22:42,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-08 19:22:42,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2024-11-08 19:22:42,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 77 states have (on average 1.3506493506493507) internal successors, (104), 77 states have internal predecessors, (104), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 19:22:42,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 128 transitions. [2024-11-08 19:22:42,636 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 128 transitions. Word has length 104 [2024-11-08 19:22:42,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:42,638 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 128 transitions. [2024-11-08 19:22:42,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 128 transitions. [2024-11-08 19:22:42,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:22:42,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:42,646 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:42,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:22:42,647 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:42,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:42,648 INFO L85 PathProgramCache]: Analyzing trace with hash -2026216010, now seen corresponding path program 1 times [2024-11-08 19:22:42,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:42,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236802139] [2024-11-08 19:22:42,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:42,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:22:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:22:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 19:22:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 19:22:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:22:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:22:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:22:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:22:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 19:22:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 19:22:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:22:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:42,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 19:22:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:22:43,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:43,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236802139] [2024-11-08 19:22:43,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236802139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:43,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:43,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:22:43,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145627114] [2024-11-08 19:22:43,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:43,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:22:43,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:43,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:22:43,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:22:43,008 INFO L87 Difference]: Start difference. First operand 91 states and 128 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:43,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:43,066 INFO L93 Difference]: Finished difference Result 182 states and 257 transitions. [2024-11-08 19:22:43,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:22:43,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-11-08 19:22:43,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:43,069 INFO L225 Difference]: With dead ends: 182 [2024-11-08 19:22:43,070 INFO L226 Difference]: Without dead ends: 94 [2024-11-08 19:22:43,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 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 19:22:43,072 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:43,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 359 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:22:43,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-08 19:22:43,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 93. [2024-11-08 19:22:43,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 79 states have (on average 1.3417721518987342) internal successors, (106), 79 states have internal predecessors, (106), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 19:22:43,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 130 transitions. [2024-11-08 19:22:43,099 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 130 transitions. Word has length 104 [2024-11-08 19:22:43,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:43,100 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 130 transitions. [2024-11-08 19:22:43,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:43,101 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 130 transitions. [2024-11-08 19:22:43,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:22:43,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:43,107 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:43,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:22:43,108 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:43,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:43,108 INFO L85 PathProgramCache]: Analyzing trace with hash -251208648, now seen corresponding path program 1 times [2024-11-08 19:22:43,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:43,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558366958] [2024-11-08 19:22:43,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:43,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:48,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:22:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:48,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:22:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:48,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 19:22:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:48,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 19:22:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:48,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:22:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:48,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:22:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:48,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:22:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:48,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:22:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:48,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 19:22:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:48,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 19:22:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:48,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:22:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:48,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 19:22:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-08 19:22:48,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:48,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558366958] [2024-11-08 19:22:48,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558366958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:22:48,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405423896] [2024-11-08 19:22:48,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:48,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:48,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:22:48,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:22:48,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:22:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:48,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 19:22:48,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:48,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:22:49,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2024-11-08 19:22:49,713 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:22:49,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 73 [2024-11-08 19:22:50,908 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:22:50,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 278 treesize of output 116 [2024-11-08 19:22:51,082 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 167 proven. 12 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-08 19:22:51,083 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:22:51,950 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:22:51,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405423896] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:22:51,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:22:51,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15, 14] total 30 [2024-11-08 19:22:51,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173630828] [2024-11-08 19:22:51,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:51,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:22:51,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:51,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:22:51,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=749, Unknown=0, NotChecked=0, Total=870 [2024-11-08 19:22:51,958 INFO L87 Difference]: Start difference. First operand 93 states and 130 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:52,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:52,545 INFO L93 Difference]: Finished difference Result 284 states and 397 transitions. [2024-11-08 19:22:52,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:22:52,546 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-11-08 19:22:52,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:52,549 INFO L225 Difference]: With dead ends: 284 [2024-11-08 19:22:52,552 INFO L226 Difference]: Without dead ends: 194 [2024-11-08 19:22:52,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=135, Invalid=857, Unknown=0, NotChecked=0, Total=992 [2024-11-08 19:22:52,554 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 356 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:52,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 786 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:22:52,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-08 19:22:52,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 168. [2024-11-08 19:22:52,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 147 states have (on average 1.3537414965986394) internal successors, (199), 148 states have internal predecessors, (199), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 19:22:52,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 235 transitions. [2024-11-08 19:22:52,596 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 235 transitions. Word has length 104 [2024-11-08 19:22:52,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:52,596 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 235 transitions. [2024-11-08 19:22:52,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:52,597 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 235 transitions. [2024-11-08 19:22:52,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:22:52,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:52,603 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:52,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 19:22:52,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:52,807 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:52,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:52,808 INFO L85 PathProgramCache]: Analyzing trace with hash -2056646982, now seen corresponding path program 1 times [2024-11-08 19:22:52,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:52,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362388532] [2024-11-08 19:22:52,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:52,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:52,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:22:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:52,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:22:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:52,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 19:22:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:52,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 19:22:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:52,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:22:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:52,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:22:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:52,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:22:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:52,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:22:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:52,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 19:22:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:52,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 19:22:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:52,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:22:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:52,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 19:22:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:22:52,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:52,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362388532] [2024-11-08 19:22:52,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362388532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:52,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:52,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:22:52,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691510243] [2024-11-08 19:22:52,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:52,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:22:52,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:52,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:22:52,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:22:52,990 INFO L87 Difference]: Start difference. First operand 168 states and 235 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:53,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:53,036 INFO L93 Difference]: Finished difference Result 369 states and 514 transitions. [2024-11-08 19:22:53,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:22:53,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-11-08 19:22:53,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:53,044 INFO L225 Difference]: With dead ends: 369 [2024-11-08 19:22:53,045 INFO L226 Difference]: Without dead ends: 204 [2024-11-08 19:22:53,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 19:22:53,049 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 61 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:53,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 313 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:22:53,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-08 19:22:53,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 166. [2024-11-08 19:22:53,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 145 states have (on average 1.3448275862068966) internal successors, (195), 146 states have internal predecessors, (195), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 19:22:53,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 231 transitions. [2024-11-08 19:22:53,084 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 231 transitions. Word has length 104 [2024-11-08 19:22:53,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:53,086 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 231 transitions. [2024-11-08 19:22:53,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 231 transitions. [2024-11-08 19:22:53,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:22:53,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:53,091 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:53,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:22:53,092 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:53,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:53,096 INFO L85 PathProgramCache]: Analyzing trace with hash -237497529, now seen corresponding path program 1 times [2024-11-08 19:22:53,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:53,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308268242] [2024-11-08 19:22:53,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:53,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:54,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:22:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:54,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:22:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:54,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 19:22:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:54,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 19:22:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:54,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:22:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:54,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:22:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:54,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:22:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:54,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:22:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:54,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 19:22:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:54,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 19:22:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:54,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:22:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:54,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 19:22:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:22:54,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:54,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308268242] [2024-11-08 19:22:54,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308268242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:54,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:54,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:22:54,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152719910] [2024-11-08 19:22:54,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:54,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:22:54,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:54,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:22:54,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:22:54,275 INFO L87 Difference]: Start difference. First operand 166 states and 231 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:22:54,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:54,653 INFO L93 Difference]: Finished difference Result 480 states and 668 transitions. [2024-11-08 19:22:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:22:54,654 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 108 [2024-11-08 19:22:54,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:54,657 INFO L225 Difference]: With dead ends: 480 [2024-11-08 19:22:54,660 INFO L226 Difference]: Without dead ends: 317 [2024-11-08 19:22:54,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:22:54,662 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 97 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:54,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 840 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:22:54,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-08 19:22:54,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 314. [2024-11-08 19:22:54,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 275 states have (on average 1.3381818181818181) internal successors, (368), 278 states have internal predecessors, (368), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 19:22:54,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 436 transitions. [2024-11-08 19:22:54,709 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 436 transitions. Word has length 108 [2024-11-08 19:22:54,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:54,710 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 436 transitions. [2024-11-08 19:22:54,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:22:54,710 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 436 transitions. [2024-11-08 19:22:54,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:22:54,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:54,715 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:54,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 19:22:54,716 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:54,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:54,716 INFO L85 PathProgramCache]: Analyzing trace with hash -880600980, now seen corresponding path program 1 times [2024-11-08 19:22:54,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:54,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875915193] [2024-11-08 19:22:54,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:54,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:55,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:22:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:55,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:22:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:55,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 19:22:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:55,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 19:22:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:55,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:22:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:55,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:22:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:55,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:22:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:55,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:22:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:55,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 19:22:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:55,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 19:22:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:55,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:22:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:55,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 19:22:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:55,128 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:22:55,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:55,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875915193] [2024-11-08 19:22:55,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875915193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:55,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:55,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:22:55,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337578796] [2024-11-08 19:22:55,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:55,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:22:55,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:55,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:22:55,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:22:55,132 INFO L87 Difference]: Start difference. First operand 314 states and 436 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:55,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:55,687 INFO L93 Difference]: Finished difference Result 776 states and 1080 transitions. [2024-11-08 19:22:55,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:22:55,688 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-08 19:22:55,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:55,692 INFO L225 Difference]: With dead ends: 776 [2024-11-08 19:22:55,693 INFO L226 Difference]: Without dead ends: 465 [2024-11-08 19:22:55,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:22:55,695 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 98 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:55,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 910 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:22:55,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-08 19:22:55,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 462. [2024-11-08 19:22:55,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 407 states have (on average 1.343980343980344) internal successors, (547), 412 states have internal predecessors, (547), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 43 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-08 19:22:55,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 643 transitions. [2024-11-08 19:22:55,747 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 643 transitions. Word has length 110 [2024-11-08 19:22:55,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:55,748 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 643 transitions. [2024-11-08 19:22:55,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:55,749 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 643 transitions. [2024-11-08 19:22:55,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:22:55,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:55,751 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:55,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 19:22:55,752 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:55,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:55,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1429647636, now seen corresponding path program 1 times [2024-11-08 19:22:55,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:55,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318956658] [2024-11-08 19:22:55,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:55,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:22:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:22:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 19:22:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 19:22:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:22:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:22:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:22:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:22:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 19:22:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 19:22:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:22:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 19:22:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:22:56,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:56,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318956658] [2024-11-08 19:22:56,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318956658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:56,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:56,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:22:56,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725307676] [2024-11-08 19:22:56,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:56,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:22:56,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:56,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:22:56,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:22:56,128 INFO L87 Difference]: Start difference. First operand 462 states and 643 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:56,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:56,581 INFO L93 Difference]: Finished difference Result 1054 states and 1466 transitions. [2024-11-08 19:22:56,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:22:56,582 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-08 19:22:56,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:56,588 INFO L225 Difference]: With dead ends: 1054 [2024-11-08 19:22:56,588 INFO L226 Difference]: Without dead ends: 595 [2024-11-08 19:22:56,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:22:56,590 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 88 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:56,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 891 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:22:56,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-08 19:22:56,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 592. [2024-11-08 19:22:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 521 states have (on average 1.3397312859884838) internal successors, (698), 528 states have internal predecessors, (698), 62 states have call successors, (62), 8 states have call predecessors, (62), 8 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-08 19:22:56,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 822 transitions. [2024-11-08 19:22:56,646 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 822 transitions. Word has length 110 [2024-11-08 19:22:56,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:56,647 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 822 transitions. [2024-11-08 19:22:56,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:56,647 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 822 transitions. [2024-11-08 19:22:56,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:22:56,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:56,650 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:56,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 19:22:56,650 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:56,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:56,651 INFO L85 PathProgramCache]: Analyzing trace with hash -2089364923, now seen corresponding path program 1 times [2024-11-08 19:22:56,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:56,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996023919] [2024-11-08 19:22:56,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:56,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:22:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:22:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 19:22:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 19:22:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:22:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:22:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:22:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:22:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 19:22:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 19:22:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:22:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 19:22:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:56,936 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:22:56,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:56,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996023919] [2024-11-08 19:22:56,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996023919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:56,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:56,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:22:56,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481960977] [2024-11-08 19:22:56,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:56,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:22:56,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:56,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:22:56,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:22:56,940 INFO L87 Difference]: Start difference. First operand 592 states and 822 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:57,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:57,197 INFO L93 Difference]: Finished difference Result 1214 states and 1679 transitions. [2024-11-08 19:22:57,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:22:57,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2024-11-08 19:22:57,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:57,201 INFO L225 Difference]: With dead ends: 1214 [2024-11-08 19:22:57,203 INFO L226 Difference]: Without dead ends: 625 [2024-11-08 19:22:57,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:22:57,207 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 88 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:57,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 563 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:22:57,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2024-11-08 19:22:57,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 483. [2024-11-08 19:22:57,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 424 states have (on average 1.3372641509433962) internal successors, (567), 429 states have internal predecessors, (567), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 45 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-08 19:22:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 667 transitions. [2024-11-08 19:22:57,264 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 667 transitions. Word has length 111 [2024-11-08 19:22:57,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:57,265 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 667 transitions. [2024-11-08 19:22:57,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:57,265 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 667 transitions. [2024-11-08 19:22:57,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:22:57,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:57,267 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:57,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 19:22:57,268 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:57,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:57,268 INFO L85 PathProgramCache]: Analyzing trace with hash 161761476, now seen corresponding path program 1 times [2024-11-08 19:22:57,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:57,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730021024] [2024-11-08 19:22:57,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:57,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:57,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:22:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:57,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:22:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:57,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 19:22:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:57,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 19:22:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:57,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:22:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:57,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:22:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:57,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:22:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:57,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:22:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:57,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 