./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.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_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 70562da18636cefe71b678cd2257e55ff14c212499b21f4a61292b200a6210e2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:54:35,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:54:35,986 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 05:54:35,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:54:35,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:54:36,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:54:36,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:54:36,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:54:36,018 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:54:36,018 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:54:36,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:54:36,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:54:36,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:54:36,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:54:36,019 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:54:36,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:54:36,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:54:36,020 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:54:36,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:54:36,020 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:54:36,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:54:36,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:54:36,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:54:36,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:54:36,021 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:54:36,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:54:36,021 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:54:36,021 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:54:36,021 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:54:36,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:54:36,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:54:36,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:54:36,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:54:36,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:54:36,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:54:36,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:54:36,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:54:36,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:54:36,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:54:36,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:54:36,023 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:54:36,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:54:36,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:54:36,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:54:36,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:54:36,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:54:36,024 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:54:36,024 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:54:36,024 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_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70562da18636cefe71b678cd2257e55ff14c212499b21f4a61292b200a6210e2 [2024-12-02 05:54:36,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:54:36,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:54:36,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:54:36,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:54:36,292 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:54:36,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i [2024-12-02 05:54:39,466 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/data/13a43d2aa/28b75cadb6a44e1a9a6264359677c239/FLAG6d5ed24d4 [2024-12-02 05:54:39,701 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:54:39,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i [2024-12-02 05:54:39,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/data/13a43d2aa/28b75cadb6a44e1a9a6264359677c239/FLAG6d5ed24d4 [2024-12-02 05:54:39,727 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/data/13a43d2aa/28b75cadb6a44e1a9a6264359677c239 [2024-12-02 05:54:39,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:54:39,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:54:39,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:54:39,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:54:39,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:54:39,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:54:39" (1/1) ... [2024-12-02 05:54:39,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d442831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:39, skipping insertion in model container [2024-12-02 05:54:39,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:54:39" (1/1) ... [2024-12-02 05:54:39,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:54:39,877 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_4fef2ccb-1187-4698-85cb-214960f0e290/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i[916,929] [2024-12-02 05:54:39,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:54:39,950 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:54:39,958 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_4fef2ccb-1187-4698-85cb-214960f0e290/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i[916,929] [2024-12-02 05:54:39,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:54:40,013 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:54:40,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:40 WrapperNode [2024-12-02 05:54:40,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:54:40,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:54:40,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:54:40,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:54:40,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:40" (1/1) ... [2024-12-02 05:54:40,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:40" (1/1) ... [2024-12-02 05:54:40,065 INFO L138 Inliner]: procedures = 29, calls = 187, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 557 [2024-12-02 05:54:40,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:54:40,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:54:40,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:54:40,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:54:40,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:40" (1/1) ... [2024-12-02 05:54:40,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:40" (1/1) ... [2024-12-02 05:54:40,078 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:40" (1/1) ... [2024-12-02 05:54:40,098 INFO L175 MemorySlicer]: Split 152 memory accesses to 6 slices as follows [2, 6, 71, 48, 11, 14]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 7, 5, 1, 1]. The 19 writes are split as follows [0, 1, 8, 8, 1, 1]. [2024-12-02 05:54:40,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:40" (1/1) ... [2024-12-02 05:54:40,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:40" (1/1) ... [2024-12-02 05:54:40,120 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:40" (1/1) ... [2024-12-02 05:54:40,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:40" (1/1) ... [2024-12-02 05:54:40,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:40" (1/1) ... [2024-12-02 05:54:40,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:40" (1/1) ... [2024-12-02 05:54:40,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:40" (1/1) ... [2024-12-02 05:54:40,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:54:40,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:54:40,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:54:40,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:54:40,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:40" (1/1) ... [2024-12-02 05:54:40,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:54:40,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:54:40,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:54:40,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:54:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:54:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 05:54:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 05:54:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 05:54:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 05:54:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 05:54:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 05:54:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 05:54:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 05:54:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 05:54:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 05:54:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 05:54:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 05:54:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 05:54:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 05:54:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 05:54:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 05:54:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 05:54:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 05:54:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 05:54:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 05:54:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 05:54:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 05:54:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 05:54:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 05:54:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 05:54:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 05:54:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 05:54:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 05:54:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 05:54:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 05:54:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:54:40,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:54:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 05:54:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 05:54:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 05:54:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 05:54:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 05:54:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 05:54:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:54:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:54:40,322 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:54:40,325 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:54:40,807 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-12-02 05:54:40,807 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:54:40,820 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:54:40,820 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:54:40,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:54:40 