./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB --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 06557c270490180718c8b17df780a67c95f9f8a79364859de2d5e3b0ea99ce3e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:54:26,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:54:26,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:54:26,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:54:26,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:54:26,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:54:26,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:54:26,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:54:26,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:54:26,921 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:54:26,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:54:26,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:54:26,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:54:26,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:54:26,924 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:54:26,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:54:26,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:54:26,925 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:54:26,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:54:26,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:54:26,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:54:26,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:54:26,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:54:26,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:54:26,926 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:54:26,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:54:26,926 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:54:26,926 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:54:26,926 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:54:26,926 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:54:26,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:54:26,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:54:26,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:54:26,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:54:26,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:54:26,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:54:26,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:54:26,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:54:26,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:54:26,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:54:26,929 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:54:26,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:54:26,929 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:54:26,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:54:26,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:54:26,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:54:26,930 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:54:26,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:54:26,930 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 06557c270490180718c8b17df780a67c95f9f8a79364859de2d5e3b0ea99ce3e [2024-11-28 03:54:27,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:54:27,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:54:27,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:54:27,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:54:27,318 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:54:27,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i [2024-11-28 03:54:30,505 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/data/d6197380e/8d9c0b91038240e09ab535428a2f5066/FLAGd54b8506c [2024-11-28 03:54:30,842 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:54:30,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i [2024-11-28 03:54:30,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/data/d6197380e/8d9c0b91038240e09ab535428a2f5066/FLAGd54b8506c [2024-11-28 03:54:30,881 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/data/d6197380e/8d9c0b91038240e09ab535428a2f5066 [2024-11-28 03:54:30,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:54:30,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:54:30,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:54:30,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:54:30,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:54:30,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:54:30" (1/1) ... [2024-11-28 03:54:30,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f6ad4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:30, skipping insertion in model container [2024-11-28 03:54:30,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:54:30" (1/1) ... [2024-11-28 03:54:30,927 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:54:31,109 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_1c0e94b1-a8ca-4dda-8158-10b071b02a00/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i[916,929] [2024-11-28 03:54:31,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:54:31,232 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:54:31,246 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_1c0e94b1-a8ca-4dda-8158-10b071b02a00/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i[916,929] [2024-11-28 03:54:31,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:54:31,314 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:54:31,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:31 WrapperNode [2024-11-28 03:54:31,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:54:31,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:54:31,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:54:31,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:54:31,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:31" (1/1) ... [2024-11-28 03:54:31,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:31" (1/1) ... [2024-11-28 03:54:31,372 INFO L138 Inliner]: procedures = 29, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 476 [2024-11-28 03:54:31,372 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:54:31,373 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:54:31,373 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:54:31,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:54:31,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:31" (1/1) ... [2024-11-28 03:54:31,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:31" (1/1) ... [2024-11-28 03:54:31,389 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:31" (1/1) ... [2024-11-28 03:54:31,423 INFO L175 MemorySlicer]: Split 131 memory accesses to 6 slices as follows [2, 16, 23, 31, 7, 52]. 40 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 2, 2, 2, 1, 4]. The 18 writes are split as follows [0, 2, 5, 5, 2, 4]. [2024-11-28 03:54:31,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:31" (1/1) ... [2024-11-28 03:54:31,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:31" (1/1) ... [2024-11-28 03:54:31,461 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:31" (1/1) ... [2024-11-28 03:54:31,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:31" (1/1) ... [2024-11-28 03:54:31,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:31" (1/1) ... [2024-11-28 03:54:31,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:31" (1/1) ... [2024-11-28 03:54:31,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:31" (1/1) ... [2024-11-28 03:54:31,487 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:54:31,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:54:31,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:54:31,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:54:31,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:31" (1/1) ... [2024-11-28 03:54:31,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:54:31,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:31,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:54:31,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:54:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:54:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 03:54:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 03:54:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-28 03:54:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-28 03:54:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-28 03:54:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-28 03:54:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:54:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:54:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:54:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:54:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:54:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:54:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 03:54:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 03:54:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-28 03:54:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-28 03:54:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-28 03:54:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-28 03:54:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:54:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:54:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:54:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:54:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:54:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:54:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-28 03:54:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-28 03:54:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-28 03:54:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-28 03:54:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-28 03:54:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-28 03:54:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:54:31,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:54:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:54:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:54:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:54:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:54:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:54:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:54:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:54:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:54:31,721 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:54:31,723 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:54:32,393 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-28 03:54:32,393 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:54:32,410 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:54:32,410 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:54:32,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:54:32 BoogieIcfgContainer [2024-11-28 03:54:32,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:54:32,416 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:54:32,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:54:32,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:54:32,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:54:30" (1/3) ... [2024-11-28 03:54:32,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f554946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:54:32, skipping insertion in model container [2024-11-28 03:54:32,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:31" (2/3) ... [2024-11-28 03:54:32,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f554946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:54:32, skipping insertion in model container [2024-11-28 03:54:32,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:54:32" (3/3) ... [2024-11-28 03:54:32,427 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-69.i [2024-11-28 03:54:32,449 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:54:32,451 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-69.i that has 2 procedures, 94 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:54:32,548 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:54:32,565 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;@32bea2f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:54:32,567 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:54:32,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 77 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 03:54:32,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 03:54:32,586 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:32,587 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:32,588 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:32,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:32,597 INFO L85 PathProgramCache]: Analyzing trace with hash 849212081, now seen corresponding path program 1 times [2024-11-28 03:54:32,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:32,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172646809] [2024-11-28 03:54:32,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:32,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-28 03:54:33,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:33,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172646809] [2024-11-28 03:54:33,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172646809] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:54:33,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445967522] [2024-11-28 03:54:33,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:33,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:33,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:33,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:54:33,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:54:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:33,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:54:33,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:33,399 