19:22:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:57,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 19:22:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:57,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:22:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:57,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 19:22:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:57,505 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:22:57,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:57,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730021024] [2024-11-08 19:22:57,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730021024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:57,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:57,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:22:57,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744343910] [2024-11-08 19:22:57,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:57,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:22:57,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:57,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:22:57,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:22:57,508 INFO L87 Difference]: Start difference. First operand 483 states and 667 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:57,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:57,741 INFO L93 Difference]: Finished difference Result 988 states and 1359 transitions. [2024-11-08 19:22:57,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:22:57,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2024-11-08 19:22:57,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:57,745 INFO L225 Difference]: With dead ends: 988 [2024-11-08 19:22:57,746 INFO L226 Difference]: Without dead ends: 508 [2024-11-08 19:22:57,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:22:57,748 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 85 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:57,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 545 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:22:57,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-11-08 19:22:57,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 375. [2024-11-08 19:22:57,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 328 states have (on average 1.3384146341463414) internal successors, (439), 331 states have internal predecessors, (439), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 35 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 19:22:57,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 515 transitions. [2024-11-08 19:22:57,788 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 515 transitions. Word has length 111 [2024-11-08 19:22:57,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:57,788 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 515 transitions. [2024-11-08 19:22:57,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:22:57,789 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 515 transitions. [2024-11-08 19:22:57,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-08 19:22:57,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:57,790 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:57,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 19:22:57,792 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:57,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:57,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1344784907, now seen corresponding path program 1 times [2024-11-08 19:22:57,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:57,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122409804] [2024-11-08 19:22:57,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:57,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:22:57,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1004458866] [2024-11-08 19:22:57,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:57,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:57,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:22:57,913 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:22:57,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 19:22:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:22:58,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:22:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:22:58,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:22:58,952 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:22:58,954 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:22:58,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 19:22:59,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-08 19:22:59,160 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:59,265 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:22:59,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:22:59 BoogieIcfgContainer [2024-11-08 19:22:59,269 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:22:59,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:22:59,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:22:59,274 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:22:59,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:22:40" (3/4) ... [2024-11-08 19:22:59,277 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:22:59,279 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:22:59,280 INFO L158 Benchmark]: Toolchain (without parser) took 19981.49ms. Allocated memory was 163.6MB in the beginning and 360.7MB in the end (delta: 197.1MB). Free memory was 134.0MB in the beginning and 305.2MB in the end (delta: -171.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-11-08 19:22:59,280 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory was 72.8MB in the beginning and 72.6MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:22:59,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.33ms. Allocated memory is still 163.6MB. Free memory was 133.6MB in the beginning and 117.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:22:59,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.72ms. Allocated memory is still 163.6MB. Free memory was 117.8MB in the beginning and 114.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:22:59,281 INFO L158 Benchmark]: Boogie Preprocessor took 99.27ms. Allocated memory is still 163.6MB. Free memory was 114.2MB in the beginning and 109.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:22:59,281 INFO L158 Benchmark]: RCFGBuilder took 1086.20ms. Allocated memory is still 163.6MB. Free memory was 109.4MB in the beginning and 129.8MB in the end (delta: -20.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 19:22:59,282 INFO L158 Benchmark]: TraceAbstraction took 18291.59ms. Allocated memory was 163.6MB in the beginning and 360.7MB in the end (delta: 197.1MB). Free memory was 129.0MB in the beginning and 306.3MB in the end (delta: -177.3MB). Peak memory consumption was 217.1MB. Max. memory is 16.1GB. [2024-11-08 19:22:59,282 INFO L158 Benchmark]: Witness Printer took 9.73ms. Allocated memory is still 360.7MB. Free memory was 306.3MB in the beginning and 305.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:22:59,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory was 72.8MB in the beginning and 72.6MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.33ms. Allocated memory is still 163.6MB. Free memory was 133.6MB in the beginning and 117.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.72ms. Allocated memory is still 163.6MB. Free memory was 117.8MB in the beginning and 114.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.27ms. Allocated memory is still 163.6MB. Free memory was 114.2MB in the beginning and 109.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1086.20ms. Allocated memory is still 163.6MB. Free memory was 109.4MB in the beginning and 129.8MB in the end (delta: -20.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 18291.59ms. Allocated memory was 163.6MB in the beginning and 360.7MB in the end (delta: 197.1MB). Free memory was 129.0MB in the beginning and 306.3MB in the end (delta: -177.3MB). Peak memory consumption was 217.1MB. Max. memory is 16.1GB. * Witness Printer took 9.73ms. Allocated memory is still 360.7MB. Free memory was 306.3MB in the beginning and 305.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of shiftRight at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25-L27] double double_Array_0[1] = { 25.875 }; [L25-L27] double double_Array_0[1] = { 25.875 }; [L28-L30] float float_Array_0[2] = { 0.9, 15.125 }; [L28-L30] float float_Array_0[2] = { 0.9, 15.125 }; [L28-L30] float float_Array_0[2] = { 0.9, 15.125 }; [L31-L33] signed long int signed_long_int_Array_0[2] = { -4, 50 }; [L31-L33] signed long int signed_long_int_Array_0[2] = { -4, 50 }; [L31-L33] signed long int signed_long_int_Array_0[2] = { -4, 50 }; [L34-L36] signed short int signed_short_int_Array_0[3] = { 256, -64, 2 }; [L34-L36] signed short int signed_short_int_Array_0[3] = { 256, -64, 2 }; [L34-L36] signed short int signed_short_int_Array_0[3] = { 256, -64, 2 }; [L34-L36] signed short int signed_short_int_Array_0[3] = { 256, -64, 2 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 256, 50, 128 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 256, 50, 128 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 256, 50, 128 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 256, 50, 128 }; [L40] signed long int last_1_signed_long_int_Array_0_1_ = 50; [L41] signed short int last_1_signed_short_int_Array_0_2_ = 2; [L42] unsigned short int last_1_unsigned_short_int_Array_0_2_ = 128; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] CALL updateLastVariables() [L95] EXPR signed_long_int_Array_0[1] [L95] last_1_signed_long_int_Array_0_1_ = signed_long_int_Array_0[1] [L96] EXPR signed_short_int_Array_0[2] [L96] last_1_signed_short_int_Array_0_2_ = signed_short_int_Array_0[2] [L97] EXPR unsigned_short_int_Array_0[2] [L97] last_1_unsigned_short_int_Array_0_2_ = unsigned_short_int_Array_0[2] [L107] RET updateLastVariables() [L108] CALL updateVariables() [L75] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] float_Array_0[0] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[0] [L79] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L79] EXPR float_Array_0[0] [L79] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L81] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] RET assume_abort_if_not(signed_long_int_Array_0[0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] CALL assume_abort_if_not(signed_long_int_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] RET assume_abort_if_not(signed_long_int_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L85] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] signed_short_int_Array_0[1] = __VERIFIER_nondet_short() [L88] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] CALL assume_abort_if_not(signed_short_int_Array_0[1] >= -16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] RET assume_abort_if_not(signed_short_int_Array_0[1] >= -16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] CALL assume_abort_if_not(signed_short_int_Array_0[1] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] RET assume_abort_if_not(signed_short_int_Array_0[1] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L90] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L91] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L108] RET updateVariables() [L109] CALL step() [L46] COND TRUE ! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_) [L47] EXPR signed_short_int_Array_0[1] [L47] EXPR signed_short_int_Array_0[0] [L47] signed_short_int_Array_0[2] = (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]) [L49] EXPR signed_short_int_Array_0[1] [L49] signed long int stepLocal_0 = 1 * signed_short_int_Array_0[1]; [L50] EXPR signed_short_int_Array_0[2] [L50] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L50] EXPR signed_short_int_Array_0[2] >> signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, stepLocal_0=-63, unsigned_short_int_Array_0={9:0}] [L50] COND TRUE (signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > stepLocal_0 [L51] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L51] EXPR (((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0) [L51] EXPR unsigned_short_int_Array_0[0] [L51] EXPR (((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L51] unsigned_short_int_Array_0[2] = (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))) [L55] EXPR float_Array_0[0] [L55] float_Array_0[1] = float_Array_0[0] [L56] EXPR float_Array_0[0] [L56] double_Array_0[0] = float_Array_0[0] [L57] EXPR unsigned_short_int_Array_0[0] [L57] unsigned_short_int_Array_0[1] = unsigned_short_int_Array_0[0] [L58] EXPR signed_short_int_Array_0[1] [L58] EXPR signed_long_int_Array_0[0] [L58] signed long int stepLocal_2 = signed_short_int_Array_0[1] / signed_long_int_Array_0[0]; [L59] EXPR unsigned_short_int_Array_0[0] [L59] unsigned short int stepLocal_1 = unsigned_short_int_Array_0[0]; [L60] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L60] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L63] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L63] COND FALSE !(unsigned_short_int_Array_0[1] > stepLocal_2) [L70] EXPR unsigned_short_int_Array_0[2] [L70] EXPR signed_short_int_Array_0[0] [L70] signed_long_int_Array_0[1] = (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0]) [L109] RET step() [L110] CALL, EXPR property() [L100] EXPR (! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1 [L100] EXPR signed_short_int_Array_0[2] [L100] EXPR signed_short_int_Array_0[1] [L100] EXPR signed_short_int_Array_0[0] [L100] EXPR (! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) [L100] EXPR signed_short_int_Array_0[2] [L100] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR signed_short_int_Array_0[2] >> signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])) [L100] EXPR unsigned_short_int_Array_0[2] [L100] EXPR unsigned_short_int_Array_0[0] [L100] EXPR ((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR (((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0]))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR (((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0]))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0])))))) && (float_Array_0[1] == ((float) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0])))))) && (float_Array_0[1] == ((float) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR (((((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0])))))) && (float_Array_0[1] == ((float) float_Array_0[0]))) && (double_Array_0[0] == ((double) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR (((((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0])))))) && (float_Array_0[1] == ((float) float_Array_0[0]))) && (double_Array_0[0] == ((double) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((((((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0])))))) && (float_Array_0[1] == ((float) float_Array_0[0]))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((((((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0])))))) && (float_Array_0[1] == ((float) float_Array_0[0]))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100-L101] return ((((((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0])))))) && (float_Array_0[1] == ((float) float_Array_0[0]))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.1s, OverallIterations: 11, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 876 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 875 mSDsluCounter, 5691 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4151 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1217 IncrementalHoareTripleChecker+Invalid, 1255 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 1540 mSDtfsCounter, 1217 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 535 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=592occurred in iteration=8, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 350 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 1398 NumberOfCodeBlocks, 1398 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1266 ConstructedInterpolants, 0 QuantifiedInterpolants, 6801 SizeOfPredicates, 5 NumberOfNonLiveVariables, 406 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 3150/3168 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:22:59,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/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_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/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 60e0d367a188d63fa8b46fcc4be9e9d24b19690e82d361011ef9ebf2c61f53ca --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:23:02,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:23:02,154 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 19:23:02,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:23:02,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:23:02,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:23:02,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:23:02,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:23:02,204 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:23:02,205 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:23:02,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:23:02,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:23:02,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:23:02,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:23:02,210 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:23:02,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:23:02,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:23:02,212 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:23:02,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:23:02,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:23:02,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:23:02,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:23:02,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:23:02,218 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:23:02,218 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:23:02,218 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:23:02,219 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:23:02,219 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:23:02,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:23:02,219 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:23:02,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:23:02,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:23:02,220 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:23:02,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:23:02,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:23:02,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:23:02,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:23:02,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:23:02,234 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:23:02,234 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:23:02,234 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:23:02,237 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:23:02,237 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:23:02,237 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:23:02,238 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_5e551f73-fd0a-470d-a835-91deffe8c01c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60e0d367a188d63fa8b46fcc4be9e9d24b19690e82d361011ef9ebf2c61f53ca [2024-11-08 19:23:02,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:23:02,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:23:02,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:23:02,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:23:02,749 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:23:02,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i Unable to find full path for "g++" [2024-11-08 19:23:05,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:23:05,520 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:23:05,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i [2024-11-08 19:23:05,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/data/50decf35e/472b20d762424a2499978ce6a8b5b860/FLAGa6f7c9411 [2024-11-08 19:23:05,800 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/data/50decf35e/472b20d762424a2499978ce6a8b5b860 [2024-11-08 19:23:05,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:23:05,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:23:05,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:23:05,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:23:05,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:23:05,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:23:05" (1/1) ... [2024-11-08 19:23:05,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fde5749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:05, skipping insertion in model container [2024-11-08 19:23:05,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:23:05" (1/1) ... [2024-11-08 19:23:05,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:23:06,121 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_5e551f73-fd0a-470d-a835-91deffe8c01c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i[916,929] [2024-11-08 19:23:06,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:23:06,290 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:23:06,327 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_5e551f73-fd0a-470d-a835-91deffe8c01c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i[916,929] [2024-11-08 19:23:06,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:23:06,466 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:23:06,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:06 WrapperNode [2024-11-08 19:23:06,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:23:06,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:23:06,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:23:06,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:23:06,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:06" (1/1) ... [2024-11-08 19:23:06,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:06" (1/1) ... [2024-11-08 19:23:06,579 INFO L138 Inliner]: procedures = 39, calls = 135, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 391 [2024-11-08 19:23:06,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:23:06,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:23:06,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:23:06,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:23:06,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:06" (1/1) ... [2024-11-08 19:23:06,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:06" (1/1) ... [2024-11-08 19:23:06,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:06" (1/1) ... [2024-11-08 19:23:06,669 INFO L175 MemorySlicer]: Split 106 memory accesses to 7 slices as follows [2, 6, 3, 13, 17, 30, 35]. 33 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 2, 2, 3, 3]. The 16 writes are split as follows [0, 1, 1, 2, 5, 3, 4]. [2024-11-08 19:23:06,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:06" (1/1) ... [2024-11-08 19:23:06,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:06" (1/1) ... [2024-11-08 19:23:06,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:06" (1/1) ... [2024-11-08 19:23:06,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:06" (1/1) ... [2024-11-08 19:23:06,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:06" (1/1) ... [2024-11-08 19:23:06,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:06" (1/1) ... [2024-11-08 19:23:06,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:23:06,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:23:06,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:23:06,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:23:06,767 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:06" (1/1) ... [2024-11-08 19:23:06,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:23:06,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:23:06,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:23:06,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:23:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:23:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-08 19:23:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-08 19:23:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-08 19:23:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-08 19:23:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-08 19:23:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-08 19:23:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-08 19:23:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-08 19:23:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-08 19:23:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-08 19:23:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-08 19:23:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-08 19:23:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-08 19:23:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-08 19:23:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 19:23:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 19:23:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-08 19:23:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-08 19:23:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-08 19:23:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-08 19:23:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-08 19:23:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-08 19:23:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-08 19:23:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-08 19:23:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-08 19:23:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-08 19:23:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-08 19:23:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-08 19:23:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:23:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 19:23:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 19:23:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-08 19:23:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-08 19:23:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-08 19:23:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-08 19:23:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-08 19:23:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-08 19:23:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-08 19:23:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-08 19:23:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-08 19:23:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-08 19:23:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-08 19:23:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-08 19:23:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-08 19:23:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-08 19:23:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-08 19:23:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-08 19:23:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-08 19:23:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-08 19:23:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-08 19:23:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-08 19:23:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-08 19:23:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-08 19:23:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-08 19:23:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-08 19:23:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-08 19:23:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 19:23:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 19:23:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-08 19:23:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-08 19:23:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-08 19:23:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-08 19:23:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-08 19:23:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-08 19:23:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-08 19:23:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-08 19:23:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-08 19:23:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-08 19:23:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-08 19:23:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-08 19:23:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-08 19:23:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-08 19:23:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-08 19:23:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-08 19:23:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-08 19:23:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-08 19:23:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-08 19:23:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-08 19:23:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-08 19:23:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-08 19:23:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-08 19:23:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-08 19:23:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-08 19:23:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-08 19:23:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:23:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:23:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:23:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:23:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 19:23:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 19:23:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-08 19:23:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-08 19:23:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-08 19:23:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-08 19:23:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-08 19:23:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-08 19:23:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-08 19:23:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-08 19:23:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-08 19:23:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-08 19:23:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-08 19:23:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-08 19:23:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 19:23:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 19:23:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-08 19:23:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-08 19:23:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-08 19:23:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-08 19:23:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-08 19:23:07,271 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:23:07,273 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:23:08,215 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-11-08 19:23:08,216 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:23:08,242 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:23:08,246 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:23:08,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:23:08 BoogieIcfgContainer [2024-11-08 19:23:08,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:23:08,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:23:08,251 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:23:08,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:23:08,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:23:05" (1/3) ... [2024-11-08 19:23:08,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@503daddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:23:08, skipping insertion in model container [2024-11-08 19:23:08,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:06" (2/3) ... [2024-11-08 19:23:08,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@503daddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:23:08, skipping insertion in model container [2024-11-08 19:23:08,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:23:08" (3/3) ... [2024-11-08 19:23:08,265 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-67.i [2024-11-08 19:23:08,288 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:23:08,289 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:23:08,364 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:23:08,372 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;@519cba3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:23:08,373 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:23:08,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 74 states have internal predecessors, (102), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 19:23:08,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 19:23:08,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:23:08,397 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:23:08,397 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:23:08,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:23:08,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1825584446, now seen corresponding path program 1 times [2024-11-08 19:23:08,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:23:08,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170607577] [2024-11-08 19:23:08,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:23:08,423 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:08,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:23:08,428 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:23:08,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 19:23:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:23:09,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:23:09,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:23:09,072 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-08 19:23:09,072 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:23:09,073 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:23:09,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1170607577] [2024-11-08 19:23:09,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1170607577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:23:09,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:23:09,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:23:09,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584213859] [2024-11-08 19:23:09,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:23:09,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:23:09,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:23:09,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:23:09,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:23:09,113 INFO L87 Difference]: Start