BoogieIcfgContainer [2024-12-02 05:54:40,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:54:40,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:54:40,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:54:40,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:54:40,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:54:39" (1/3) ... [2024-12-02 05:54:40,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8940316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:54:40, skipping insertion in model container [2024-12-02 05:54:40,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:40" (2/3) ... [2024-12-02 05:54:40,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8940316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:54:40, skipping insertion in model container [2024-12-02 05:54:40,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:54:40" (3/3) ... [2024-12-02 05:54:40,832 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-99.i [2024-12-02 05:54:40,850 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:54:40,851 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-99.i that has 2 procedures, 125 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:54:40,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:54:40,918 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;@5b393201, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:54:40,919 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:54:40,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 103 states have (on average 1.4174757281553398) internal successors, (146), 104 states have internal predecessors, (146), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 05:54:40,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 05:54:40,934 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:40,934 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:40,935 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:40,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:40,939 INFO L85 PathProgramCache]: Analyzing trace with hash -970064899, now seen corresponding path program 1 times [2024-12-02 05:54:40,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:40,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010496476] [2024-12-02 05:54:40,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:40,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:41,227 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 05:54:41,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:41,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010496476] [2024-12-02 05:54:41,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010496476] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:54:41,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467796384] [2024-12-02 05:54:41,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:41,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:54:41,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:54:41,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:54:41,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 05:54:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:41,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:54:41,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:54:41,575 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 05:54:41,575 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:54:41,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467796384] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:41,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:54:41,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 05:54:41,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902422929] [2024-12-02 05:54:41,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:41,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:54:41,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:41,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:54:41,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:54:41,637 INFO L87 Difference]: Start difference. First operand has 125 states, 103 states have (on average 1.4174757281553398) internal successors, (146), 104 states have internal predecessors, (146), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:54:41,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:41,670 INFO L93 Difference]: Finished difference Result 243 states and 381 transitions. [2024-12-02 05:54:41,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:54:41,672 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2024-12-02 05:54:41,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:41,679 INFO L225 Difference]: With dead ends: 243 [2024-12-02 05:54:41,679 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 05:54:41,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:54:41,685 INFO L435 NwaCegarLoop]: 177 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, 177 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:41,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:54:41,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 05:54:41,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-12-02 05:54:41,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 100 states have (on average 1.39) internal successors, (139), 100 states have internal predecessors, (139), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 05:54:41,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2024-12-02 05:54:41,721 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 156 [2024-12-02 05:54:41,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:41,722 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2024-12-02 05:54:41,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:54:41,722 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2024-12-02 05:54:41,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 05:54:41,724 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:41,724 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:41,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 05:54:41,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 05:54:41,925 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:41,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:41,926 INFO L85 PathProgramCache]: Analyzing trace with hash -533081257, now seen corresponding path program 1 times [2024-12-02 05:54:41,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:41,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881826646] [2024-12-02 05:54:41,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:41,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 05:54:42,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:42,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881826646] [2024-12-02 05:54:42,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881826646] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:42,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:42,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:54:42,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837719044] [2024-12-02 05:54:42,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:42,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:54:42,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:42,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:54:42,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:54:42,240 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:54:42,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:42,293 INFO L93 Difference]: Finished difference Result 241 states and 354 transitions. [2024-12-02 05:54:42,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:54:42,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2024-12-02 05:54:42,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:42,296 INFO L225 Difference]: With dead ends: 241 [2024-12-02 05:54:42,296 INFO L226 Difference]: Without dead ends: 123 [2024-12-02 05:54:42,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:54:42,298 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:42,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 514 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:54:42,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-12-02 05:54:42,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-12-02 05:54:42,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 102 states have (on average 1.3823529411764706) internal successors, (141), 102 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 05:54:42,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2024-12-02 05:54:42,313 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 156 [2024-12-02 05:54:42,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:42,314 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2024-12-02 05:54:42,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:54:42,315 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2024-12-02 05:54:42,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 05:54:42,318 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:42,319 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:42,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 05:54:42,319 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:42,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:42,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1254788565, now seen corresponding path program 1 times [2024-12-02 05:54:42,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:42,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781723215] [2024-12-02 05:54:42,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:42,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:43,193 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 05:54:43,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:43,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781723215] [2024-12-02 05:54:43,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781723215] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:43,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:43,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 05:54:43,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871316994] [2024-12-02 05:54:43,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:43,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:54:43,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:43,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:54:43,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:54:43,196 INFO L87 Difference]: Start difference. First operand 123 states and 179 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:54:43,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:43,520 INFO L93 Difference]: Finished difference Result 350 states and 511 transitions. [2024-12-02 05:54:43,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 05:54:43,521 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2024-12-02 05:54:43,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:43,524 INFO