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-28 03:54:33,403 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:54:33,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445967522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:33,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:54:33,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:54:33,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667649243] [2024-11-28 03:54:33,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:33,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:54:33,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:33,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:54:33,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:54:33,441 INFO L87 Difference]: Start difference. First operand has 94 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 77 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 03:54:33,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:33,470 INFO L93 Difference]: Finished difference Result 181 states and 287 transitions. [2024-11-28 03:54:33,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:54:33,474 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2024-11-28 03:54:33,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:33,482 INFO L225 Difference]: With dead ends: 181 [2024-11-28 03:54:33,482 INFO L226 Difference]: Without dead ends: 90 [2024-11-28 03:54:33,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:54:33,489 INFO L435 NwaCegarLoop]: 132 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, 132 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 [2024-11-28 03:54:33,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:54:33,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-28 03:54:33,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-28 03:54:33,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 73 states have internal predecessors, (102), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 03:54:33,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 132 transitions. [2024-11-28 03:54:33,534 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 132 transitions. Word has length 119 [2024-11-28 03:54:33,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:33,534 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 132 transitions. [2024-11-28 03:54:33,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 03:54:33,536 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2024-11-28 03:54:33,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 03:54:33,538 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:33,539 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:33,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:54:33,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:33,742 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:33,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:33,742 INFO L85 PathProgramCache]: Analyzing trace with hash -392504257, now seen corresponding path program 1 times [2024-11-28 03:54:33,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:33,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349749159] [2024-11-28 03:54:33,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:33,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-28 03:54:34,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:34,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349749159] [2024-11-28 03:54:34,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349749159] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:54:34,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385000565] [2024-11-28 03:54:34,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:34,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:34,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:34,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:54:34,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:54:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:34,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:54:34,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:34,780 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 03:54:34,780 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:54:34,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385000565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:34,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:54:34,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-28 03:54:34,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379902615] [2024-11-28 03:54:34,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:34,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:54:34,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:34,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:54:34,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:54:34,787 INFO L87 Difference]: Start difference. First operand 90 states and 132 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:34,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:34,857 INFO L93 Difference]: Finished difference Result 179 states and 264 transitions. [2024-11-28 03:54:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:54:34,859 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2024-11-28 03:54:34,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:34,861 INFO L225 Difference]: With dead ends: 179 [2024-11-28 03:54:34,861 INFO L226 Difference]: Without dead ends: 92 [2024-11-28 03:54:34,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:54:34,864 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:34,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 379 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:54:34,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-28 03:54:34,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-28 03:54:34,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 75 states have internal predecessors, (104), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 03:54:34,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 134 transitions. [2024-11-28 03:54:34,884 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 134 transitions. Word has length 119 [2024-11-28 03:54:34,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:34,885 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 134 transitions. [2024-11-28 03:54:34,885 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:34,886 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2024-11-28 03:54:34,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 03:54:34,887 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:34,887 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:34,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:54:35,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-28 03:54:35,088 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:35,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:35,089 INFO L85 PathProgramCache]: Analyzing trace with hash 2143453626, now seen corresponding path program 1 times [2024-11-28 03:54:35,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:35,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237437426] [2024-11-28 03:54:35,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:35,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:54:35,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1936691658] [2024-11-28 03:54:35,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:35,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:35,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:35,322 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:54:35,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:54:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:35,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 03:54:35,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:36,170 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:54:36,173 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 51 treesize of output 19 [2024-11-28 03:54:36,206 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 03:54:36,207 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:54:36,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:36,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237437426] [2024-11-28 03:54:36,208 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:54:36,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936691658] [2024-11-28 03:54:36,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936691658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:36,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:36,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:54:36,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426403318] [2024-11-28 03:54:36,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:36,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:54:36,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:36,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:54:36,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:54:36,215 INFO L87 Difference]: Start difference. First operand 92 states and 134 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:36,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:36,769 INFO L93 Difference]: Finished difference Result 247 states and 359 transitions. [2024-11-28 03:54:36,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:54:36,770 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 121 [2024-11-28 03:54:36,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:36,773 INFO L225 Difference]: With dead ends: 247 [2024-11-28 03:54:36,773 INFO L226 Difference]: Without dead ends: 158 [2024-11-28 03:54:36,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:54:36,774 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 85 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:36,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 755 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:54:36,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-28 03:54:36,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2024-11-28 03:54:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 130 states have (on average 1.3923076923076922) internal successors, (181), 131 states have internal predecessors, (181), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 03:54:36,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 225 transitions. [2024-11-28 03:54:36,808 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 225 transitions. Word has length 121 [2024-11-28 03:54:36,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:36,809 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 225 transitions. [2024-11-28 03:54:36,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:36,814 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2024-11-28 03:54:36,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 03:54:36,816 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:36,816 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:36,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:54:37,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-28 03:54:37,017 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:37,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:37,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1556647612, now seen corresponding path program 1 times [2024-11-28 03:54:37,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:37,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310142177] [2024-11-28 03:54:37,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:37,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 03:54:38,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:38,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310142177] [2024-11-28 03:54:38,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310142177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:38,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:38,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:54:38,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039479095] [2024-11-28 03:54:38,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:38,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:54:38,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:38,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:54:38,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:54:38,397 INFO L87 Difference]: Start difference. First operand 155 states and 225 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:39,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:39,183 INFO L93 Difference]: Finished difference Result 507 states and 735 transitions. [2024-11-28 03:54:39,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:54:39,184 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 121 [2024-11-28 03:54:39,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:39,192 INFO L225 Difference]: With dead ends: 507 [2024-11-28 03:54:39,193 INFO L226 Difference]: Without dead ends: 355 [2024-11-28 03:54:39,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:54:39,195 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 242 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:39,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 725 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:54:39,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-28 03:54:39,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 349. [2024-11-28 03:54:39,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 