difference. First operand has 88 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 74 states have internal predecessors, (102), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:23:09,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:23:09,147 INFO L93 Difference]: Finished difference Result 169 states and 258 transitions. [2024-11-08 19:23:09,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:23:09,150 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2024-11-08 19:23:09,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:23:09,160 INFO L225 Difference]: With dead ends: 169 [2024-11-08 19:23:09,160 INFO L226 Difference]: Without dead ends: 84 [2024-11-08 19:23:09,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 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 19:23:09,168 INFO L432 NwaCegarLoop]: 119 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, 119 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 19:23:09,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:23:09,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-08 19:23:09,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-08 19:23:09,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 70 states have internal predecessors, (95), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 19:23:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2024-11-08 19:23:09,233 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 103 [2024-11-08 19:23:09,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:23:09,233 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2024-11-08 19:23:09,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:23:09,235 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2024-11-08 19:23:09,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 19:23:09,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:23:09,240 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:23:09,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-08 19:23:09,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:09,441 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:23:09,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:23:09,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1107717038, now seen corresponding path program 1 times [2024-11-08 19:23:09,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:23:09,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1374603567] [2024-11-08 19:23:09,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:23:09,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:09,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:23:09,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:23:09,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 19:23:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:23:09,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:23:09,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:23:09,999 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:23:10,003 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:23:10,003 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:23:10,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1374603567] [2024-11-08 19:23:10,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1374603567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:23:10,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:23:10,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:23:10,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293327782] [2024-11-08 19:23:10,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:23:10,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:23:10,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:23:10,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:23:10,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:23:10,012 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:10,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:23:10,142 INFO L93 Difference]: Finished difference Result 170 states and 242 transitions. [2024-11-08 19:23:10,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:23:10,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-08 19:23:10,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:23:10,148 INFO L225 Difference]: With dead ends: 170 [2024-11-08 19:23:10,150 INFO L226 Difference]: Without dead ends: 89 [2024-11-08 19:23:10,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:23:10,153 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:23:10,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 440 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:23:10,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-08 19:23:10,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 88. [2024-11-08 19:23:10,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 74 states have (on average 1.337837837837838) internal successors, (99), 74 states have internal predecessors, (99), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 19:23:10,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 123 transitions. [2024-11-08 19:23:10,175 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 123 transitions. Word has length 103 [2024-11-08 19:23:10,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:23:10,178 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 123 transitions. [2024-11-08 19:23:10,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:10,180 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 123 transitions. [2024-11-08 19:23:10,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 19:23:10,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:23:10,184 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:23:10,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-08 19:23:10,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:10,385 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:23:10,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:23:10,386 INFO L85 PathProgramCache]: Analyzing trace with hash -427658668, now seen corresponding path program 1 times [2024-11-08 19:23:10,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:23:10,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273748696] [2024-11-08 19:23:10,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:23:10,388 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:10,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:23:10,392 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:23:10,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 19:23:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:23:10,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:23:10,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:23:10,925 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:23:10,927 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:23:10,928 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:23:10,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1273748696] [2024-11-08 19:23:10,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1273748696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:23:10,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:23:10,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:23:10,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950150095] [2024-11-08 19:23:10,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:23:10,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:23:10,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:23:10,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:23:10,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:23:10,934 INFO L87 Difference]: Start difference. First operand 88 states and 123 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:11,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:23:11,214 INFO L93 Difference]: Finished difference Result 176 states and 247 transitions. [2024-11-08 19:23:11,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:23:11,214 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-08 19:23:11,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:23:11,216 INFO L225 Difference]: With dead ends: 176 [2024-11-08 19:23:11,217 INFO L226 Difference]: Without dead ends: 91 [2024-11-08 19:23:11,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:23:11,219 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:23:11,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 540 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:23:11,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-08 19:23:11,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 90. [2024-11-08 19:23:11,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 76 states have (on average 1.3289473684210527) internal successors, (101), 76 states have internal predecessors, (101), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 19:23:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 125 transitions. [2024-11-08 19:23:11,230 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 125 transitions. Word has length 103 [2024-11-08 19:23:11,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:23:11,235 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 125 transitions. [2024-11-08 19:23:11,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:11,236 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 125 transitions. [2024-11-08 19:23:11,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 19:23:11,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:23:11,238 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:23:11,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-08 19:23:11,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:11,439 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:23:11,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:23:11,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1347348694, now seen corresponding path program 1 times [2024-11-08 19:23:11,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:23:11,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596967968] [2024-11-08 19:23:11,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:23:11,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:11,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:23:11,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:23:11,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-08 19:23:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:23:11,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:23:11,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:23:11,971 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:23:11,971 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:23:11,972 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:23:11,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596967968] [2024-11-08 19:23:11,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596967968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:23:11,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:23:11,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:23:11,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450605852] [2024-11-08 19:23:11,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:23:11,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:23:11,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:23:11,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:23:11,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:23:11,978 INFO L87 Difference]: Start difference. First operand 90 states and 125 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:12,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:23:12,232 INFO L93 Difference]: Finished difference Result 180 states and 251 transitions. [2024-11-08 19:23:12,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:23:12,233 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-08 19:23:12,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:23:12,235 INFO L225 Difference]: With dead ends: 180 [2024-11-08 19:23:12,235 INFO L226 Difference]: Without dead ends: 93 [2024-11-08 19:23:12,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:23:12,237 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 1 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:23:12,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 641 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:23:12,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-08 19:23:12,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2024-11-08 19:23:12,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 78 states have (on average 1.3205128205128205) internal successors, (103), 78 states have internal predecessors, (103), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 19:23:12,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 127 transitions. [2024-11-08 19:23:12,249 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 127 transitions. Word has length 103 [2024-11-08 19:23:12,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:23:12,250 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 127 transitions. [2024-11-08 19:23:12,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:12,251 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 127 transitions. [2024-11-08 19:23:12,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 19:23:12,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:23:12,253 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:23:12,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-08 19:23:12,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:12,454 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:23:12,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:23:12,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1349195736, now seen corresponding path program 1 times [2024-11-08 19:23:12,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:23:12,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [612659841] [2024-11-08 19:23:12,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:23:12,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:12,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:23:12,459 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:23:12,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-08 19:23:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:23:12,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 19:23:12,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:23:12,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:23:13,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2024-11-08 19:23:14,977 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:23:14,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 58 [2024-11-08 19:23:16,010 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:23:16,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 169 treesize of output 83 [2024-11-08 19:23:16,215 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 170 proven. 24 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 19:23:16,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:23:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:23:16,979 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:23:16,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [612659841] [2024-11-08 19:23:16,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [612659841] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:23:16,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:23:16,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [24] total 28 [2024-11-08 19:23:16,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476761057] [2024-11-08 19:23:16,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:23:16,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:23:16,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:23:16,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:23:16,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=628, Unknown=0, NotChecked=0, Total=756 [2024-11-08 19:23:16,983 INFO L87 Difference]: Start difference. First operand 92 states and 127 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:18,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:23:18,017 INFO L93 Difference]: Finished difference Result 279 states and 386 transitions. [2024-11-08 19:23:18,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:23:18,022 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-08 19:23:18,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:23:18,023 INFO L225 Difference]: With dead ends: 279 [2024-11-08 19:23:18,024 INFO L226 Difference]: Without dead ends: 190 [2024-11-08 19:23:18,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=140, Invalid=730, Unknown=0, NotChecked=0, Total=870 [2024-11-08 19:23:18,030 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 195 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:23:18,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 613 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 19:23:18,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-08 19:23:18,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 164. [2024-11-08 19:23:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 143 states have (on average 1.3356643356643356) internal successors, (191), 144 states have internal predecessors, (191), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 19:23:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 227 transitions. [2024-11-08 19:23:18,063 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 227 transitions. Word has length 103 [2024-11-08 19:23:18,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:23:18,063 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 227 transitions. [2024-11-08 19:23:18,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:18,064 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 227 transitions. [2024-11-08 19:23:18,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 19:23:18,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:23:18,070 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:23:18,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-08 19:23:18,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:18,271 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:23:18,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:23:18,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1568050454, now seen corresponding path program 1 times [2024-11-08 19:23:18,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:23:18,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068621851] [2024-11-08 19:23:18,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:23:18,272 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:18,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:23:18,275 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:23:18,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-08 19:23:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:23:18,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:23:18,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:23:18,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-08 19:23:18,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-08 19:23:19,442 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:23:19,442 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:23:19,443 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:23:19,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068621851] [2024-11-08 19:23:19,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2068621851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:23:19,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:23:19,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:23:19,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988343680] [2024-11-08 19:23:19,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:23:19,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:23:19,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:23:19,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:23:19,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:23:19,448 INFO L87 Difference]: Start difference. First operand 164 states and 227 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:19,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:23:19,928 INFO L93 Difference]: Finished difference Result 417 states and 576 transitions. [2024-11-08 19:23:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:23:19,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-08 19:23:19,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:23:19,934 INFO L225 Difference]: With dead ends: 417 [2024-11-08 19:23:19,934 INFO L226 Difference]: Without dead ends: 256 [2024-11-08 19:23:19,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:23:19,937 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 93 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:23:19,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 301 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:23:19,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-08 19:23:19,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 219. [2024-11-08 19:23:19,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 184 states have (on average 1.315217391304348) internal successors, (242), 185 states have internal predecessors, (242), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-08 19:23:19,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 302 transitions. [2024-11-08 19:23:19,991 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 302 transitions. Word has length 103 [2024-11-08 19:23:19,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:23:19,992 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 302 transitions. [2024-11-08 19:23:19,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 302 transitions. [2024-11-08 19:23:19,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 19:23:19,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:23:19,996 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:23:20,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-08 19:23:20,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:20,197 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:23:20,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:23:20,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1817280662, now seen corresponding path program 1 times [2024-11-08 19:23:20,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:23:20,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1658093268] [2024-11-08 19:23:20,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:23:20,198 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:20,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:23:20,199 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:23:20,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-08 19:23:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:23:20,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 19:23:20,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:23:20,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:23:21,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 19:23:22,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2024-11-08 19:23:22,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 28 [2024-11-08 19:23:22,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:23:22,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 38 [2024-11-08 19:23:22,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2024-11-08 19:23:22,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-11-08 19:23:25,605 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:23:25,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 96 treesize of output 50 [2024-11-08 19:23:26,066 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 197 proven. 15 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 19:23:26,066 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:23:27,791 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:23:27,792 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:23:27,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1658093268] [2024-11-08 19:23:27,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1658093268] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:23:27,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:23:27,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [26] total 31 [2024-11-08 19:23:27,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426390758] [2024-11-08 19:23:27,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:23:27,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:23:27,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:23:27,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:23:27,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=802, Unknown=0, NotChecked=0, Total=930 [2024-11-08 19:23:27,795 INFO L87 Difference]: Start difference. First operand 219 states and 302 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:29,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:23:29,969 INFO L93 Difference]: Finished difference Result 547 states and 755 transitions. [2024-11-08 19:23:29,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:23:29,970 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 105 [2024-11-08 19:23:29,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:23:29,978 INFO L225 Difference]: With dead ends: 547 [2024-11-08 19:23:29,978 INFO L226 Difference]: Without dead ends: 386 [2024-11-08 19:23:29,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=149, Invalid=973, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 19:23:29,980 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 273 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:23:29,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 781 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 19:23:29,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-08 19:23:30,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 383. [2024-11-08 19:23:30,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 329 states have (on average 1.3221884498480243) internal successors, (435), 332 states have internal predecessors, (435), 46 states have call successors, (46), 7 states have call predecessors, (46), 7 states have return successors, (46), 43 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-08 19:23:30,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 527 transitions. [2024-11-08 19:23:30,044 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 527 transitions. Word has length 105 [2024-11-08 19:23:30,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:23:30,045 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 527 transitions. [2024-11-08 19:23:30,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:30,046 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 527 transitions. [2024-11-08 19:23:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 19:23:30,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:23:30,050 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:23:30,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-08 19:23:30,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:30,251 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:23:30,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:23:30,252 INFO L85 PathProgramCache]: Analyzing trace with hash 817183855, now seen corresponding path program 1 times [2024-11-08 19:23:30,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:23:30,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808735228] [2024-11-08 19:23:30,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:23:30,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:30,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:23:30,254 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:23:30,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-08 19:23:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:23:30,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 19:23:30,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:23:30,943 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:23:30,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 38 [2024-11-08 19:23:31,331 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:23:31,332 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:23:31,332 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:23:31,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808735228] [2024-11-08 19:23:31,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808735228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:23:31,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:23:31,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:23:31,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131200028] [2024-11-08 19:23:31,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:23:31,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:23:31,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:23:31,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:23:31,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:23:31,335 INFO L87 Difference]: Start difference. First operand 383 states and 527 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:34,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:23:34,142 INFO L93 Difference]: Finished difference Result 704 states and 968 transitions. [2024-11-08 19:23:34,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:23:34,144 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2024-11-08 19:23:34,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:23:34,148 INFO L225 Difference]: With dead ends: 704 [2024-11-08 19:23:34,148 INFO L226 Difference]: Without dead ends: 393 [2024-11-08 19:23:34,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:23:34,151 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 85 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:23:34,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 767 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-08 19:23:34,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-08 19:23:34,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 331. [2024-11-08 19:23:34,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 283 states have (on average 1.3215547703180213) internal successors, (374), 285 states have internal predecessors, (374), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 19:23:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 454 transitions. [2024-11-08 19:23:34,199 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 454 transitions. Word has length 107 [2024-11-08 19:23:34,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:23:34,200 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 454 transitions. [2024-11-08 19:23:34,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:34,200 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 454 transitions. [2024-11-08 19:23:34,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 19:23:34,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:23:34,202 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:23:34,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-08 19:23:34,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:34,403 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:23:34,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:23:34,403 INFO L85 PathProgramCache]: Analyzing trace with hash -832375057, now seen corresponding path program 1 times [2024-11-08 19:23:34,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:23:34,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661374682] [2024-11-08 19:23:34,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:23:34,404 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:34,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:23:34,405 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:23:34,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-08 19:23:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:23:34,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:23:34,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:23:34,931 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:23:34,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 24 [2024-11-08 19:23:35,235 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:23:35,235 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:23:35,235 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:23:35,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661374682] [2024-11-08 19:23:35,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661374682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:23:35,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:23:35,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:23:35,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651785072] [2024-11-08 19:23:35,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:23:35,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:23:35,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:23:35,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:23:35,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:23:35,237 INFO L87 Difference]: Start difference. First operand 331 states and 454 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:37,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:23:37,497 INFO L93 Difference]: Finished difference Result 596 states and 816 transitions. [2024-11-08 19:23:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:23:37,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2024-11-08 19:23:37,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:23:37,501 INFO L225 Difference]: With dead ends: 596 [2024-11-08 19:23:37,501 INFO L226 Difference]: Without dead ends: 337 [2024-11-08 19:23:37,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:23:37,503 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 84 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:23:37,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 523 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 19:23:37,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-08 19:23:37,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 279. [2024-11-08 19:23:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 237 states have (on average 1.3164556962025316) internal successors, (312), 238 states have internal predecessors, (312), 34 states have call successors, (34), 7 states have call predecessors, (34), 7 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 19:23:37,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 380 transitions. [2024-11-08 19:23:37,535 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 380 transitions. Word has length 107 [2024-11-08 19:23:37,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:23:37,536 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 380 transitions. [2024-11-08 19:23:37,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:37,536 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 380 transitions. [2024-11-08 19:23:37,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 19:23:37,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:23:37,538 