294 states have (on average 1.3911564625850341) internal successors, (409), 298 states have internal predecessors, (409), 49 states have call successors, (49), 5 states have call predecessors, (49), 5 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-28 03:54:39,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 507 transitions. [2024-11-28 03:54:39,286 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 507 transitions. Word has length 121 [2024-11-28 03:54:39,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:39,289 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 507 transitions. [2024-11-28 03:54:39,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:39,289 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 507 transitions. [2024-11-28 03:54:39,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 03:54:39,295 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:39,296 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:39,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:54:39,296 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:39,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:39,296 INFO L85 PathProgramCache]: Analyzing trace with hash 454509884, now seen corresponding path program 1 times [2024-11-28 03:54:39,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:39,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173487295] [2024-11-28 03:54:39,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:39,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 03:54:39,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:39,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173487295] [2024-11-28 03:54:39,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173487295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:39,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:39,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:54:39,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189482684] [2024-11-28 03:54:39,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:39,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:54:39,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:39,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:54:39,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:54:39,894 INFO L87 Difference]: Start difference. First operand 349 states and 507 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:40,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:40,390 INFO L93 Difference]: Finished difference Result 767 states and 1111 transitions. [2024-11-28 03:54:40,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:54:40,391 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 121 [2024-11-28 03:54:40,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:40,394 INFO L225 Difference]: With dead ends: 767 [2024-11-28 03:54:40,395 INFO L226 Difference]: Without dead ends: 421 [2024-11-28 03:54:40,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:54:40,397 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 90 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:40,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 749 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:54:40,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-28 03:54:40,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 360. [2024-11-28 03:54:40,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 304 states have (on average 1.388157894736842) internal successors, (422), 308 states have internal predecessors, (422), 49 states have call successors, (49), 6 states have call predecessors, (49), 6 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-28 03:54:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 520 transitions. [2024-11-28 03:54:40,450 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 520 transitions. Word has length 121 [2024-11-28 03:54:40,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:40,452 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 520 transitions. [2024-11-28 03:54:40,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:40,453 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 520 transitions. [2024-11-28 03:54:40,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 03:54:40,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:40,455 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:40,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:54:40,455 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:40,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:40,456 INFO L85 PathProgramCache]: Analyzing trace with hash -132296130, now seen corresponding path program 1 times [2024-11-28 03:54:40,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:40,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272646743] [2024-11-28 03:54:40,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:40,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:54:40,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1216697725] [2024-11-28 03:54:40,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:40,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:40,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:40,586 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:54:40,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:54:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:41,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 03:54:41,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:41,204 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:54:41,204 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 51 treesize of output 19 [2024-11-28 03:54:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 03:54:41,233 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:54:41,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:41,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272646743] [2024-11-28 03:54:41,233 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:54:41,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216697725] [2024-11-28 03:54:41,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216697725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:41,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:41,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:54:41,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028602690] [2024-11-28 03:54:41,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:41,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:54:41,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:41,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:54:41,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:54:41,236 INFO L87 Difference]: Start difference. First operand 360 states and 520 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:41,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:41,881 INFO L93 Difference]: Finished difference Result 831 states and 1198 transitions. [2024-11-28 03:54:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:54:41,882 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 121 [2024-11-28 03:54:41,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:41,886 INFO L225 Difference]: With dead ends: 831 [2024-11-28 03:54:41,886 INFO L226 Difference]: Without dead ends: 474 [2024-11-28 03:54:41,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:54:41,888 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 77 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:41,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1114 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:54:41,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-11-28 03:54:41,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 421. [2024-11-28 03:54:41,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 357 states have (on average 1.3865546218487395) internal successors, (495), 362 states have internal predecessors, (495), 56 states have call successors, (56), 7 states have call predecessors, (56), 7 states have return successors, (56), 51 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-28 03:54:41,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 607 transitions. [2024-11-28 03:54:41,940 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 607 transitions. Word has length 121 [2024-11-28 03:54:41,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:41,940 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 607 transitions. [2024-11-28 03:54:41,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:41,941 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 607 transitions. [2024-11-28 03:54:41,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 03:54:41,942 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:41,943 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:41,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:54:42,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:42,148 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:42,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:42,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1337792894, now seen corresponding path program 1 times [2024-11-28 03:54:42,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:42,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566862804] [2024-11-28 03:54:42,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:42,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:42,770 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 03:54:42,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:42,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566862804] [2024-11-28 03:54:42,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566862804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:42,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:42,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:54:42,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400669170] [2024-11-28 03:54:42,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:42,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:54:42,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:42,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:54:42,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:54:42,776 INFO L87 Difference]: Start difference. First operand 421 states and 607 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:43,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:43,503 INFO L93 Difference]: Finished difference Result 1091 states and 1561 transitions. [2024-11-28 03:54:43,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:54:43,504 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 121 [2024-11-28 03:54:43,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:43,508 INFO L225 Difference]: With dead ends: 1091 [2024-11-28 03:54:43,509 INFO L226 Difference]: Without dead ends: 673 [2024-11-28 03:54:43,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:54:43,511 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 274 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:43,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 576 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:54:43,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2024-11-28 03:54:43,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 301. [2024-11-28 03:54:43,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 254 states have (on average 1.3818897637795275) internal successors, (351), 257 states have internal predecessors, (351), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 03:54:43,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 431 transitions. [2024-11-28 03:54:43,570 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 431 transitions. Word has length 121 [2024-11-28 03:54:43,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:43,570 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 431 transitions. [2024-11-28 03:54:43,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:43,571 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 431 transitions. [2024-11-28 03:54:43,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 03:54:43,572 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:43,573 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:43,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:54:43,573 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:43,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:43,573 INFO L85 PathProgramCache]: Analyzing trace with hash 224505005, now seen corresponding path program 1 times [2024-11-28 03:54:43,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:43,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344208155] [2024-11-28 03:54:43,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:43,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:44,020 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 03:54:44,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:44,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344208155] [2024-11-28 03:54:44,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344208155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:44,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:44,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:54:44,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94066404] [2024-11-28 03:54:44,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:44,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:54:44,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:44,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:54:44,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:54:44,023 INFO L87 Difference]: Start difference. First operand 301 states and 431 