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:23:37,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-08 19:23:37,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:37,739 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:23:37,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:23:37,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1595675060, now seen corresponding path program 1 times [2024-11-08 19:23:37,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:23:37,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691516580] [2024-11-08 19:23:37,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:23:37,740 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:37,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:23:37,742 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:23:37,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-08 19:23:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:23:38,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 19:23:38,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:23:38,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:23:38,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-11-08 19:23:38,315 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:23:38,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2024-11-08 19:23:38,719 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:23:38,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 32 [2024-11-08 19:23:38,805 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:23:38,806 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:23:38,806 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:23:38,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [691516580] [2024-11-08 19:23:38,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [691516580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:23:38,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:23:38,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 19:23:38,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182991747] [2024-11-08 19:23:38,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:23:38,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:23:38,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:23:38,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:23:38,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:23:38,809 INFO L87 Difference]: Start difference. First operand 279 states and 380 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:40,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:23:40,220 INFO L93 Difference]: Finished difference Result 287 states and 387 transitions. [2024-11-08 19:23:40,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:23:40,221 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-08 19:23:40,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:23:40,223 INFO L225 Difference]: With dead ends: 287 [2024-11-08 19:23:40,224 INFO L226 Difference]: Without dead ends: 285 [2024-11-08 19:23:40,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:23:40,225 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 152 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:23:40,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 870 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 19:23:40,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-08 19:23:40,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 282. [2024-11-08 19:23:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 240 states have (on average 1.3125) internal successors, (315), 241 states have internal predecessors, (315), 34 states have call successors, (34), 7 states have call predecessors, (34), 7 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 19:23:40,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 383 transitions. [2024-11-08 19:23:40,267 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 383 transitions. Word has length 109 [2024-11-08 19:23:40,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:23:40,267 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 383 transitions. [2024-11-08 19:23:40,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:23:40,268 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 383 transitions. [2024-11-08 19:23:40,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 19:23:40,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:23:40,272 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:23:40,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-08 19:23:40,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:40,476 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:23:40,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:23:40,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1597522102, now seen corresponding path program 1 times [2024-11-08 19:23:40,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:23:40,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526783527] [2024-11-08 19:23:40,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:23:40,477 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:40,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:23:40,479 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:23:40,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-08 19:23:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:23:41,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 19:23:41,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:23:41,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:23:42,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-11-08 19:23:43,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 19:23:49,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:23:49,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 86 [2024-11-08 19:23:49,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 107 [2024-11-08 19:23:49,698 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-08 19:23:49,698 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:23:49,698 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:23:49,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526783527] [2024-11-08 19:23:49,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1526783527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:23:49,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:23:49,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 19:23:49,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753450210] [2024-11-08 19:23:49,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:23:49,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:23:49,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:23:49,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:23:49,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:23:49,702 INFO L87 Difference]: Start difference. First operand 282 states and 383 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:23:53,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:23:53,531 INFO L93 Difference]: Finished difference Result 764 states and 1033 transitions. [2024-11-08 19:23:53,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 19:23:53,536 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-11-08 19:23:53,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:23:53,540 INFO L225 Difference]: With dead ends: 764 [2024-11-08 19:23:53,540 INFO L226 Difference]: Without dead ends: 554 [2024-11-08 19:23:53,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:23:53,542 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 168 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:23:53,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 780 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 19:23:53,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2024-11-08 19:23:53,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 550. [2024-11-08 19:23:53,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 467 states have (on average 1.3040685224839401) internal successors, (609), 471 states have internal predecessors, (609), 66 states have call successors, (66), 16 states have call predecessors, (66), 16 states have return successors, (66), 62 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-08 19:23:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 741 transitions. [2024-11-08 19:23:53,609 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 741 transitions. Word has length 109 [2024-11-08 19:23:53,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:23:53,609 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 741 transitions. [2024-11-08 19:23:53,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:23:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 741 transitions. [2024-11-08 19:23:53,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 19:23:53,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:23:53,612 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:23:53,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-11-08 19:23:53,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:53,813 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:23:53,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:23:53,813 INFO L85 PathProgramCache]: Analyzing trace with hash -922437832, now seen corresponding path program 1 times [2024-11-08 19:23:53,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:23:53,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798389848] [2024-11-08 19:23:53,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:23:53,814 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:23:53,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:23:53,817 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:23:53,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-08 19:23:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:23:54,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:23:54,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:23:54,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:23:55,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 65 [2024-11-08 19:23:55,731 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:23:55,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 77 [2024-11-08 19:23:55,814 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-08 19:23:55,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:23:56,159 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:23:56,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798389848] [2024-11-08 19:23:56,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798389848] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:23:56,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255622210] [2024-11-08 19:23:56,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:23:56,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:23:56,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:23:56,163 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:23:56,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-08 19:23:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:23:56,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 19:23:56,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:23:57,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 65 [2024-11-08 19:23:57,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:23:57,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 77 [2024-11-08 19:23:57,970 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-08 19:23:57,970 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:23:58,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255622210] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:23:58,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:23:58,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2024-11-08 19:23:58,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448932556] [2024-11-08 19:23:58,190 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:23:58,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:23:58,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:23:58,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:23:58,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:23:58,191 INFO L87 Difference]: Start difference. First operand 550 states and 741 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:23:59,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:23:59,978 INFO L93 Difference]: Finished difference Result 972 states and 1309 transitions. [2024-11-08 19:23:59,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 19:23:59,980 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-11-08 19:23:59,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:23:59,984 INFO L225 Difference]: With dead ends: 972 [2024-11-08 19:23:59,984 INFO L226 Difference]: Without dead ends: 554 [2024-11-08 19:23:59,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 267 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:23:59,987 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 288 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:23:59,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 753 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 19:23:59,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2024-11-08 19:24:00,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 550. [2024-11-08 19:24:00,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 467 states have (on average 1.2997858672376874) internal successors, (607), 471 states have internal predecessors, (607), 66 states have call successors, (66), 16 states have call predecessors, (66), 16 states have return successors, (66), 62 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-08 19:24:00,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 739 transitions. [2024-11-08 19:24:00,058 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 739 transitions. Word has length 109 [2024-11-08 19:24:00,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:24:00,058 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 739 transitions. [2024-11-08 19:24:00,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:24:00,059 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 739 transitions. [2024-11-08 19:24:00,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 19:24:00,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:24:00,061 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:24:00,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-08 19:24:00,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-08 19:24:00,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:24:00,462 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:24:00,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:00,462 INFO L85 PathProgramCache]: Analyzing trace with hash -242379462, now seen corresponding path program 1 times [2024-11-08 19:24:00,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:24:00,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852232159] [2024-11-08 19:24:00,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:00,463 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:24:00,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:24:00,464 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:24:00,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-08 19:24:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:00,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 19:24:00,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:24:00,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2024-11-08 19:24:01,057 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:24:01,057 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:24:01,057 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:24:01,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852232159] [2024-11-08 19:24:01,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1852232159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:24:01,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:24:01,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:24:01,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529455451] [2024-11-08 19:24:01,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:24:01,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:24:01,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:24:01,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:24:01,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:24:01,059 INFO L87 Difference]: Start difference. First operand 550 states and 739 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:24:02,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:24:02,079 INFO L93 Difference]: Finished difference Result 1272 states and 1689 transitions. [2024-11-08 19:24:02,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:24:02,080 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-08 19:24:02,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:24:02,084 INFO L225 Difference]: With dead ends: 1272 [2024-11-08 19:24:02,084 INFO L226 Difference]: Without dead ends: 854 [2024-11-08 19:24:02,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:24:02,086 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 69 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:24:02,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 693 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 19:24:02,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2024-11-08 19:24:02,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 650. [2024-11-08 19:24:02,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 567 states have (on average 1.2998236331569666) internal successors, (737), 571 states have internal predecessors, (737), 66 states have call successors, (66), 16 states have call predecessors, (66), 16 states have return successors, (66), 62 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-08 19:24:02,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 869 transitions. [2024-11-08 19:24:02,152 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 869 transitions. Word has length 109 [2024-11-08 19:24:02,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:24:02,153 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 869 transitions. [2024-11-08 19:24:02,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:24:02,153 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 869 transitions. [2024-11-08 19:24:02,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 19:24:02,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:24:02,155 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:24:02,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-08 19:24:02,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:24:02,356 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:24:02,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:02,356 INFO L85 PathProgramCache]: Analyzing trace with hash -502919805, now seen corresponding path program 1 times [2024-11-08 19:24:02,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:24:02,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685061541] [2024-11-08 19:24:02,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:02,357 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:24:02,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:24:02,358 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:24:02,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-08 19:24:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:02,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:24:02,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:24:03,171 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 53 proven. 30 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-08 19:24:03,171 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:24:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:24:03,422 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:24:03,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1685061541] [2024-11-08 19:24:03,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1685061541] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:24:03,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:24:03,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-11-08 19:24:03,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053104040] [2024-11-08 19:24:03,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:24:03,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:24:03,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:24:03,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:24:03,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:24:03,426 INFO L87 Difference]: Start difference. First operand 650 states and 869 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:24:03,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:24:03,663 INFO L93 Difference]: Finished difference Result 1356 states and 1799 transitions. [2024-11-08 19:24:03,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:24:03,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-08 19:24:03,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:24:03,668 INFO L225 Difference]: With dead ends: 1356 [2024-11-08 19:24:03,669 INFO L226 Difference]: Without dead ends: 846 [2024-11-08 19:24:03,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:24:03,671 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 43 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:24:03,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 428 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:24:03,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-08 19:24:03,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 730. [2024-11-08 19:24:03,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 647 states have (on average 1.2905718701700155) internal successors, (835), 651 states have internal predecessors, (835), 66 states have call successors, (66), 16 states have call predecessors, (66), 16 states have return successors, (66), 62 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-08 19:24:03,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 967 transitions. [2024-11-08 19:24:03,761 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 967 transitions. Word has length 109 [2024-11-08 19:24:03,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:24:03,761 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 967 transitions. [2024-11-08 19:24:03,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:24:03,762 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 967 transitions. [2024-11-08 19:24:03,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 19:24:03,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:24:03,764 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:24:03,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-08 19:24:03,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:24:03,964 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:24:03,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:03,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1876302156, now seen corresponding path program 1 times [2024-11-08 19:24:03,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:24:03,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907374035] [2024-11-08 19:24:03,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:03,966 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:24:03,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:24:03,967 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:24:03,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-08 19:24:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:04,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:24:04,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:24:04,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 19:24:04,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2024-11-08 19:24:04,655 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:24:04,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 32 [2024-11-08 19:24:04,847 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:24:04,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 28 [2024-11-08 19:24:05,023 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-08 19:24:05,023 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:24:05,023 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:24:05,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907374035] [2024-11-08 19:24:05,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [907374035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:24:05,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:24:05,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 19:24:05,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746265065] [2024-11-08 19:24:05,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:24:05,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:24:05,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:24:05,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:24:05,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:24:05,026 INFO L87 Difference]: Start difference. First operand 730 states and 967 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:24:07,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:24:07,600 INFO L93 Difference]: Finished difference Result 1628 states and 2160 transitions. [2024-11-08 19:24:07,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:24:07,601 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-11-08 19:24:07,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:24:07,607 INFO L225 Difference]: With dead ends: 1628 [2024-11-08 19:24:07,607 INFO L226 Difference]: Without dead ends: 1046 [2024-11-08 19:24:07,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:24:07,610 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 195 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:24:07,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 1084 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 19:24:07,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2024-11-08 19:24:07,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 950. [2024-11-08 19:24:07,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 867 states have (on average 1.3044982698961938) internal successors, (1131), 871 states have internal predecessors, (1131), 66 states have call successors, (66), 16 states have call predecessors, (66), 16 states have return successors, (66), 62 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-08 19:24:07,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1263 transitions. [2024-11-08 19:24:07,695 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1263 transitions. Word has length 109 [2024-11-08 19:24:07,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:24:07,696 INFO L471 AbstractCegarLoop]: Abstraction has 950 states and 1263 transitions. [2024-11-08 19:24:07,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:24:07,696 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1263 transitions. [2024-11-08 19:24:07,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 19:24:07,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:24:07,698 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:24:07,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-08 19:24:07,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:24:07,899 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:24:07,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:07,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1138801462, now seen corresponding path program 1 times [2024-11-08 19:24:07,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:24:07,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286803810] [2024-11-08 19:24:07,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:07,901 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:24:07,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:24:07,904 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:24:07,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-08 19:24:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:08,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 19:24:08,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:24:08,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 19:24:08,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2024-11-08 19:24:08,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2024-11-08 19:24:08,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-08 19:24:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-08 19:24:08,680 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:24:08,681 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:24:08,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286803810] [2024-11-08 19:24:08,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286803810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:24:08,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:24:08,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:24:08,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658083018] [2024-11-08 19:24:08,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:24:08,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:24:08,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:24:08,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:24:08,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:24:08,683 INFO L87 Difference]: Start difference. First operand 950 states and 1263 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:24:10,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:24:10,006 INFO L93 Difference]: Finished difference Result 1802 states and 2386 transitions. [2024-11-08 19:24:10,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:24:10,007 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-11-08 19:24:10,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:24:10,012 INFO L225 Difference]: With dead ends: 1802 [2024-11-08 19:24:10,013 INFO L226 Difference]: Without dead ends: 1030 [2024-11-08 19:24:10,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:24:10,015 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 191 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:24:10,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 431 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 19:24:10,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2024-11-08 19:24:10,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 934. [2024-11-08 19:24:10,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 934 states, 849 states have (on average 1.2968197879858658) internal successors, (1101), 853 states have internal predecessors, (1101), 66 states have call successors, (66), 18 states have call predecessors, (66), 18 states have return successors, (66), 62 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-08 19:24:10,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1233 transitions. [2024-11-08 19:24:10,126 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1233 transitions. Word has length 109 [2024-11-08 19:24:10,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:24:10,127 INFO L471 AbstractCegarLoop]: Abstraction has 934 states and 1233 transitions. [2024-11-08 19:24:10,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:24:10,128 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1233 transitions. [2024-11-08 19:24:10,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 19:24:10,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:24:10,130 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:24:10,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-08 19:24:10,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:24:10,331 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:24:10,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:10,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1735753546, now seen corresponding path program 1 times [2024-11-08 19:24:10,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:24:10,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572350212] [2024-11-08 19:24:10,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:10,332 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:24:10,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:24:10,333 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:24:10,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-08 19:24:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:10,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:24:10,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:24:10,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-08 19:24:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-08 19:24:11,676 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:24:11,677 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:24:11,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572350212] [2024-11-08 19:24:11,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572350212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:24:11,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:24:11,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:24:11,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495250009] [2024-11-08 19:24:11,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:24:11,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:24:11,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:24:11,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:24:11,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:24:11,681 INFO L87 Difference]: Start difference. First operand 934 states and 1233 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:24:15,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:24:23,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.93s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:24:31,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:24:35,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:24:39,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:24:43,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:24:47,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:24:51,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:24:55,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:24:57,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:25:01,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:25:06,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:25:07,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:07,206 INFO L93 Difference]: Finished difference Result 1452 states and 1909 transitions. [2024-11-08 19:25:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 19:25:07,207 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-11-08 19:25:07,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:07,210 INFO L225 Difference]: With dead ends: 1452 [2024-11-08 19:25:07,210 INFO L226 Difference]: Without dead ends: 674 [2024-11-08 19:25:07,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=39, Invalid=115, Unknown=2, NotChecked=0, Total=156 [2024-11-08 19:25:07,213 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 98 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 8 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:07,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 364 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 217 Invalid, 11 Unknown, 0 Unchecked, 47.8s Time] [2024-11-08 19:25:07,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2024-11-08 19:25:07,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 654. [2024-11-08 19:25:07,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 592 states have (on average 1.277027027027027) internal successors, (756), 593 states have internal predecessors, (756), 46 states have call successors, (46), 15 states have call predecessors, (46), 15 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-08 19:25:07,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 848 transitions. [2024-11-08 19:25:07,283 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 848 transitions. Word has length 109 [2024-11-08 19:25:07,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:25:07,284 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 848 transitions. [2024-11-08 19:25:07,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:25:07,284 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 848 transitions. [2024-11-08 19:25:07,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 19:25:07,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:25:07,286 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:25:07,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-08 19:25:07,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:25:07,490 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:25:07,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:07,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1569021812, now seen corresponding path program 1 times [2024-11-08 19:25:07,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:25:07,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334017635] [2024-11-08 19:25:07,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:07,492 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:25:07,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:25:07,496 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:25:07,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-08 19:25:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:07,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:25:07,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:25:07,900 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-08 19:25:07,900 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:25:07,901 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:25:07,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334017635] [2024-11-08 19:25:07,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334017635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:25:07,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:25:07,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:25:07,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427387804] [2024-11-08 19:25:07,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:25:07,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:25:07,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:25:07,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:25:07,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:25:07,904 INFO L87 Difference]: Start difference. First operand 654 states and 848 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:25:08,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:08,003 INFO L93 Difference]: Finished difference Result 1222 states and 1587 transitions. [2024-11-08 19:25:08,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:25:08,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-11-08 19:25:08,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:08,006 INFO L225 Difference]: With dead ends: 1222 [2024-11-08 19:25:08,007 INFO L226 Difference]: Without dead ends: 654 [2024-11-08 19:25:08,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 106 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 19:25:08,008 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:08,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:25:08,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2024-11-08 19:25:08,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 654. [2024-11-08 19:25:08,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 592 states have (on average 1.2736486486486487) internal successors, (754), 593 states have internal predecessors, (754), 46 states have call successors, (46), 15 states have call predecessors, (46), 15 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-08 19:25:08,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 846 transitions. [2024-11-08 19:25:08,082 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 846 transitions. Word has length 109 [2024-11-08 19:25:08,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:25:08,082 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 846 transitions. [2024-11-08 19:25:08,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:25:08,082 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 846 transitions. [2024-11-08 19:25:08,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:25:08,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:25:08,084 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:25:08,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2024-11-08 19:25:08,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:25:08,285 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:25:08,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:08,285 INFO L85 PathProgramCache]: Analyzing trace with hash -701307857, now seen corresponding path program 1 times [2024-11-08 19:25:08,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:25:08,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876153495] [2024-11-08 19:25:08,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:08,287 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:25:08,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:25:08,290 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:25:08,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-08 19:25:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:09,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 19:25:09,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:25:09,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:25:09,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:25:09,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 19:25:09,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-08 19:25:09,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2024-11-08 19:25:09,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 28 [2024-11-08 19:25:10,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2024-11-08 19:25:11,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-08 19:25:12,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-08 19:25:12,021 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:25:12,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 24 [2024-11-08 19:25:12,794 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-08 19:25:12,794 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:25:12,794 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:25:12,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876153495] [2024-11-08 19:25:12,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1876153495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:25:12,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:25:12,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 19:25:12,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083935558] [2024-11-08 19:25:12,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:25:12,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 19:25:12,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:25:12,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 19:25:12,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:25:12,797 INFO L87 Difference]: Start difference. First operand 654 states and 846 transitions. Second operand has 11 states, 10 states have (on average 5.9) internal successors, (59), 11 states have internal predecessors, (59), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 19:25:24,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:25:29,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:25:37,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:37,220 INFO L93 Difference]: Finished difference Result 1374 states and 1764 transitions. [2024-11-08 19:25:37,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 19:25:37,229 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.9) internal successors, (59), 11 states have internal predecessors, (59), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 110 [2024-11-08 19:25:37,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:37,234 INFO L225 Difference]: With dead ends: 1374 [2024-11-08 19:25:37,234 INFO L226 Difference]: Without dead ends: 876 [2024-11-08 19:25:37,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2024-11-08 19:25:37,236 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 231 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 28 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:37,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 765 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 585 Invalid, 2 Unknown, 0 Unchecked, 21.4s Time] [2024-11-08 19:25:37,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2024-11-08 19:25:37,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 848. [2024-11-08 19:25:37,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 777 states have (on average 1.2586872586872586) internal successors, (978), 781 states have internal predecessors, (978), 52 states have call successors, (52), 18 states have call predecessors, (52), 18 states have return successors, (52), 48 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 19:25:37,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1082 transitions. [2024-11-08 19:25:37,354 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1082 transitions. Word has length 110 [2024-11-08 19:25:37,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:25:37,354 INFO L471 AbstractCegarLoop]: Abstraction has 848 states and 1082 transitions. [2024-11-08 19:25:37,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.9) internal successors, (59), 11 states have internal predecessors, (59), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 19:25:37,355 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1082 transitions. [2024-11-08 19:25:37,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:25:37,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:25:37,357 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:25:37,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2024-11-08 19:25:37,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:25:37,558 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:25:37,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:37,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1596594620, now seen corresponding path program 1 times [2024-11-08 19:25:37,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:25:37,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11769761] [2024-11-08 19:25:37,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:37,559 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:25:37,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:25:37,565 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:25:37,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-08 19:25:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:37,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:25:37,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:25:38,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-08 19:25:39,049 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 53 proven. 30 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-08 19:25:39,049 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:25:39,518 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:25:39,518 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:25:39,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11769761] [2024-11-08 19:25:39,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [11769761] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:25:39,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:25:39,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 19:25:39,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207454863] [2024-11-08 19:25:39,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:25:39,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:25:39,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:25:39,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:25:39,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:25:39,520 INFO L87 Difference]: Start difference. First operand 848 states and 1082 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:25:39,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:39,833 INFO L93 Difference]: Finished difference Result 1596 states and 2034 transitions. [2024-11-08 19:25:39,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:25:39,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-08 19:25:39,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:39,838 INFO L225 Difference]: With dead ends: 1596 [2024-11-08 19:25:39,838 INFO L226 Difference]: Without dead ends: 912 [2024-11-08 19:25:39,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:25:39,841 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 60 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:39,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 376 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:25:39,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2024-11-08 19:25:39,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 848. [2024-11-08 19:25:39,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 777 states have (on average 1.2535392535392536) internal successors, (974), 781 states have internal predecessors, (974), 52 states have call successors, (52), 18 states have call predecessors, (52), 18 states have return successors, (52), 48 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 19:25:39,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1078 transitions. [2024-11-08 19:25:39,963 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1078 transitions. Word has length 110 [2024-11-08 19:25:39,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:25:39,963 INFO L471 AbstractCegarLoop]: Abstraction has 848 states and 1078 transitions. [2024-11-08 19:25:39,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:25:39,964 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1078 transitions. [2024-11-08 19:25:39,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:25:39,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:25:39,966 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:25:39,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-08 19:25:40,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:25:40,167 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:25:40,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:40,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1336054277, now seen corresponding path program 1 times [2024-11-08 19:25:40,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:25:40,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956861801] [2024-11-08 19:25:40,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:40,169 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:25:40,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:25:40,173 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:25:40,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-08 19:25:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:40,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 19:25:40,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:25:40,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-08 19:25:41,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 19:25:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:25:41,670 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:25:41,670 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:25:41,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956861801] [2024-11-08 19:25:41,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956861801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:25:41,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:25:41,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 19:25:41,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455458357] [2024-11-08 19:25:41,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:25:41,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 19:25:41,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:25:41,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 19:25:41,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:25:41,672 INFO L87 Difference]: Start difference. First operand 848 states and 1078 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:25:43,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:43,878 INFO L93 Difference]: Finished difference Result 2364 states and 3005 transitions. [2024-11-08 19:25:43,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:25:43,879 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-08 19:25:43,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:43,886 INFO L225 Difference]: With dead ends: 2364 [2024-11-08 19:25:43,886 INFO L226 Difference]: Without dead ends: 1680 [2024-11-08 19:25:43,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2024-11-08 19:25:43,889 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 220 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:43,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 1022 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 19:25:43,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2024-11-08 19:25:44,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1152. [2024-11-08 19:25:44,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1050 states have (on average 1.2419047619047618) internal successors, (1304), 1055 states have internal predecessors, (1304), 76 states have call successors, (76), 25 states have call predecessors, (76), 25 states have return successors, (76), 71 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 19:25:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1456 transitions. [2024-11-08 19:25:44,037 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1456 transitions. Word has length 110 [2024-11-08 19:25:44,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:25:44,038 INFO L471 AbstractCegarLoop]: Abstraction has 1152 states and 1456 transitions. [2024-11-08 19:25:44,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:25:44,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1456 transitions. [2024-11-08 19:25:44,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:25:44,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:25:44,040 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:25:44,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-08 19:25:44,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:25:44,241 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:25:44,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:44,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1922860291, now seen corresponding path program 1 times [2024-11-08 19:25:44,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:25:44,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459781520] [2024-11-08 19:25:44,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:44,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:25:44,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:25:44,248 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:25:44,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-08 19:25:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:44,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:25:44,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:25:45,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 19:25:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:25:48,292 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:25:48,292 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:25:48,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [459781520] [2024-11-08 19:25:48,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [459781520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:25:48,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:25:48,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:25:48,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490046797] [2024-11-08 19:25:48,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:25:48,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:25:48,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:25:48,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:25:48,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:25:48,295 INFO L87 Difference]: Start difference. First operand 1152 states and 1456 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:25:53,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:25:57,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:25:59,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:25:59,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:59,907 INFO L93 Difference]: Finished difference Result 2526 states and 3151 transitions. [2024-11-08 19:25:59,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:25:59,910 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-08 19:25:59,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:59,914 INFO L225 Difference]: With dead ends: 2526 [2024-11-08 19:25:59,914 INFO L226 Difference]: Without dead ends: 1550 [2024-11-08 19:25:59,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:25:59,917 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 154 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 53 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:59,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 552 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 193 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2024-11-08 19:25:59,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2024-11-08 19:26:00,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1188. [2024-11-08 19:26:00,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1188 states, 1086 states have (on average 1.2338858195211786) internal successors, (1340), 1091 states have internal predecessors, (1340), 76 states have call successors, (76), 25 states have call predecessors, (76), 25 states have return successors, (76), 71 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 19:26:00,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1492 transitions. [2024-11-08 19:26:00,096 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1492 transitions. Word has length 110 [2024-11-08 19:26:00,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:26:00,097 INFO L471 AbstractCegarLoop]: Abstraction has 1188 states and 1492 transitions. [2024-11-08 19:26:00,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:26:00,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1492 transitions. [2024-11-08 19:26:00,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:26:00,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:26:00,100 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:26:00,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-11-08 19:26:00,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:26:00,301 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:26:00,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:26:00,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1470067783, now seen corresponding path program 1 times [2024-11-08 19:26:00,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:26:00,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136730906] [2024-11-08 19:26:00,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:26:00,303 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:26:00,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:26:00,307 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:26:00,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-08 19:26:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:00,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:26:00,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:26:01,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-08 19:26:01,632 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:26:01,632 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:26:01,632 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:26:01,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136730906] [2024-11-08 19:26:01,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [136730906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:26:01,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:26:01,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:26:01,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106292288] [2024-11-08 19:26:01,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:26:01,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:26:01,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:26:01,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:26:01,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:26:01,635 INFO L87 Difference]: Start difference. First operand 1188 states and 1492 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:26:03,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:26:03,303 INFO L93 Difference]: Finished difference Result 2286 states and 2843 transitions. [2024-11-08 19:26:03,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:26:03,305 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-08 19:26:03,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:26:03,311 INFO L225 Difference]: With dead ends: 2286 [2024-11-08 19:26:03,312 INFO L226 Difference]: Without dead ends: 1602 [2024-11-08 19:26:03,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:26:03,314 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 128 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:26:03,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 565 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 19:26:03,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2024-11-08 19:26:03,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 1224. [2024-11-08 19:26:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1224 states, 1122 states have (on average 1.2263814616755793) internal successors, (1376), 1127 states have internal predecessors, (1376), 76 states have call successors, (76), 25 states have call predecessors, (76), 25 states have return successors, (76), 71 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 19:26:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1528 transitions. [2024-11-08 19:26:03,497 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1528 transitions. Word has length 110 [2024-11-08 19:26:03,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:26:03,497 INFO L471 AbstractCegarLoop]: Abstraction has 1224 states and 1528 transitions. [2024-11-08 19:26:03,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:26:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1528 transitions. [2024-11-08 19:26:03,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:26:03,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:26:03,500 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:26:03,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-11-08 19:26:03,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:26:03,701 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:26:03,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:26:03,702 INFO L85 PathProgramCache]: Analyzing trace with hash 2056873797, now seen corresponding path program 1 times [2024-11-08 19:26:03,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:26:03,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1045764516] [2024-11-08 19:26:03,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:26:03,704 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:26:03,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:26:03,708 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:26:03,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-08 19:26:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:04,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 19:26:04,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:26:04,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2024-11-08 19:26:04,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-08 19:26:04,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 19:26:04,770 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:26:04,770 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:26:04,770 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:26:04,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1045764516] [2024-11-08 19:26:04,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1045764516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:26:04,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:26:04,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 19:26:04,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438387347] [2024-11-08 19:26:04,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:26:04,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:26:04,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:26:04,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:26:04,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:26:04,775 INFO L87 Difference]: Start difference. First operand 1224 states and 1528 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:26:07,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:26:07,252 INFO L93 Difference]: Finished difference Result 2178 states and 2734 transitions. [2024-11-08 19:26:07,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:26:07,254 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-08 19:26:07,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:26:07,261 INFO L225 Difference]: With dead ends: 2178 [2024-11-08 19:26:07,261 INFO L226 Difference]: Without dead ends: 1494 [2024-11-08 19:26:07,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:26:07,264 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 86 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:26:07,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 1255 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 19:26:07,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2024-11-08 19:26:07,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1312. [2024-11-08 19:26:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1210 states have (on average 1.228099173553719) internal successors, (1486), 1215 states have internal predecessors, (1486), 76 states have call successors, (76), 25 states have call predecessors, (76), 25 states have return successors, (76), 71 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 19:26:07,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1638 transitions. [2024-11-08 19:26:07,438 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1638 transitions. Word has length 110 [2024-11-08 19:26:07,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:26:07,438 INFO L471 AbstractCegarLoop]: Abstraction has 1312 states and 1638 transitions. [2024-11-08 19:26:07,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:26:07,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1638 transitions. [2024-11-08 19:26:07,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:26:07,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:26:07,441 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:26:07,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-11-08 19:26:07,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:26:07,642 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:26:07,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:26:07,642 INFO L85 PathProgramCache]: Analyzing trace with hash -926154932, now seen corresponding path program 1 times [2024-11-08 19:26:07,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:26:07,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [427513247] [2024-11-08 19:26:07,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:26:07,643 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:26:07,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:26:07,644 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:26:07,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-08 19:26:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:08,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 19:26:08,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:26:08,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:26:08,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:26:08,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 19:26:08,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-08 19:26:08,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2024-11-08 19:26:08,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 28 [2024-11-08 19:26:10,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-11-08 19:26:13,490 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:13,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 46 [2024-11-08 19:26:13,519 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:13,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 48 [2024-11-08 19:26:13,549 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:13,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 26 [2024-11-08 19:26:14,393 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-08 19:26:14,394 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:26:14,394 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:26:14,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [427513247] [2024-11-08 19:26:14,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [427513247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:26:14,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:26:14,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 19:26:14,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302167572] [2024-11-08 19:26:14,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:26:14,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 19:26:14,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:26:14,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 19:26:14,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:26:14,396 INFO L87 Difference]: Start difference. First operand 1312 states and 1638 transitions. Second operand has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 19:26:24,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:26:32,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:26:32,968 INFO L93 Difference]: Finished difference Result 2216 states and 2766 transitions. [2024-11-08 19:26:32,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 19:26:32,988 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 111 [2024-11-08 19:26:32,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:26:32,995 INFO L225 Difference]: With dead ends: 2216 [2024-11-08 19:26:32,995 INFO L226 Difference]: Without dead ends: 1444 [2024-11-08 19:26:32,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2024-11-08 19:26:32,998 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 263 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 28 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:26:32,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 544 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 433 Invalid, 1 Unknown, 0 Unchecked, 15.0s Time] [2024-11-08 19:26:33,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2024-11-08 19:26:33,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 1324. [2024-11-08 19:26:33,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1324 states, 1222 states have (on average 1.2225859247135842) internal successors, (1494), 1227 states have internal predecessors, (1494), 76 states have call successors, (76), 25 states have call predecessors, (76), 25 states have return successors, (76), 71 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 19:26:33,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1646 transitions. [2024-11-08 19:26:33,196 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 1646 transitions. Word has length 111 [2024-11-08 19:26:33,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:26:33,197 INFO L471 AbstractCegarLoop]: Abstraction has 1324 states and 1646 transitions. [2024-11-08 19:26:33,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 19:26:33,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1646 transitions. [2024-11-08 19:26:33,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:26:33,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:26:33,199 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:26:33,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-11-08 19:26:33,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:26:33,400 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:26:33,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:26:33,401 INFO L85 PathProgramCache]: Analyzing trace with hash -311527152, now seen corresponding path program 1 times [2024-11-08 19:26:33,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:26:33,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818872787] [2024-11-08 19:26:33,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:26:33,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:26:33,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:26:33,403 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:26:33,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-08 19:26:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:34,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 19:26:34,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:26:34,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:26:37,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2024-11-08 19:26:37,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-08 19:26:44,809 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:44,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 86 [2024-11-08 19:26:44,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 105 [2024-11-08 19:26:45,442 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 89 proven. 