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:44,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:44,260 INFO L93 Difference]: Finished difference Result 672 states and 958 transitions. [2024-11-28 03:54:44,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:54:44,260 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 122 [2024-11-28 03:54:44,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:44,264 INFO L225 Difference]: With dead ends: 672 [2024-11-28 03:54:44,266 INFO L226 Difference]: Without dead ends: 374 [2024-11-28 03:54:44,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:54:44,268 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 109 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:44,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 988 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:54:44,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-28 03:54:44,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 305. [2024-11-28 03:54:44,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 255 states have (on average 1.3725490196078431) internal successors, (350), 258 states have internal predecessors, (350), 42 states have call successors, (42), 7 states have call predecessors, (42), 7 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-28 03:54:44,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 434 transitions. [2024-11-28 03:54:44,343 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 434 transitions. Word has length 122 [2024-11-28 03:54:44,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:44,343 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 434 transitions. [2024-11-28 03:54:44,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:44,343 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 434 transitions. [2024-11-28 03:54:44,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 03:54:44,349 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:44,349 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:44,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:54:44,349 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:44,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:44,350 INFO L85 PathProgramCache]: Analyzing trace with hash -178316306, now seen corresponding path program 1 times [2024-11-28 03:54:44,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:44,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068708859] [2024-11-28 03:54:44,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:44,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:44,942 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 03:54:44,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:44,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068708859] [2024-11-28 03:54:44,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068708859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:44,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:44,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:54:44,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979807267] [2024-11-28 03:54:44,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:44,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:54:44,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:44,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:54:44,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:54:44,945 INFO L87 Difference]: Start difference. First operand 305 states and 434 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:45,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:45,161 INFO L93 Difference]: Finished difference Result 858 states and 1221 transitions. [2024-11-28 03:54:45,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:54:45,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 122 [2024-11-28 03:54:45,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:45,166 INFO L225 Difference]: With dead ends: 858 [2024-11-28 03:54:45,167 INFO L226 Difference]: Without dead ends: 556 [2024-11-28 03:54:45,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:54:45,170 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 76 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:45,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 674 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:54:45,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-28 03:54:45,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 550. [2024-11-28 03:54:45,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 476 states have (on average 1.3802521008403361) internal successors, (657), 483 states have internal predecessors, (657), 62 states have call successors, (62), 11 states have call predecessors, (62), 11 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-28 03:54:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 781 transitions. [2024-11-28 03:54:45,260 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 781 transitions. Word has length 122 [2024-11-28 03:54:45,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:45,261 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 781 transitions. [2024-11-28 03:54:45,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:45,262 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 781 transitions. [2024-11-28 03:54:45,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 03:54:45,264 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:45,264 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:45,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:54:45,265 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:45,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:45,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1961000661, now seen corresponding path program 1 times [2024-11-28 03:54:45,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:45,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103148007] [2024-11-28 03:54:45,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:45,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:54:45,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [211279058] [2024-11-28 03:54:45,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:45,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:45,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:45,389 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:54:45,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:54:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:45,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-28 03:54:45,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:45,917 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:54:45,917 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 17 treesize of output 7 [2024-11-28 03:54:45,939 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 [2024-11-28 03:54:45,947 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 [2024-11-28 03:54:45,952 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 [2024-11-28 03:54:46,117 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:54:46,117 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 51 treesize of output 19 [2024-11-28 03:54:46,173 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 03:54:46,173 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:54:46,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:46,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103148007] [2024-11-28 03:54:46,173 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:54:46,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211279058] [2024-11-28 03:54:46,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211279058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:46,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:46,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:54:46,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957313677] [2024-11-28 03:54:46,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:46,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:54:46,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:46,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:54:46,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:54:46,175 INFO L87 Difference]: Start difference. First operand 550 states and 781 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:47,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:47,428 INFO L93 Difference]: Finished difference Result 1349 states and 1914 transitions. [2024-11-28 03:54:47,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:54:47,429 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 125 [2024-11-28 03:54:47,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:47,439 INFO L225 Difference]: With dead ends: 1349 [2024-11-28 03:54:47,440 INFO L226 Difference]: Without dead ends: 802 [2024-11-28 03:54:47,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:54:47,443 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 87 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:47,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 510 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 03:54:47,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2024-11-28 03:54:47,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 518. [2024-11-28 03:54:47,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 460 states have (on average 1.391304347826087) internal successors, (640), 465 states have internal predecessors, (640), 48 states have call successors, (48), 9 states have call predecessors, (48), 9 states have return successors, (48), 43 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-28 03:54:47,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 736 transitions. [2024-11-28 03:54:47,529 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 736 transitions. Word has length 125 [2024-11-28 03:54:47,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:47,531 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 736 transitions. [2024-11-28 03:54:47,531 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 736 transitions. [2024-11-28 03:54:47,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 03:54:47,534 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:47,534 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:47,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:54:47,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 03:54:47,739 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:47,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:47,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1702835223, now seen corresponding path program 1 times [2024-11-28 03:54:47,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:47,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374788313] [2024-11-28 03:54:47,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:47,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:54:47,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1258905534] [2024-11-28 03:54:47,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:47,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:47,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:47,892 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:54:47,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:54:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:54:48,537 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:54:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:54:49,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:54:49,045 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:54:49,046 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:54:49,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 03:54:49,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:49,254 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:49,382 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:54:49,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:54:49 BoogieIcfgContainer [2024-11-28 03:54:49,389 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:54:49,389 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:54:49,390 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:54:49,390 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:54:49,391 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:54:32" (3/4) ... [2024-11-28 03:54:49,393 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:54:49,394 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:54:49,395 INFO L158 Benchmark]: Toolchain (without parser) took 18509.10ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 119.1MB in the beginning and 312.8MB in the end (delta: -193.7MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2024-11-28 03:54:49,395 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:54:49,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.30ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 104.0MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:54:49,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.78ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 100.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:54:49,397 INFO L158 Benchmark]: Boogie Preprocessor took 114.29ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 96.5MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:54:49,397 INFO L158 Benchmark]: RCFGBuilder took 922.54ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 65.8MB in the end (delta: 30.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:54:49,397 INFO L158 Benchmark]: TraceAbstraction took 16973.03ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 65.3MB in the beginning and 312.9MB in the end (delta: -247.6MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-11-28 03:54:49,398 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 411.0MB. Free memory was 312.9MB in the beginning and 312.8MB in the end (delta: 54.