27 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 19:26:45,442 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:26:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:26:56,844 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:26:56,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818872787] [2024-11-08 19:26:56,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [818872787] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:26:56,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:26:56,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 16 [2024-11-08 19:26:56,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404135606] [2024-11-08 19:26:56,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:26:56,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:26:56,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:26:56,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:26:56,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-08 19:26:56,847 INFO L87 Difference]: Start difference. First operand 1324 states and 1646 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:27:10,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:27:10,447 INFO L93 Difference]: Finished difference Result 2418 states and 3020 transitions. [2024-11-08 19:27:10,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:27:10,459 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2024-11-08 19:27:10,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:27:10,465 INFO L225 Difference]: With dead ends: 2418 [2024-11-08 19:27:10,466 INFO L226 Difference]: Without dead ends: 1342 [2024-11-08 19:27:10,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 204 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 15.8s TimeCoverageRelationStatistics Valid=82, Invalid=337, Unknown=1, NotChecked=0, Total=420 [2024-11-08 19:27:10,468 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 58 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:27:10,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 630 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-08 19:27:10,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2024-11-08 19:27:10,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1252. [2024-11-08 19:27:10,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1156 states have (on average 1.2275086505190311) internal successors, (1419), 1158 states have internal predecessors, (1419), 70 states have call successors, (70), 25 states have call predecessors, (70), 25 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-08 19:27:10,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1559 transitions. [2024-11-08 19:27:10,655 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1559 transitions. Word has length 111 [2024-11-08 19:27:10,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:27:10,656 INFO L471 AbstractCegarLoop]: Abstraction has 1252 states and 1559 transitions. [2024-11-08 19:27:10,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:27:10,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1559 transitions. [2024-11-08 19:27:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:27:10,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:27:10,658 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:27:10,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2024-11-08 19:27:10,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:10,860 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:27:10,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:10,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1463480210, now seen corresponding path program 1 times [2024-11-08 19:27:10,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:27:10,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1342766298] [2024-11-08 19:27:10,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:27:10,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:10,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:27:10,866 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:27:10,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-11-08 19:27:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:11,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 19:27:11,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:27:11,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:27:14,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 63 [2024-11-08 19:27:14,773 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:27:14,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 189 treesize of output 75 [2024-11-08 19:27:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 9 proven. 107 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 19:27:14,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:27:15,548 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:27:15,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1342766298] [2024-11-08 19:27:15,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1342766298] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:27:15,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917216886] [2024-11-08 19:27:15,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:27:15,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:27:15,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:27:15,551 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:27:15,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-08 19:27:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:16,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 19:27:16,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:27:19,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 63 [2024-11-08 19:27:19,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:27:19,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 189 treesize of output 75 [2024-11-08 19:27:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 9 proven. 107 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 19:27:19,960 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:27:20,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917216886] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:27:20,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:27:20,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 20 [2024-11-08 19:27:20,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015257632] [2024-11-08 19:27:20,406 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:27:20,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-08 19:27:20,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:27:20,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-08 19:27:20,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2024-11-08 19:27:20,408 INFO L87 Difference]: Start difference. First operand 1252 states and 1559 transitions. Second operand has 21 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 18 states have internal predecessors, (69), 4 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-08 19:27:28,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:27:28,237 INFO L93 Difference]: Finished difference Result 3628 states and 4508 transitions. [2024-11-08 19:27:28,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-08 19:27:28,238 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 18 states have internal predecessors, (69), 4 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 4 states have call successors, (13) Word has length 111 [2024-11-08 19:27:28,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:27:28,249 INFO L225 Difference]: With dead ends: 3628 [2024-11-08 19:27:28,249 INFO L226 Difference]: Without dead ends: 2624 [2024-11-08 19:27:28,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 260 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=360, Invalid=1532, Unknown=0, NotChecked=0, Total=1892 [2024-11-08 19:27:28,253 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 400 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:27:28,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1316 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-08 19:27:28,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2024-11-08 19:27:28,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 1289. [2024-11-08 19:27:28,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1180 states have (on average 1.2228813559322034) internal successors, (1443), 1184 states have internal predecessors, (1443), 78 states have call successors, (78), 30 states have call predecessors, (78), 30 states have return successors, (78), 74 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-08 19:27:28,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1599 transitions. [2024-11-08 19:27:28,469 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1599 transitions. Word has length 111 [2024-11-08 19:27:28,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:27:28,470 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1599 transitions. [2024-11-08 19:27:28,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 18 states have internal predecessors, (69), 4 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-08 19:27:28,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1599 transitions. [2024-11-08 19:27:28,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:27:28,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:27:28,473 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:27:28,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-08 19:27:28,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2024-11-08 19:27:28,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:28,874 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:27:28,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:28,874 INFO L85 PathProgramCache]: Analyzing trace with hash -477101804, now seen corresponding path program 1 times [2024-11-08 19:27:28,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:27:28,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [201144293] [2024-11-08 19:27:28,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:27:28,875 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:28,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:27:28,877 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:27:28,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-11-08 19:27:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:29,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:27:29,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:27:29,506 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-08 19:27:29,506 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:27:29,507 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:27:29,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [201144293] [2024-11-08 19:27:29,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [201144293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:27:29,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:27:29,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:27:29,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934652244] [2024-11-08 19:27:29,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:27:29,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:27:29,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:27:29,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:27:29,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:27:29,509 INFO L87 Difference]: Start difference. First operand 1289 states and 1599 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 19:27:30,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:27:30,153 INFO L93 Difference]: Finished difference Result 1917 states and 2369 transitions. [2024-11-08 19:27:30,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:27:30,154 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 111 [2024-11-08 19:27:30,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:27:30,156 INFO L225 Difference]: With dead ends: 1917 [2024-11-08 19:27:30,156 INFO L226 Difference]: Without dead ends: 746 [2024-11-08 19:27:30,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:27:30,158 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 1 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:27:30,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 484 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 19:27:30,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-11-08 19:27:30,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 719. [2024-11-08 19:27:30,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 652 states have (on average 1.2024539877300613) internal successors, (784), 655 states have internal predecessors, (784), 47 states have call successors, (47), 19 states have call predecessors, (47), 19 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-08 19:27:30,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 878 transitions. [2024-11-08 19:27:30,260 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 878 transitions. Word has length 111 [2024-11-08 19:27:30,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:27:30,260 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 878 transitions. [2024-11-08 19:27:30,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 19:27:30,260 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 878 transitions. [2024-11-08 19:27:30,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-08 19:27:30,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:27:30,262 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:27:30,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2024-11-08 19:27:30,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:30,463 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:27:30,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:30,463 INFO L85 PathProgramCache]: Analyzing trace with hash 425288961, now seen corresponding path program 1 times [2024-11-08 19:27:30,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:27:30,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780842665] [2024-11-08 19:27:30,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:27:30,464 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:30,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:27:30,465 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:27:30,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-11-08 19:27:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:30,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 19:27:30,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:27:30,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-11-08 19:27:31,384 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:27:31,384 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:27:31,384 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:27:31,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780842665] [2024-11-08 19:27:31,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780842665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:27:31,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:27:31,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:27:31,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980667721] [2024-11-08 19:27:31,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:27:31,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:27:31,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:27:31,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:27:31,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:27:31,387 INFO L87 Difference]: Start difference. First operand 719 states and 878 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:27:32,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:27:32,858 INFO L93 Difference]: Finished difference Result 1171 states and 1434 transitions. [2024-11-08 19:27:32,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:27:32,860 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 112 [2024-11-08 19:27:32,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:27:32,864 INFO L225 Difference]: With dead ends: 1171 [2024-11-08 19:27:32,865 INFO L226 Difference]: Without dead ends: 755 [2024-11-08 19:27:32,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:27:32,866 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 35 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:27:32,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 856 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 19:27:32,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2024-11-08 19:27:33,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 721. [2024-11-08 19:27:33,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 654 states have (on average 1.201834862385321) internal successors, (786), 657 states have internal predecessors, (786), 47 states have call successors, (47), 19 states have call predecessors, (47), 19 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-08 19:27:33,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 880 transitions. [2024-11-08 19:27:33,010 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 880 transitions. Word has length 112 [2024-11-08 19:27:33,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:27:33,010 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 880 transitions. [2024-11-08 19:27:33,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:27:33,011 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 880 transitions. [2024-11-08 19:27:33,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-08 19:27:33,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:27:33,013 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:27:33,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2024-11-08 19:27:33,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:33,213 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:27:33,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:33,214 INFO L85 PathProgramCache]: Analyzing trace with hash 798267560, now seen corresponding path program 1 times [2024-11-08 19:27:33,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:27:33,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [331097833] [2024-11-08 19:27:33,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:27:33,214 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:33,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:27:33,216 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:27:33,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-11-08 19:27:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:33,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:27:33,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:27:34,067 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:27:34,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 32 [2024-11-08 19:27:34,249 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:27:34,249 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:27:34,249 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:27:34,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [331097833] [2024-11-08 19:27:34,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [331097833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:27:34,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:27:34,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:27:34,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414255150] [2024-11-08 19:27:34,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:27:34,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:27:34,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:27:34,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:27:34,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:27:34,252 INFO L87 Difference]: Start difference. First operand 721 states and 880 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:27:35,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:27:35,896 INFO L93 Difference]: Finished difference Result 1226 states and 1500 transitions. [2024-11-08 19:27:35,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:27:35,897 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 112 [2024-11-08 19:27:35,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:27:35,900 INFO L225 Difference]: With dead ends: 1226 [2024-11-08 19:27:35,900 INFO L226 Difference]: Without dead ends: 798 [2024-11-08 19:27:35,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:27:35,902 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 90 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:27:35,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 693 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 19:27:35,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-08 19:27:36,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 711. [2024-11-08 19:27:36,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 644 states have (on average 1.1972049689440993) internal successors, (771), 647 states have internal predecessors, (771), 47 states have call successors, (47), 19 states have call predecessors, (47), 19 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-08 19:27:36,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 865 transitions. [2024-11-08 19:27:36,025 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 865 transitions. Word has length 112 [2024-11-08 19:27:36,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:27:36,026 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 865 transitions. [2024-11-08 19:27:36,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:27:36,026 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 865 transitions. [2024-11-08 19:27:36,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 19:27:36,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:27:36,027 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:27:36,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2024-11-08 19:27:36,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:36,228 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:27:36,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:36,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1436468222, now seen corresponding path program 1 times [2024-11-08 19:27:36,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:27:36,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271930678] [2024-11-08 19:27:36,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:27:36,229 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:36,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:27:36,230 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:27:36,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-11-08 19:27:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:36,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 19:27:36,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:27:36,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:27:37,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 19:27:37,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2024-11-08 19:27:37,720 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:27:37,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 32 [2024-11-08 19:27:37,945 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-08 19:27:37,946 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:27:37,946 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:27:37,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271930678] [2024-11-08 19:27:37,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1271930678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:27:37,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:27:37,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 19:27:37,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948111465] [2024-11-08 19:27:37,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:27:37,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:27:37,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:27:37,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:27:37,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:27:37,948 INFO L87 Difference]: Start difference. First operand 711 states and 865 transitions. Second operand has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:27:41,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:27:41,122 INFO L93 Difference]: Finished difference Result 746 states and 902 transitions. [2024-11-08 19:27:41,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 19:27:41,122 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2024-11-08 19:27:41,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:27:41,125 INFO L225 Difference]: With dead ends: 746 [2024-11-08 19:27:41,126 INFO L226 Difference]: Without dead ends: 744 [2024-11-08 19:27:41,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2024-11-08 19:27:41,127 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 149 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:27:41,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 683 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 19:27:41,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-08 19:27:41,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 628. [2024-11-08 19:27:41,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 561 states have (on average 1.2067736185383244) internal successors, (677), 564 states have internal predecessors, (677), 47 states have call successors, (47), 19 states have call predecessors, (47), 19 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-08 19:27:41,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 771 transitions. [2024-11-08 19:27:41,220 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 771 transitions. Word has length 113 [2024-11-08 19:27:41,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:27:41,220 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 771 transitions. [2024-11-08 19:27:41,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 19:27:41,221 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 771 transitions. [2024-11-08 19:27:41,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-08 19:27:41,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:27:41,222 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:27:41,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-11-08 19:27:41,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:41,423 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:27:41,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:41,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1239542598, now seen corresponding path program 1 times [2024-11-08 19:27:41,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:27:41,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483319335] [2024-11-08 19:27:41,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:27:41,424 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:41,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:27:41,425 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:27:41,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-11-08 19:27:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:41,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 19:27:41,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:27:42,728 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:27:42,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 16 [2024-11-08 19:27:42,906 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:27:42,906 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:27:42,906 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:27:42,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483319335] [2024-11-08 19:27:42,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1483319335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:27:42,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:27:42,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 19:27:42,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166409832] [2024-11-08 19:27:42,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:27:42,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:27:42,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:27:42,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:27:42,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:27:42,914 INFO L87 Difference]: Start difference. First operand 628 states and 771 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:27:46,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:27:46,529 INFO L93 Difference]: Finished difference Result 1297 states and 1568 transitions. [2024-11-08 19:27:46,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 19:27:46,530 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 114 [2024-11-08 19:27:46,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:27:46,539 INFO L225 Difference]: With dead ends: 1297 [2024-11-08 19:27:46,539 INFO L226 Difference]: Without dead ends: 941 [2024-11-08 19:27:46,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-08 19:27:46,541 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 177 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:27:46,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1039 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-08 19:27:46,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2024-11-08 19:27:46,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 653. [2024-11-08 19:27:46,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 583 states have (on average 1.1921097770154374) internal successors, (695), 586 states have internal predecessors, (695), 49 states have call successors, (49), 20 states have call predecessors, (49), 20 states have return successors, (49), 46 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-08 19:27:46,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 793 transitions. [2024-11-08 19:27:46,728 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 793 transitions. Word has length 114 [2024-11-08 19:27:46,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:27:46,729 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 793 transitions. [2024-11-08 19:27:46,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:27:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 793 transitions. [2024-11-08 19:27:46,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-08 19:27:46,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:27:46,730 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:27:46,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2024-11-08 19:27:46,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:46,931 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:27:46,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:46,932 INFO L85 PathProgramCache]: Analyzing trace with hash 2031179208, now seen corresponding path program 1 times [2024-11-08 19:27:46,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:27:46,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320738255] [2024-11-08 19:27:46,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:27:46,933 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:46,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:27:46,936 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:27:46,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-11-08 19:27:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:47,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 19:27:47,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:27:48,003 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:27:48,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 108 treesize of output 54 [2024-11-08 19:27:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:27:48,174 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:27:48,174 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:27:48,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1320738255] [2024-11-08 19:27:48,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1320738255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:27:48,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:27:48,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:27:48,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673662435] [2024-11-08 19:27:48,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:27:48,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:27:48,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:27:48,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:27:48,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:27:48,177 INFO L87 Difference]: Start difference. First operand 653 states and 793 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:27:50,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:27:50,707 INFO L93 Difference]: Finished difference Result 1345 states and 1613 transitions. [2024-11-08 19:27:50,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:27:50,708 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 116 [2024-11-08 19:27:50,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:27:50,713 INFO L225 Difference]: With dead ends: 1345 [2024-11-08 19:27:50,713 INFO L226 Difference]: Without dead ends: 959 [2024-11-08 19:27:50,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:27:50,715 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 151 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1092 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:27:50,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 1092 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 19:27:50,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-11-08 19:27:50,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 661. [2024-11-08 19:27:50,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 591 states have (on average 1.1895093062605753) internal successors, (703), 594 states have internal predecessors, (703), 49 states have call successors, (49), 20 states have call predecessors, (49), 20 states have return successors, (49), 46 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-08 19:27:50,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 801 transitions. [2024-11-08 19:27:50,839 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 801 transitions. Word has length 116 [2024-11-08 19:27:50,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:27:50,839 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 801 transitions. [2024-11-08 19:27:50,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:27:50,839 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 801 transitions. [2024-11-08 19:27:50,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-08 19:27:50,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:27:50,840 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:27:50,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2024-11-08 19:27:51,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:51,041 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:27:51,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:51,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1969139594, now seen corresponding path program 1 times [2024-11-08 19:27:51,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:27:51,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928859462] [2024-11-08 19:27:51,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:27:51,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:27:51,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:27:51,043 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:27:51,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2024-11-08 19:27:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:51,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-08 19:27:51,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:27:51,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:27:52,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:27:52,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 19:27:53,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 19:27:54,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 33 [2024-11-08 19:27:54,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 43 [2024-11-08 19:28:02,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-11-08 19:28:06,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2024-11-08 19:28:06,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:28:06,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 33 [2024-11-08 19:28:06,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2024-11-08 19:28:07,290 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 194 proven. 18 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 19:28:07,291 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:28:24,160 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:28:24,160 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:28:24,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928859462] [2024-11-08 19:28:24,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928859462] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:28:24,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:28:24,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [28] total 40 [2024-11-08 19:28:24,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962684939] [2024-11-08 19:28:24,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:28:24,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 19:28:24,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:28:24,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 19:28:24,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1287, Unknown=0, NotChecked=0, Total=1560 [2024-11-08 19:28:24,163 INFO L87 Difference]: Start difference. First operand 661 states and 801 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:28:36,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:28:54,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:28:58,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:29:02,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:29:03,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:29:03,734 INFO L93 Difference]: Finished difference Result 1157 states and 1395 transitions. [2024-11-08 19:29:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 19:29:03,738 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 116 [2024-11-08 19:29:03,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:29:03,741 INFO L225 Difference]: With dead ends: 1157 [2024-11-08 19:29:03,741 INFO L226 Difference]: Without dead ends: 768 [2024-11-08 19:29:03,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 32.6s TimeCoverageRelationStatistics Valid=447, Invalid=1905, Unknown=0, NotChecked=0, Total=2352 [2024-11-08 19:29:03,743 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 335 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 49 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:29:03,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 968 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 567 Invalid, 4 Unknown, 0 Unchecked, 32.1s Time] [2024-11-08 19:29:03,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2024-11-08 19:29:03,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 679. [2024-11-08 19:29:03,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 609 states have (on average 1.1888341543513958) internal successors, (724), 612 states have internal predecessors, (724), 49 states have call successors, (49), 20 states have call predecessors, (49), 20 states have return successors, (49), 46 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-08 19:29:03,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 822 transitions. [2024-11-08 19:29:03,827 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 822 transitions. Word has length 116 [2024-11-08 19:29:03,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:29:03,827 INFO L471 AbstractCegarLoop]: Abstraction has 679 states and 822 transitions. [2024-11-08 19:29:03,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:03,827 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 822 transitions. [2024-11-08 19:29:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 19:29:03,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:29:03,828 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:29:03,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2024-11-08 19:29:04,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:04,029 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:29:04,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:29:04,029 INFO L85 PathProgramCache]: Analyzing trace with hash -995713690, now seen corresponding path program 1 times [2024-11-08 19:29:04,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:29:04,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605299722] [2024-11-08 19:29:04,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:29:04,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:04,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:29:04,031 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:29:04,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2024-11-08 19:29:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:29:04,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 19:29:04,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:29:05,763 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:29:05,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 37 [2024-11-08 19:29:05,972 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:29:05,972 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:29:05,972 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:29:05,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605299722] [2024-11-08 19:29:05,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605299722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:29:05,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:29:05,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 19:29:05,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985005723] [2024-11-08 19:29:05,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:29:05,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 19:29:05,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:29:05,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 19:29:05,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:29:05,975 INFO L87 Difference]: Start difference. First operand 679 states and 822 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:11,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:29:11,387 INFO L93 Difference]: Finished difference Result 1557 states and 1860 transitions. [2024-11-08 19:29:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 19:29:11,388 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-08 19:29:11,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:29:11,394 INFO L225 Difference]: With dead ends: 1557 [2024-11-08 19:29:11,394 INFO L226 Difference]: Without dead ends: 1150 [2024-11-08 19:29:11,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-08 19:29:11,396 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 160 mSDsluCounter, 1117 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1321 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:29:11,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1321 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-08 19:29:11,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2024-11-08 19:29:11,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 672. [2024-11-08 19:29:11,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 602 states have (on average 1.186046511627907) internal successors, (714), 605 states have internal predecessors, (714), 49 states have call successors, (49), 20 states have call predecessors, (49), 20 states have return successors, (49), 46 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-08 19:29:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 812 transitions. [2024-11-08 19:29:11,522 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 812 transitions. Word has length 118 [2024-11-08 19:29:11,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:29:11,523 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 812 transitions. [2024-11-08 19:29:11,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 812 transitions. [2024-11-08 19:29:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 19:29:11,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:29:11,525 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:29:11,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Ended with exit code 0 [2024-11-08 19:29:11,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:11,726 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:29:11,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:29:11,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1665153636, now seen corresponding path program 1 times [2024-11-08 19:29:11,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:29:11,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1711316691] [2024-11-08 19:29:11,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:29:11,728 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:11,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:29:11,732 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:29:11,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2024-11-08 19:29:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:29:12,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 19:29:12,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:29:13,531 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:29:13,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 36 [2024-11-08 19:29:13,718 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:29:13,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:29:13,719 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:29:13,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1711316691] [2024-11-08 19:29:13,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1711316691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:29:13,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:29:13,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 19:29:13,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719712665] [2024-11-08 19:29:13,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:29:13,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 19:29:13,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:29:13,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 19:29:13,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:29:13,721 INFO L87 Difference]: Start difference. First operand 672 states and 812 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:18,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:29:18,259 INFO L93 Difference]: Finished difference Result 1281 states and 1540 transitions. [2024-11-08 19:29:18,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 19:29:18,263 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-08 19:29:18,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:29:18,266 INFO L225 Difference]: With dead ends: 1281 [2024-11-08 19:29:18,266 INFO L226 Difference]: Without dead ends: 881 [2024-11-08 19:29:18,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:29:18,267 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 130 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:29:18,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1134 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-08 19:29:18,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2024-11-08 19:29:18,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 672. [2024-11-08 19:29:18,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 602 states have (on average 1.1827242524916943) internal successors, (712), 605 states have internal predecessors, (712), 49 states have call successors, (49), 20 states have call predecessors, (49), 20 states have return successors, (49), 46 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-08 19:29:18,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 810 transitions. [2024-11-08 19:29:18,373 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 810 transitions. Word has length 118 [2024-11-08 19:29:18,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:29:18,373 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 810 transitions. [2024-11-08 19:29:18,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:18,373 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 810 transitions. [2024-11-08 19:29:18,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 19:29:18,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:29:18,374 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:29:18,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2024-11-08 19:29:18,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:18,574 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:29:18,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:29:18,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1926065887, now seen corresponding path program 1 times [2024-11-08 19:29:18,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:29:18,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1104134763] [2024-11-08 19:29:18,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:29:18,576 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:18,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:29:18,577 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:29:18,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2024-11-08 19:29:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:29:18,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 19:29:18,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:29:19,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2024-11-08 19:29:19,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-08 19:29:19,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 19:29:19,719 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:29:19,720 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:29:19,720 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:29:19,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1104134763] [2024-11-08 19:29:19,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1104134763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:29:19,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:29:19,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 19:29:19,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565168155] [2024-11-08 19:29:19,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:29:19,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 19:29:19,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:29:19,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 19:29:19,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:29:19,722 INFO L87 Difference]: Start difference. First operand 672 states and 810 transitions. Second operand has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:22,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:29:22,116 INFO L93 Difference]: Finished difference Result 1155 states and 1388 transitions. [2024-11-08 19:29:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 19:29:22,117 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 120 [2024-11-08 19:29:22,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:29:22,120 INFO L225 Difference]: With dead ends: 1155 [2024-11-08 19:29:22,120 INFO L226 Difference]: Without dead ends: 755 [2024-11-08 19:29:22,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-08 19:29:22,122 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 66 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:29:22,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 1417 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 19:29:22,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2024-11-08 19:29:22,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 737. [2024-11-08 19:29:22,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 655 states have (on average 1.1725190839694657) internal successors, (768), 659 states have internal predecessors, (768), 57 states have call successors, (57), 24 states have call predecessors, (57), 24 states have return successors, (57), 53 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-08 19:29:22,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 882 transitions. [2024-11-08 19:29:22,298 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 882 transitions. Word has length 120 [2024-11-08 19:29:22,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:29:22,298 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 882 transitions. [2024-11-08 19:29:22,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:22,299 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 882 transitions. [2024-11-08 19:29:22,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 19:29:22,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:29:22,300 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:29:22,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Ended with exit code 0 [2024-11-08 19:29:22,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:22,501 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:29:22,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:29:22,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1089037731, now seen corresponding path program 1 times [2024-11-08 19:29:22,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:29:22,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290649506] [2024-11-08 19:29:22,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:29:22,503 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:22,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:29:22,504 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:29:22,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2024-11-08 19:29:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:29:23,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:29:23,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:29:23,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-08 19:29:26,246 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 19:29:26,246 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:29:26,246 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:29:26,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290649506] [2024-11-08 19:29:26,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290649506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:29:26,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:29:26,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:29:26,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856341104] [2024-11-08 19:29:26,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:29:26,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:29:26,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:29:26,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:29:26,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:29:26,248 INFO L87 Difference]: Start difference. First operand 737 states and 882 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:28,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:29:28,620 INFO L93 Difference]: Finished difference Result 1203 states and 1438 transitions. [2024-11-08 19:29:28,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:29:28,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 120 [2024-11-08 19:29:28,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:29:28,624 INFO L225 Difference]: With dead ends: 1203 [2024-11-08 19:29:28,624 INFO L226 Difference]: Without dead ends: 738 [2024-11-08 19:29:28,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:29:28,625 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 60 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:29:28,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 475 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 19:29:28,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2024-11-08 19:29:28,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 735. [2024-11-08 19:29:28,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 652 states have (on average 1.1702453987730062) internal successors, (763), 656 states have internal predecessors, (763), 57 states have call successors, (57), 25 states have call predecessors, (57), 25 states have return successors, (57), 53 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-08 19:29:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 877 transitions. [2024-11-08 19:29:28,760 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 877 transitions. Word has length 120 [2024-11-08 19:29:28,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:29:28,760 INFO L471 AbstractCegarLoop]: Abstraction has 735 states and 877 transitions. [2024-11-08 19:29:28,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:28,760 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 877 transitions. [2024-11-08 19:29:28,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-08 19:29:28,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:29:28,764 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 19:29:28,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2024-11-08 19:29:28,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:28,965 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:29:28,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:29:28,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1781414462, now seen corresponding path program 1 times [2024-11-08 19:29:28,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:29:28,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1421629646] [2024-11-08 19:29:28,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:29:28,966 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:28,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:29:28,967 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:29:28,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2024-11-08 19:29:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:29:29,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:29:29,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:29:29,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1135 trivial. 0 not checked. [2024-11-08 19:29:29,746 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:29:29,746 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:29:29,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1421629646] [2024-11-08 19:29:29,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1421629646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:29:29,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:29:29,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:29:29,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839282314] [2024-11-08 19:29:29,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:29:29,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:29:29,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:29:29,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:29:29,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:29:29,749 INFO L87 Difference]: Start difference. First operand 735 states and 877 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:29,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:29:29,927 INFO L93 Difference]: Finished difference Result 1454 states and 1715 transitions. [2024-11-08 19:29:29,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:29:29,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 209 [2024-11-08 19:29:29,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:29:29,931 INFO L225 Difference]: With dead ends: 1454 [2024-11-08 19:29:29,931 INFO L226 Difference]: Without dead ends: 845 [2024-11-08 19:29:29,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 207 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 19:29:29,939 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 54 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:29:29,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 276 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:29:29,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-11-08 19:29:30,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 680. [2024-11-08 19:29:30,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 597 states have (on average 1.1440536013400335) internal successors, (683), 601 states have internal predecessors, (683), 57 states have call successors, (57), 25 states have call predecessors, (57), 25 states have return successors, (57), 53 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-08 19:29:30,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 797 transitions. [2024-11-08 19:29:30,092 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 797 transitions. Word has length 209 [2024-11-08 19:29:30,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:29:30,093 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 797 transitions. [2024-11-08 19:29:30,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:30,093 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 797 transitions. [2024-11-08 19:29:30,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-08 19:29:30,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:29:30,096 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 19:29:30,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Ended with exit code 0 [2024-11-08 19:29:30,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:30,297 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:29:30,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:29:30,297 INFO L85 PathProgramCache]: Analyzing trace with hash 2105606813, now seen corresponding path program 1 times [2024-11-08 19:29:30,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:29:30,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1432276677] [2024-11-08 19:29:30,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:29:30,299 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:30,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:29:30,300 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:29:30,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2024-11-08 19:29:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:29:31,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:29:31,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:29:31,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1135 trivial. 0 not checked. [2024-11-08 19:29:31,115 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:29:31,116 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:29:31,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1432276677] [2024-11-08 19:29:31,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1432276677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:29:31,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:29:31,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:29:31,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361484004] [2024-11-08 19:29:31,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:29:31,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:29:31,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:29:31,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:29:31,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:29:31,118 INFO L87 Difference]: Start difference. First operand 680 states and 797 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:31,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:29:31,285 INFO L93 Difference]: Finished difference Result 1399 states and 1623 transitions. [2024-11-08 19:29:31,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:29:31,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 213 [2024-11-08 19:29:31,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:29:31,288 INFO L225 Difference]: With dead ends: 1399 [2024-11-08 19:29:31,289 INFO L226 Difference]: Without dead ends: 842 [2024-11-08 19:29:31,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 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 19:29:31,290 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 54 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:29:31,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 228 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:29:31,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-11-08 19:29:31,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 664. [2024-11-08 19:29:31,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 581 states have (on average 1.1222030981067126) internal successors, (652), 585 states have internal predecessors, (652), 57 states have call successors, (57), 25 states have call predecessors, (57), 25 states have return successors, (57), 53 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-08 19:29:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 766 transitions. [2024-11-08 19:29:31,443 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 766 transitions. Word has length 213 [2024-11-08 19:29:31,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:29:31,444 INFO L471 AbstractCegarLoop]: Abstraction has 664 states and 766 transitions. [2024-11-08 19:29:31,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:31,444 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 766 transitions. [2024-11-08 19:29:31,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-08 19:29:31,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:29:31,446 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 19:29:31,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2024-11-08 19:29:31,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:31,647 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:29:31,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:29:31,647 INFO L85 PathProgramCache]: Analyzing trace with hash -2127320869, now seen corresponding path program 1 times [2024-11-08 19:29:31,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:29:31,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513664063] [2024-11-08 19:29:31,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:29:31,648 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:31,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:29:31,650 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:29:31,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2024-11-08 19:29:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:29:32,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:29:32,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:29:33,850 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:29:33,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 35 [2024-11-08 19:29:37,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 340 proven. 