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:54:49,400 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.30ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 104.0MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.78ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 100.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 114.29ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 96.5MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 922.54ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 65.8MB in the end (delta: 30.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 16973.03ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 65.3MB in the beginning and 312.9MB in the end (delta: -247.6MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 411.0MB. Free memory was 312.9MB in the beginning and 312.8MB in the end (delta: 54.6kB). Peak memory consumption was 8.4MB. 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 someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L25-L27] double double_Array_0[2] = { 15.5, 4.625 }; [L25-L27] double double_Array_0[2] = { 15.5, 4.625 }; [L25-L27] double double_Array_0[2] = { 15.5, 4.625 }; [L28-L30] signed char signed_char_Array_0[2] = { -8, -64 }; [L28-L30] signed char signed_char_Array_0[2] = { -8, -64 }; [L28-L30] signed char signed_char_Array_0[2] = { -8, -64 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { -100 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { -100 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2][2] = { {500, 8}, {256, 0} }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2][2] = { {500, 8}, {256, 0} }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2][2] = { {500, 8}, {256, 0} }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2][2] = { {500, 8}, {256, 0} }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2][2] = { {500, 8}, {256, 0} }; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=0, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L110] isInitial = 1 [L111] FCALL initially() [L113] FCALL updateLastVariables() [L114] CALL updateVariables() [L79] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L80] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] 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}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] 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}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] 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}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] 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}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L83] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] double_Array_0[0] = __VERIFIER_nondet_double() [L86] EXPR double_Array_0[0] [L86] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F [L86] EXPR double_Array_0[0] [L86] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] EXPR (double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] EXPR (double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] signed_char_Array_0[0] = __VERIFIER_nondet_char() [L88] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] CALL assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] RET assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] CALL assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] RET assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L90] unsigned_long_int_Array_0[0][0] = __VERIFIER_nondet_ulong() [L91] EXPR unsigned_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] RET assume_abort_if_not(unsigned_long_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] EXPR unsigned_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][0] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] RET assume_abort_if_not(unsigned_long_int_Array_0[0][0] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L93] unsigned_long_int_Array_0[1][0] = __VERIFIER_nondet_ulong() [L94] EXPR unsigned_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L95] EXPR unsigned_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L95] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L95] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L96] unsigned_long_int_Array_0[0][1] = __VERIFIER_nondet_ulong() [L97] EXPR unsigned_long_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L97] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L97] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR unsigned_long_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L99] unsigned_long_int_Array_0[1][1] = __VERIFIER_nondet_ulong() [L100] EXPR unsigned_long_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L100] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L100] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L101] EXPR unsigned_long_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L101] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L101] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L114] RET updateVariables() [L115] CALL step() [L40] EXPR unsigned_long_int_Array_0[1][1] [L40] EXPR unsigned_long_int_Array_0[1][0] [L40] EXPR unsigned_long_int_Array_0[0][0] [L40] EXPR unsigned_long_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L40] EXPR (((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1]) [L40] EXPR unsigned_long_int_Array_0[0][1] [L40] EXPR (((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L40] COND TRUE unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1]))) [L41] EXPR signed_char_Array_0[0] [L41] signed_char_Array_0[1] = signed_char_Array_0[0] [L53] EXPR unsigned_long_int_Array_0[0][0] [L53] unsigned long int stepLocal_1 = unsigned_long_int_Array_0[0][0]; [L54] EXPR unsigned_long_int_Array_0[1][1] [L54] EXPR unsigned_long_int_Array_0[0][1] [L54] EXPR unsigned_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L54] EXPR ((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]) [L54] EXPR unsigned_long_int_Array_0[0][1] [L54] EXPR ((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, stepLocal_1=4294967296, unsigned_long_int_Array_0={8:0}] [L54] unsigned long int stepLocal_0 = unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]))); [L55] EXPR unsigned_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L55] COND FALSE !(stepLocal_0 < unsigned_long_int_Array_0[0][0]) [L62] EXPR BOOL_unsigned_char_Array_0[0] [L62] unsigned char stepLocal_3 = BOOL_unsigned_char_Array_0[0]; [L63] EXPR signed_short_int_Array_0[0] [L63] EXPR signed_char_Array_0[1] [L63] signed long int stepLocal_2 = signed_short_int_Array_0[0] + signed_char_Array_0[1]; [L64] EXPR signed_char_Array_0[1] [L64] EXPR signed_char_Array_0[0] [L64] EXPR unsigned_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L64] COND FALSE !(((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && stepLocal_3) [L75] EXPR double_Array_0[0] [L75] double_Array_0[1] = double_Array_0[0] [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR unsigned_long_int_Array_0[1][1] [L106] EXPR unsigned_long_int_Array_0[0][1] [L106] EXPR unsigned_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] EXPR ((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]) [L106] EXPR unsigned_long_int_Array_0[0][1] [L106] EXPR ((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] EXPR unsigned_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] EXPR ((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1 [L106] EXPR ((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] EXPR (((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1) && ((unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] EXPR (((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1) && ((unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4))))) [L106] EXPR unsigned_long_int_Array_0[1][1] [L106] EXPR unsigned_long_int_Array_0[1][0] [L106] EXPR unsigned_long_int_Array_0[0][0] [L106] EXPR unsigned_long_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] EXPR (((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1]) [L106] EXPR unsigned_long_int_Array_0[0][1] [L106] EXPR (((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] EXPR (unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4)))) [L106] EXPR signed_char_Array_0[1] [L106] EXPR signed_char_Array_0[0] [L106] EXPR (unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4)))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] EXPR (((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1) && ((unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] EXPR ((((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1) && ((unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4)))))) && ((((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (((signed_short_int_Array_0[0] + signed_char_Array_0[1]) != signed_char_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] EXPR ((((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1) && ((unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4)))))) && ((((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (((signed_short_int_Array_0[0] + signed_char_Array_0[1]) != signed_char_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) [L106] EXPR signed_char_Array_0[1] [L106] EXPR signed_char_Array_0[0] [L106] EXPR unsigned_long_int_Array_0[1][0] [L106] EXPR ((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] EXPR ((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0] [L106] EXPR BOOL_unsigned_char_Array_0[0] [L106] EXPR ((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] EXPR (((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (((signed_short_int_Array_0[0] + signed_char_Array_0[1]) != signed_char_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0])) [L106] EXPR double_Array_0[1] [L106] EXPR double_Array_0[0] [L106] EXPR (((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (((signed_short_int_Array_0[0] + signed_char_Array_0[1]) != signed_char_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] EXPR ((((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1) && ((unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4)))))) && ((((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (((signed_short_int_Array_0[0] + signed_char_Array_0[1]) != signed_char_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106-L107] return ((((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1) && ((unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4)))))) && ((((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (((signed_short_int_Array_0[0] + signed_char_Array_0[1]) != signed_char_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.7s, OverallIterations: 11, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1040 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1040 mSDsluCounter, 6602 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5048 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1568 IncrementalHoareTripleChecker+Invalid, 1626 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 1554 mSDtfsCounter, 1568 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 658 GetRequests, 600 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=550occurred in iteration=9, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 854 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 2067 NumberOfCodeBlocks, 2067 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1438 ConstructedInterpolants, 0 QuantifiedInterpolants, 3049 SizeOfPredicates, 17 NumberOfNonLiveVariables, 2154 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 4970/5040 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:54:49,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB --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 06557c270490180718c8b17df780a67c95f9f8a79364859de2d5e3b0ea99ce3e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:54:52,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:54:52,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:54:52,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:54:52,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:54:52,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:54:52,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:54:52,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:54:52,339 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:54:52,339 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:54:52,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:54:52,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:54:52,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:54:52,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:54:52,344 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:54:52,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:54:52,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:54:52,344 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:54:52,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:54:52,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:54:52,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:54:52,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:54:52,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:54:52,344 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:54:52,344 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:54:52,345 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:54:52,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:54:52,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:54:52,345 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:54:52,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:54:52,345 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:54:52,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:54:52,345 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:54:52,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:54:52,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:54:52,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:54:52,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:54:52,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:54:52,348 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:54:52,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:54:52,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:54:52,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:54:52,349 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:54:52,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:54:52,349 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:54:52,349 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:54:52,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:54:52,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:54:52,350 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:54:52,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:54:52,350 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 06557c270490180718c8b17df780a67c95f9f8a79364859de2d5e3b0ea99ce3e [2024-11-28 03:54:52,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:54:52,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:54:52,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:54:52,690 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:54:52,690 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:54:52,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i [2024-11-28 03:54:55,743 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/data/ce14c84d3/c293eb432c00446ea0a8e679ae5727cf/FLAG6ea1c423a [2024-11-28 03:54:56,080 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:54:56,081 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i [2024-11-28 03:54:56,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/data/ce14c84d3/c293eb432c00446ea0a8e679ae5727cf/FLAG6ea1c423a [2024-11-28 03:54:56,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/data/ce14c84d3/c293eb432c00446ea0a8e679ae5727cf [2024-11-28 03:54:56,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:54:56,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:54:56,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:54:56,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:54:56,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:54:56,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:54:56" (1/1) ... [2024-11-28 03:54:56,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f78665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56, skipping insertion in model container [2024-11-28 03:54:56,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:54:56" (1/1) ... [2024-11-28 03:54:56,362 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:54:56,529 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_1c0e94b1-a8ca-4dda-8158-10b071b02a00/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i[916,929] [2024-11-28 03:54:56,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:54:56,626 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:54:56,645 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_1c0e94b1-a8ca-4dda-8158-10b071b02a00/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i[916,929] [2024-11-28 03:54:56,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:54:56,738 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:54:56,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56 WrapperNode [2024-11-28 03:54:56,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:54:56,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:54:56,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:54:56,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:54:56,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56" (1/1) ... [2024-11-28 03:54:56,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56" (1/1) ... [2024-11-28 03:54:56,801 INFO L138 Inliner]: procedures = 36, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 475 [2024-11-28 03:54:56,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:54:56,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:54:56,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:54:56,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:54:56,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56" (1/1) ... [2024-11-28 03:54:56,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56" (1/1) ... [2024-11-28 03:54:56,826 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56" (1/1) ... [2024-11-28 03:54:56,850 INFO L175 MemorySlicer]: Split 131 memory accesses to 6 slices as follows [2, 16, 23, 31, 7, 52]. 40 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 2, 2, 2, 1, 4]. The 18 writes are split as follows [0, 2, 5, 5, 2, 4]. [2024-11-28 03:54:56,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56" (1/1) ... [2024-11-28 03:54:56,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56" (1/1) ... [2024-11-28 03:54:56,886 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56" (1/1) ... [2024-11-28 03:54:56,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56" (1/1) ... [2024-11-28 03:54:56,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56" (1/1) ... [2024-11-28 03:54:56,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56" (1/1) ... [2024-11-28 03:54:56,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56" (1/1) ... [2024-11-28 03:54:56,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:54:56,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:54:56,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:54:56,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:54:56,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56" (1/1) ... [2024-11-28 03:54:56,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:54:56,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:56,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:54:56,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:54:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:54:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 03:54:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 03:54:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 03:54:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 03:54:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 03:54:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-28 03:54:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 03:54:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 03:54:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 03:54:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 03:54:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 03:54:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-28 03:54:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 03:54:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 03:54:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 03:54:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 03:54:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-28 03:54:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-28 03:54:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-28 03:54:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-28 03:54:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-28 03:54:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-28 03:54:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-28 03:54:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-28 03:54:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:54:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 03:54:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 03:54:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 03:54:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 03:54:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 03:54:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 03:54:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 03:54:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-28 03:54:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-28 03:54:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-28 03:54:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-28 03:54:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 03:54:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 03:54:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-28 03:54:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-28 03:54:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-28 03:54:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-28 03:54:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 03:54:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 03:54:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 03:54:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 03:54:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 03:54:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 03:54:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-28 03:54:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-28 03:54:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-28 03:54:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-28 03:54:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-28 03:54:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-28 03:54:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:54:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:54:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:54:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:54:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 03:54:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 03:54:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-28 03:54:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-28 03:54:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-28 03:54:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-28 03:54:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-28 03:54:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-28 03:54:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-28 03:54:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-28 03:54:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-28 03:54:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-28 03:54:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 03:54:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 03:54:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 03:54:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 03:54:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 03:54:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 03:54:57,188 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:54:57,190 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:54:58,110 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-28 03:54:58,110 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:54:58,124 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:54:58,125 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:54:58,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:54:58 BoogieIcfgContainer [2024-11-28 03:54:58,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:54:58,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:54:58,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:54:58,133 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:54:58,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:54:56" (1/3) ... [2024-11-28 03:54:58,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f7781b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:54:58, skipping insertion in model container [2024-11-28 03:54:58,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:56" (2/3) ... [2024-11-28 03:54:58,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f7781b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:54:58, skipping insertion in model container [2024-11-28 03:54:58,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:54:58" (3/3) ... [2024-11-28 03:54:58,136 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-69.i [2024-11-28 03:54:58,151 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:54:58,153 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-69.i that has 2 procedures, 94 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:54:58,215 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:54:58,228 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;@4c01767b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:54:58,229 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:54:58,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 77 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 03:54:58,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 03:54:58,245 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:58,246 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:58,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:58,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:58,252 INFO L85 PathProgramCache]: Analyzing trace with hash 849212081, now seen corresponding path program 1 times [2024-11-28 03:54:58,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:54:58,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1612917568] [2024-11-28 03:54:58,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:58,266 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 [2024-11-28 03:54:58,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:54:58,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:54:58,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:54:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:58,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:54:58,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:58,803 