12 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-11-08 19:29:37,553 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:29:38,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1136 trivial. 0 not checked. [2024-11-08 19:29:38,786 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:29:38,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513664063] [2024-11-08 19:29:38,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1513664063] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:29:38,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:29:38,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2024-11-08 19:29:38,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858507808] [2024-11-08 19:29:38,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:29:38,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:29:38,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:29:38,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:29:38,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-08 19:29:38,788 INFO L87 Difference]: Start difference. First operand 664 states and 766 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:39,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:29:39,876 INFO L93 Difference]: Finished difference Result 1376 states and 1581 transitions. [2024-11-08 19:29:39,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:29:39,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 213 [2024-11-08 19:29:39,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:29:39,879 INFO L225 Difference]: With dead ends: 1376 [2024-11-08 19:29:39,880 INFO L226 Difference]: Without dead ends: 822 [2024-11-08 19:29:39,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-08 19:29:39,881 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 67 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:29:39,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 446 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 19:29:39,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-11-08 19:29:40,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 611. [2024-11-08 19:29:40,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 528 states have (on average 1.1041666666666667) internal successors, (583), 532 states have internal predecessors, (583), 57 states have call successors, (57), 25 states have call predecessors, (57), 25 states have return successors, (57), 53 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-08 19:29:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 697 transitions. [2024-11-08 19:29:40,013 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 697 transitions. Word has length 213 [2024-11-08 19:29:40,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:29:40,014 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 697 transitions. [2024-11-08 19:29:40,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:40,014 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 697 transitions. [2024-11-08 19:29:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-08 19:29:40,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:29:40,017 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 19:29:40,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2024-11-08 19:29:40,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:40,218 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:29:40,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:29:40,219 INFO L85 PathProgramCache]: Analyzing trace with hash 402816985, now seen corresponding path program 1 times [2024-11-08 19:29:40,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:29:40,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1283666903] [2024-11-08 19:29:40,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:29:40,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:40,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:29:40,227 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:29:40,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2024-11-08 19:29:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:29:41,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:29:41,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:29:41,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 19:29:41,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-11-08 19:29:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 1139 trivial. 0 not checked. [2024-11-08 19:29:41,496 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:29:41,496 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:29:41,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1283666903] [2024-11-08 19:29:41,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1283666903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:29:41,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:29:41,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 19:29:41,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955520803] [2024-11-08 19:29:41,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:29:41,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:29:41,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:29:41,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:29:41,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:29:41,499 INFO L87 Difference]: Start difference. First operand 611 states and 697 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:43,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:29:43,466 INFO L93 Difference]: Finished difference Result 1004 states and 1139 transitions. [2024-11-08 19:29:43,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:29:43,467 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 216 [2024-11-08 19:29:43,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:29:43,469 INFO L225 Difference]: With dead ends: 1004 [2024-11-08 19:29:43,469 INFO L226 Difference]: Without dead ends: 637 [2024-11-08 19:29:43,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-08 19:29:43,470 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 95 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:29:43,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 774 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 19:29:43,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-08 19:29:43,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 477. [2024-11-08 19:29:43,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 416 states have (on average 1.09375) internal successors, (455), 419 states have internal predecessors, (455), 41 states have call successors, (41), 19 states have call predecessors, (41), 19 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-08 19:29:43,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 537 transitions. [2024-11-08 19:29:43,581 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 537 transitions. Word has length 216 [2024-11-08 19:29:43,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:29:43,582 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 537 transitions. [2024-11-08 19:29:43,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:43,582 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 537 transitions. [2024-11-08 19:29:43,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-08 19:29:43,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:29:43,585 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 19:29:43,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Ended with exit code 0 [2024-11-08 19:29:43,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:43,786 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:29:43,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:29:43,786 INFO L85 PathProgramCache]: Analyzing trace with hash 989622999, now seen corresponding path program 1 times [2024-11-08 19:29:43,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:29:43,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086253560] [2024-11-08 19:29:43,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:29:43,787 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:43,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:29:43,789 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:29:43,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2024-11-08 19:29:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:29:44,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:29:44,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:29:44,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 19:29:44,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 1139 trivial. 0 not checked. [2024-11-08 19:29:44,778 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:29:44,778 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:29:44,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086253560] [2024-11-08 19:29:44,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1086253560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:29:44,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:29:44,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:29:44,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742308494] [2024-11-08 19:29:44,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:29:44,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:29:44,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:29:44,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:29:44,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:29:44,781 INFO L87 Difference]: Start difference. First operand 477 states and 537 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:45,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:29:45,866 INFO L93 Difference]: Finished difference Result 857 states and 964 transitions. [2024-11-08 19:29:45,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:29:45,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 216 [2024-11-08 19:29:45,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:29:45,869 INFO L225 Difference]: With dead ends: 857 [2024-11-08 19:29:45,869 INFO L226 Difference]: Without dead ends: 490 [2024-11-08 19:29:45,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:29:45,871 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 20 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:29:45,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 433 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 19:29:45,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-11-08 19:29:46,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 458. [2024-11-08 19:29:46,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 397 states have (on average 1.0957178841309825) internal successors, (435), 400 states have internal predecessors, (435), 41 states have call successors, (41), 19 states have call predecessors, (41), 19 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-08 19:29:46,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 517 transitions. [2024-11-08 19:29:46,057 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 517 transitions. Word has length 216 [2024-11-08 19:29:46,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:29:46,060 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 517 transitions. [2024-11-08 19:29:46,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:29:46,061 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 517 transitions. [2024-11-08 19:29:46,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-08 19:29:46,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:29:46,063 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 19:29:46,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Forceful destruction successful, exit code 0 [2024-11-08 19:29:46,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:46,264 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:29:46,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:29:46,265 INFO L85 PathProgramCache]: Analyzing trace with hash 536830491, now seen corresponding path program 1 times [2024-11-08 19:29:46,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:29:46,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [539104892] [2024-11-08 19:29:46,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:29:46,266 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:29:46,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:29:46,270 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:29:46,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2024-11-08 19:29:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:29:47,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 19:29:47,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:29:48,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 19:29:50,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-08 19:29:51,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-11-08 19:29:51,121 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:29:51,121 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:29:51,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [539104892] [2024-11-08 19:29:51,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [539104892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:29:51,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:29:51,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 19:29:51,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359933453] [2024-11-08 19:29:51,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:29:51,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 19:29:51,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:29:51,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 19:29:51,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:29:51,124 INFO L87 Difference]: Start difference. First operand 458 states and 517 transitions. Second operand has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-08 19:29:58,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:30:03,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:30:07,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:30:16,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:30:20,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:30:24,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:30:26,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:30:26,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:30:26,586 INFO L93 Difference]: Finished difference Result 1205 states and 1349 transitions. [2024-11-08 19:30:26,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 19:30:26,587 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 216 [2024-11-08 19:30:26,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:30:26,590 INFO L225 Difference]: With dead ends: 1205 [2024-11-08 19:30:26,591 INFO L226 Difference]: Without dead ends: 838 [2024-11-08 19:30:26,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:30:26,592 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 222 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 81 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:30:26,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 776 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 428 Invalid, 6 Unknown, 0 Unchecked, 33.9s Time] [2024-11-08 19:30:26,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-08 19:30:26,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 582. [2024-11-08 19:30:26,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 494 states have (on average 1.0991902834008098) internal successors, (543), 499 states have internal predecessors, (543), 60 states have call successors, (60), 27 states have call predecessors, (60), 27 states have return successors, (60), 55 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-08 19:30:26,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 663 transitions. [2024-11-08 19:30:26,779 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 663 transitions. Word has length 216 [2024-11-08 19:30:26,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:30:26,780 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 663 transitions. [2024-11-08 19:30:26,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-08 19:30:26,780 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 663 transitions. [2024-11-08 19:30:26,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-08 19:30:26,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:30:26,782 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:30:26,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2024-11-08 19:30:26,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:30:26,982 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:30:26,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:30:26,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1704938608, now seen corresponding path program 1 times [2024-11-08 19:30:26,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:30:26,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1527668177] [2024-11-08 19:30:26,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:30:26,984 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:30:26,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:30:26,985 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:30:26,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2024-11-08 19:30:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:30:27,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 19:30:27,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:30:27,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-08 19:30:28,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 19:30:29,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-08 19:30:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 1139 trivial. 0 not checked. [2024-11-08 19:30:29,758 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:30:30,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 1139 trivial. 0 not checked. [2024-11-08 19:30:30,600 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:30:30,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1527668177] [2024-11-08 19:30:30,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1527668177] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:30:30,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:30:30,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-08 19:30:30,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23994528] [2024-11-08 19:30:30,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:30:30,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:30:30,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:30:30,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:30:30,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:30:30,602 INFO L87 Difference]: Start difference. First operand 582 states and 663 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:30:31,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:30:31,566 INFO L93 Difference]: Finished difference Result 1114 states and 1268 transitions. [2024-11-08 19:30:31,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:30:31,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 217 [2024-11-08 19:30:31,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:30:31,569 INFO L225 Difference]: With dead ends: 1114 [2024-11-08 19:30:31,569 INFO L226 Difference]: Without dead ends: 594 [2024-11-08 19:30:31,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:30:31,570 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 18 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:30:31,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 423 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 19:30:31,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2024-11-08 19:30:31,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 428. [2024-11-08 19:30:31,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 367 states have (on average 1.0871934604904632) internal successors, (399), 370 states have internal predecessors, (399), 41 states have call successors, (41), 19 states have call predecessors, (41), 19 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-08 19:30:31,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 481 transitions. [2024-11-08 19:30:31,672 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 481 transitions. Word has length 217 [2024-11-08 19:30:31,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:30:31,673 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 481 transitions. [2024-11-08 19:30:31,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:30:31,673 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 481 transitions. [2024-11-08 19:30:31,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-08 19:30:31,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:30:31,674 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 19:30:31,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Forceful destruction successful, exit code 0 [2024-11-08 19:30:31,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:30:31,875 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:30:31,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:30:31,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1815525728, now seen corresponding path program 1 times [2024-11-08 19:30:31,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:30:31,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2398353] [2024-11-08 19:30:31,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:30:31,876 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:30:31,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:30:31,879 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:30:31,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2024-11-08 19:30:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:30:33,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-08 19:30:33,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:30:33,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:30:33,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:30:34,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2024-11-08 19:30:35,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 43 [2024-11-08 19:30:41,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-11-08 19:30:44,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2024-11-08 19:30:44,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2024-11-08 19:30:44,642 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:30:44,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 32 [2024-11-08 19:30:45,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 554 proven. 15 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2024-11-08 19:30:45,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:31:01,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 1138 trivial. 0 not checked. [2024-11-08 19:31:01,133 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:31:01,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2398353] [2024-11-08 19:31:01,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2398353] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:31:01,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:31:01,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [27] total 39 [2024-11-08 19:31:01,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915057231] [2024-11-08 19:31:01,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:31:01,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 19:31:01,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:31:01,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 19:31:01,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=1229, Unknown=0, NotChecked=0, Total=1482 [2024-11-08 19:31:01,136 INFO L87 Difference]: Start difference. First operand 428 states and 481 transitions. Second operand has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 14 states have internal predecessors, (86), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:31:13,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:31:20,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:31:24,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:31:28,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:31:37,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:31:37,454 INFO L93 Difference]: Finished difference Result 831 states and 932 transitions. [2024-11-08 19:31:37,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 19:31:37,462 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 14 states have internal predecessors, (86), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 222 [2024-11-08 19:31:37,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:31:37,464 INFO L225 Difference]: With dead ends: 831 [2024-11-08 19:31:37,464 INFO L226 Difference]: Without dead ends: 465 [2024-11-08 19:31:37,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 28.1s TimeCoverageRelationStatistics Valid=427, Invalid=1829, Unknown=0, NotChecked=0, Total=2256 [2024-11-08 19:31:37,465 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 194 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 27 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:31:37,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 766 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 485 Invalid, 4 Unknown, 0 Unchecked, 29.6s Time] [2024-11-08 19:31:37,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-08 19:31:37,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 428. [2024-11-08 19:31:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 367 states have (on average 1.0844686648501363) internal successors, (398), 370 states have internal predecessors, (398), 41 states have call successors, (41), 19 states have call predecessors, (41), 19 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-08 19:31:37,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 480 transitions. [2024-11-08 19:31:37,597 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 480 transitions. Word has length 222 [2024-11-08 19:31:37,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:31:37,597 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 480 transitions. [2024-11-08 19:31:37,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 14 states have internal predecessors, (86), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:31:37,597 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 480 transitions. [2024-11-08 19:31:37,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-08 19:31:37,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:31:37,604 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:31:37,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2024-11-08 19:31:37,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:31:37,805 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:31:37,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:31:37,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1213223625, now seen corresponding path program 1 times [2024-11-08 19:31:37,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:31:37,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143220157] [2024-11-08 19:31:37,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:31:37,806 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:31:37,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:31:37,808 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:31:37,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2024-11-08 19:31:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:31:38,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:31:38,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:31:39,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2024-11-08 19:31:39,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 267 proven. 6 refuted. 0 times theorem prover too weak. 888 trivial. 0 not checked. [2024-11-08 19:31:39,538 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:31:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2024-11-08 19:31:40,388 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:31:40,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143220157] [2024-11-08 19:31:40,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [143220157] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:31:40,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:31:40,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 19:31:40,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709277631] [2024-11-08 19:31:40,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:31:40,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:31:40,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:31:40,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:31:40,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:31:40,390 INFO L87 Difference]: Start difference. First operand 428 states and 480 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:31:41,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:31:41,008 INFO L93 Difference]: Finished difference Result 858 states and 962 transitions. [2024-11-08 19:31:41,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:31:41,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 226 [2024-11-08 19:31:41,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:31:41,011 INFO L225 Difference]: With dead ends: 858 [2024-11-08 19:31:41,011 INFO L226 Difference]: Without dead ends: 492 [2024-11-08 19:31:41,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:31:41,013 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 94 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:31:41,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 414 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:31:41,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-08 19:31:41,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 428. [2024-11-08 19:31:41,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 367 states have (on average 1.0817438692098094) internal successors, (397), 370 states have internal predecessors, (397), 41 states have call successors, (41), 19 states have call predecessors, (41), 19 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-08 19:31:41,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 479 transitions. [2024-11-08 19:31:41,146 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 479 transitions. Word has length 226 [2024-11-08 19:31:41,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:31:41,147 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 479 transitions. [2024-11-08 19:31:41,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:31:41,147 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 479 transitions. [2024-11-08 19:31:41,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-08 19:31:41,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:31:41,149 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:31:41,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Ended with exit code 0 [2024-11-08 19:31:41,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:31:41,350 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:31:41,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:31:41,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1801879993, now seen corresponding path program 1 times [2024-11-08 19:31:41,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:31:41,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [8384410] [2024-11-08 19:31:41,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:31:41,353 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:31:41,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:31:41,356 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:31:41,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2024-11-08 19:31:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:31:42,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 19:31:42,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:31:42,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 19:31:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2024-11-08 19:31:43,259 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:31:43,259 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:31:43,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [8384410] [2024-11-08 19:31:43,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [8384410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:31:43,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:31:43,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 19:31:43,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544559781] [2024-11-08 19:31:43,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:31:43,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 19:31:43,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:31:43,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 19:31:43,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:31:43,261 INFO L87 Difference]: Start difference. First operand 428 states and 479 transitions. Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:31:45,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:31:45,606 INFO L93 Difference]: Finished difference Result 893 states and 1013 transitions. [2024-11-08 19:31:45,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 19:31:45,607 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 226 [2024-11-08 19:31:45,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:31:45,609 INFO L225 Difference]: With dead ends: 893 [2024-11-08 19:31:45,609 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 19:31:45,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:31:45,610 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 80 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:31:45,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 1530 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 19:31:45,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 19:31:45,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 19:31:45,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:31:45,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 19:31:45,614 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2024-11-08 19:31:45,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:31:45,614 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 19:31:45,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 19:31:45,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 19:31:45,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 19:31:45,618 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:31:45,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Ended with exit code 0 [2024-11-08 19:31:45,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e551f73-fd0a-470d-a835-91deffe8c01c/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:31:45,827 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:31:45,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 19:32:30,493 WARN L286 SmtUtils]: Spent 40.99s on a formula simplification. DAG size of input: 268 DAG size of output: 1086 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)