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-28 03:54:58,803 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:54:58,804 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:54:58,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1612917568] [2024-11-28 03:54:58,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1612917568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:58,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:58,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:54:58,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874068981] [2024-11-28 03:54:58,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:58,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:54:58,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:54:58,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:54:58,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:54:58,839 INFO L87 Difference]: Start difference. First operand has 94 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 77 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 03:54:58,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:58,888 INFO L93 Difference]: Finished difference Result 181 states and 287 transitions. [2024-11-28 03:54:58,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:54:58,891 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2024-11-28 03:54:58,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:58,900 INFO L225 Difference]: With dead ends: 181 [2024-11-28 03:54:58,901 INFO L226 Difference]: Without dead ends: 90 [2024-11-28 03:54:58,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:54:58,911 INFO L435 NwaCegarLoop]: 132 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, 132 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 [2024-11-28 03:54:58,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:54:58,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-28 03:54:58,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-28 03:54:58,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 73 states have internal predecessors, (102), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 03:54:58,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 132 transitions. [2024-11-28 03:54:58,979 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 132 transitions. Word has length 119 [2024-11-28 03:54:58,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:58,980 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 132 transitions. [2024-11-28 03:54:58,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 03:54:58,982 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2024-11-28 03:54:58,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 03:54:58,990 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:58,990 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:59,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 03:54:59,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:54:59,195 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:59,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:59,196 INFO L85 PathProgramCache]: Analyzing trace with hash -392504257, now seen corresponding path program 1 times [2024-11-28 03:54:59,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:54:59,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863963947] [2024-11-28 03:54:59,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:59,225 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 [2024-11-28 03:54:59,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:54:59,227 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:54:59,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:54:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:59,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:54:59,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:59,703 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 03:54:59,705 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:54:59,705 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:54:59,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863963947] [2024-11-28 03:54:59,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [863963947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:59,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:59,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:54:59,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551198950] [2024-11-28 03:54:59,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:59,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:54:59,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:54:59,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:54:59,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:54:59,713 INFO L87 Difference]: Start difference. First operand 90 states and 132 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:59,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:59,799 INFO L93 Difference]: Finished difference Result 179 states and 264 transitions. [2024-11-28 03:54:59,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:54:59,802 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2024-11-28 03:54:59,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:59,804 INFO L225 Difference]: With dead ends: 179 [2024-11-28 03:54:59,805 INFO L226 Difference]: Without dead ends: 92 [2024-11-28 03:54:59,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:54:59,807 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:59,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 379 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:54:59,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-28 03:54:59,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-28 03:54:59,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 75 states have internal predecessors, (104), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 03:54:59,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 134 transitions. [2024-11-28 03:54:59,831 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 134 transitions. Word has length 119 [2024-11-28 03:54:59,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:59,833 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 134 transitions. [2024-11-28 03:54:59,833 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:54:59,833 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2024-11-28 03:54:59,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 03:54:59,837 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:59,838 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:59,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:00,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:00,043 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:00,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:00,044 INFO L85 PathProgramCache]: Analyzing trace with hash 2143453626, now seen corresponding path program 1 times [2024-11-28 03:55:00,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:55:00,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132665902] [2024-11-28 03:55:00,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:00,045 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 [2024-11-28 03:55:00,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:55:00,048 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:55:00,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:00,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:55:00,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:01,582 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:55:01,583 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 48 treesize of output 16 [2024-11-28 03:55:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 03:55:01,875 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:55:01,875 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:55:01,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132665902] [2024-11-28 03:55:01,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [132665902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:01,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:01,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:55:01,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135736581] [2024-11-28 03:55:01,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:01,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:55:01,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:55:01,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:55:01,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:55:01,878 INFO L87 Difference]: Start difference. First operand 92 states and 134 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:55:04,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:04,294 INFO L93 Difference]: Finished difference Result 247 states and 359 transitions. [2024-11-28 03:55:04,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:55:04,298 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 121 [2024-11-28 03:55:04,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:04,301 INFO L225 Difference]: With dead ends: 247 [2024-11-28 03:55:04,301 INFO L226 Difference]: Without dead ends: 158 [2024-11-28 03:55:04,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:55:04,303 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 85 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:04,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 755 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 03:55:04,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-28 03:55:04,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2024-11-28 03:55:04,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 130 states have (on average 1.3923076923076922) internal successors, (181), 131 states have internal predecessors, (181), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 03:55:04,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 225 transitions. [2024-11-28 03:55:04,325 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 225 transitions. Word has length 121 [2024-11-28 03:55:04,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:04,326 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 225 transitions. [2024-11-28 03:55:04,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:55:04,326 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2024-11-28 03:55:04,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 03:55:04,329 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:04,329 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:04,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:55:04,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:04,533 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:04,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:04,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1556647612, now seen corresponding path program 1 times [2024-11-28 03:55:04,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:55:04,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656646485] [2024-11-28 03:55:04,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:04,535 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 [2024-11-28 03:55:04,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:55:04,539 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:55:04,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:04,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:55:04,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:05,010 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:55:05,010 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 34 treesize of output 10 [2024-11-28 03:55:05,037 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 03:55:05,037 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:55:05,037 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:55:05,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656646485] [2024-11-28 03:55:05,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [656646485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:05,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:05,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:55:05,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618144662] [2024-11-28 03:55:05,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:05,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:55:05,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:55:05,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:55:05,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:55:05,044 INFO L87 Difference]: Start difference. First operand 155 states and 225 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:55:05,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:05,675 INFO L93 Difference]: Finished difference Result 368 states and 534 transitions. [2024-11-28 03:55:05,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:55:05,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 121 [2024-11-28 03:55:05,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:05,680 INFO L225 Difference]: With dead ends: 368 [2024-11-28 03:55:05,680 INFO L226 Difference]: Without dead ends: 216 [2024-11-28 03:55:05,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:55:05,682 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 92 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:05,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 484 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:55:05,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-28 03:55:05,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 213. [2024-11-28 03:55:05,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 178 states have (on average 1.3820224719101124) internal successors, (246), 180 states have internal predecessors, (246), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-28 03:55:05,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 308 transitions. [2024-11-28 03:55:05,711 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 308 transitions. Word has length 121 [2024-11-28 03:55:05,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:05,712 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 308 transitions. [2024-11-28 03:55:05,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:55:05,713 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 308 transitions. [2024-11-28 03:55:05,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 03:55:05,715 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:05,715 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:05,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:05,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:05,916 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:05,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:05,917 INFO L85 PathProgramCache]: Analyzing trace with hash 454509884, now seen corresponding path program 1 times [2024-11-28 03:55:05,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:55:05,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585736353] [2024-11-28 03:55:05,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:05,918 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 [2024-11-28 03:55:05,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:55:05,922 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:55:05,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:06,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:55:06,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:06,331 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:55:06,331 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 35 treesize of output 11 [2024-11-28 03:55:06,358 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 03:55:06,359 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:55:06,359 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:55:06,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585736353] [2024-11-28 03:55:06,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1585736353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:06,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:06,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:55:06,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208737383] [2024-11-28 03:55:06,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:06,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:55:06,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:55:06,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:55:06,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:55:06,362 INFO L87 Difference]: Start difference. First operand 213 states and 308 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:55:06,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:06,975 INFO L93 Difference]: Finished difference Result 430 states and 618 transitions. [2024-11-28 03:55:06,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:55:06,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 121 [2024-11-28 03:55:06,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:06,979 INFO L225 Difference]: With dead ends: 430 [2024-11-28 03:55:06,979 INFO L226 Difference]: Without dead ends: 220 [2024-11-28 03:55:06,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:55:06,981 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 90 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:06,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 612 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:55:06,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-28 03:55:06,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 160. [2024-11-28 03:55:07,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 134 states have (on average 1.373134328358209) internal successors, (184), 135 states have internal predecessors, (184), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 03:55:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 228 transitions. [2024-11-28 03:55:07,003 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 228 transitions. Word has length 121 [2024-11-28 03:55:07,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:07,003 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 228 transitions. [2024-11-28 03:55:07,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:55:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 228 transitions. [2024-11-28 03:55:07,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 03:55:07,006 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:07,006 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:07,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:07,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:07,207 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:07,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:07,208 INFO L85 PathProgramCache]: Analyzing trace with hash -132296130, now seen corresponding path program 1 times [2024-11-28 03:55:07,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:55:07,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59518024] [2024-11-28 03:55:07,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:07,209 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 [2024-11-28 03:55:07,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:55:07,211 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:55:07,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:07,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:55:07,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:08,603 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:55:08,603 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 48 treesize of output 16 [2024-11-28 03:55:08,868 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 03:55:08,868 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:55:08,868 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:55:08,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59518024] [2024-11-28 03:55:08,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59518024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:08,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:08,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:55:08,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680943943] [2024-11-28 03:55:08,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:08,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:55:08,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:55:08,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:55:08,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:55:08,871 INFO L87 Difference]: Start difference. First operand 160 states and 228 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:55:11,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:11,074 INFO L93 Difference]: Finished difference Result 375 states and 534 transitions. [2024-11-28 03:55:11,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:55:11,079 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 121 [2024-11-28 03:55:11,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:11,081 INFO L225 Difference]: With dead ends: 375 [2024-11-28 03:55:11,081 INFO L226 Difference]: Without dead ends: 218 [2024-11-28 03:55:11,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:55:11,083 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 78 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:11,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1014 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 03:55:11,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-28 03:55:11,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 166. [2024-11-28 03:55:11,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 140 states have (on average 1.3785714285714286) internal successors, (193), 141 states have internal predecessors, (193), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 03:55:11,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 237 transitions. [2024-11-28 03:55:11,117 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 237 transitions. Word has length 121 [2024-11-28 03:55:11,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:11,118 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 237 transitions. [2024-11-28 03:55:11,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:55:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 237 transitions. [2024-11-28 03:55:11,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 03:55:11,119 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:11,120 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:11,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 03:55:11,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:11,324 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:11,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:11,325 INFO L85 PathProgramCache]: Analyzing trace with hash 224505005, now seen corresponding path program 1 times [2024-11-28 03:55:11,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:55:11,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076041533] [2024-11-28 03:55:11,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:11,325 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 [2024-11-28 03:55:11,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:55:11,327 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:55:11,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:11,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:55:11,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:11,612 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 20 treesize of output 16 [2024-11-28 03:55:11,702 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 63 treesize of output 51 [2024-11-28 03:55:11,763 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 03:55:11,763 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:55:11,763 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:55:11,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076041533] [2024-11-28 03:55:11,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076041533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:11,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:11,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:55:11,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586946426] [2024-11-28 03:55:11,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:11,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:55:11,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:55:11,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:55:11,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:55:11,766 INFO L87 Difference]: Start difference. First operand 166 states and 237 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:55:12,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:12,202 INFO L93 Difference]: Finished difference Result 382 states and 544 transitions. [2024-11-28 03:55:12,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:55:12,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 122 [2024-11-28 03:55:12,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:12,205 INFO L225 Difference]: With dead ends: 382 [2024-11-28 03:55:12,205 INFO L226 Difference]: Without dead ends: 219 [2024-11-28 03:55:12,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:55:12,206 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 109 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:12,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 988 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:55:12,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-28 03:55:12,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 164. [2024-11-28 03:55:12,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 138 states have (on average 1.3768115942028984) internal successors, (190), 139 states have internal predecessors, (190), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 03:55:12,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 234 transitions. [2024-11-28 03:55:12,223 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 234 transitions. Word has length 122 [2024-11-28 03:55:12,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:12,224 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 234 transitions. [2024-11-28 03:55:12,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 03:55:12,224 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 234 transitions. [2024-11-28 03:55:12,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 03:55:12,226 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:12,226 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:12,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:55:12,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:12,427 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:12,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:12,427 INFO L85 PathProgramCache]: Analyzing trace with hash -178316306, now seen corresponding path program 1 times [2024-11-28 03:55:12,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:55:12,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606435452] [2024-11-28 03:55:12,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:12,428 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 [2024-11-28 03:55:12,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:55:12,430 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:55:12,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0e94b1-a8ca-4dda-8158-10b071b02a00/bin/uautomizer-verify-aQ6SnzHsRB/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