L225 Difference]: With dead ends: 350 [2024-12-02 05:54:43,524 INFO L226 Difference]: Without dead ends: 230 [2024-12-02 05:54:43,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:54:43,526 INFO L435 NwaCegarLoop]: 268 mSDtfsCounter, 152 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:43,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1141 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:54:43,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-12-02 05:54:43,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2024-12-02 05:54:43,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 188 states have (on average 1.3829787234042554) internal successors, (260), 189 states have internal predecessors, (260), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 05:54:43,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 332 transitions. [2024-12-02 05:54:43,550 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 332 transitions. Word has length 156 [2024-12-02 05:54:43,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:43,551 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 332 transitions. [2024-12-02 05:54:43,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:54:43,551 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 332 transitions. [2024-12-02 05:54:43,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 05:54:43,554 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:43,554 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:43,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 05:54:43,554 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:43,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:43,555 INFO L85 PathProgramCache]: Analyzing trace with hash -129647908, now seen corresponding path program 1 times [2024-12-02 05:54:43,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:43,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079229945] [2024-12-02 05:54:43,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:43,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:43,905 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-12-02 05:54:43,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:43,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079229945] [2024-12-02 05:54:43,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079229945] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:54:43,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67677153] [2024-12-02 05:54:43,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:43,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:54:43,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:54:43,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:54:43,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 05:54:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:44,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 05:54:44,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:54:44,218 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 05:54:44,218 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:54:44,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67677153] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:44,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:54:44,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-12-02 05:54:44,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735873832] [2024-12-02 05:54:44,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:44,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:54:44,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:44,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:54:44,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:54:44,220 INFO L87 Difference]: Start difference. First operand 227 states and 332 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 05:54:44,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:44,264 INFO L93 Difference]: Finished difference Result 457 states and 669 transitions. [2024-12-02 05:54:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:54:44,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2024-12-02 05:54:44,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:44,267 INFO L225 Difference]: With dead ends: 457 [2024-12-02 05:54:44,267 INFO L226 Difference]: Without dead ends: 233 [2024-12-02 05:54:44,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:54:44,269 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:44,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 681 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:54:44,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-12-02 05:54:44,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-12-02 05:54:44,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 194 states have (on average 1.3711340206185567) internal successors, (266), 195 states have internal predecessors, (266), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 05:54:44,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 338 transitions. [2024-12-02 05:54:44,287 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 338 transitions. Word has length 156 [2024-12-02 05:54:44,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:44,288 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 338 transitions. [2024-12-02 05:54:44,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 05:54:44,288 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 338 transitions. [2024-12-02 05:54:44,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 05:54:44,290 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:44,290 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:44,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 05:54:44,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:54:44,491 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:44,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:44,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1029935421, now seen corresponding path program 1 times [2024-12-02 05:54:44,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:44,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921605207] [2024-12-02 05:54:44,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:44,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:54:44,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178037318] [2024-12-02 05:54:44,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:44,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:54:44,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:54:44,617 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:54:44,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 05:54:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:54:45,128 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:54:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:54:45,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 05:54:45,721 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 05:54:45,722 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 05:54:45,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 05:54:45,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:54:45,927 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-12-02 05:54:46,017 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 05:54:46,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:54:46 BoogieIcfgContainer [2024-12-02 05:54:46,021 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 05:54:46,021 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:54:46,021 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:54:46,022 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:54:46,022 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:54:40" (3/4) ... [2024-12-02 05:54:46,025 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 05:54:46,025 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:54:46,026 INFO L158 Benchmark]: Toolchain (without parser) took 6295.45ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 92.2MB in the beginning and 166.6MB in the end (delta: -74.4MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-12-02 05:54:46,027 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:54:46,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.71ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 76.8MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 05:54:46,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.64ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 73.1MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:54:46,027 INFO L158 Benchmark]: Boogie Preprocessor took 70.22ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 68.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:54:46,028 INFO L158 Benchmark]: RCFGBuilder took 684.72ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 84.6MB in the end (delta: -16.2MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2024-12-02 05:54:46,028 INFO L158 Benchmark]: TraceAbstraction took 5196.76ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 84.1MB in the beginning and 166.8MB in the end (delta: -82.8MB). Peak memory consumption was 125.1MB. Max. memory is 16.1GB. [2024-12-02 05:54:46,028 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 218.1MB. Free memory was 166.8MB in the beginning and 166.6MB in the end (delta: 236.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:54:46,030 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.71ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 76.8MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.64ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 73.1MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.22ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 68.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 684.72ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 84.6MB in the end (delta: -16.2MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5196.76ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 84.1MB in the beginning and 166.8MB in the end (delta: -82.8MB). Peak memory consumption was 125.1MB. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 218.1MB. Free memory was 166.8MB in the beginning and 166.6MB in the end (delta: 236.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 48, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 42, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryArithmeticFLOAToperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L25-L27] float float_Array_0[7] = { 4.8, 127.25, 0.4, 99999999999.5, 500.5, 1000000000000000.6, 255.5 }; [L25-L27] float float_Array_0[7] = { 4.8, 127.25, 0.4, 99999999999.5, 500.5, 1000000000000000.6, 255.5 }; [L25-L27] float float_Array_0[7] = { 4.8, 127.25, 0.4, 99999999999.5, 500.5, 1000000000000000.6, 255.5 }; [L25-L27] float float_Array_0[7] = { 4.8, 127.25, 0.4, 99999999999.5, 500.5, 1000000000000000.6, 255.5 }; [L25-L27] float float_Array_0[7] = { 4.8, 127.25, 0.4, 99999999999.5, 500.5, 1000000000000000.6, 255.5 }; [L25-L27] float float_Array_0[7] = { 4.8, 127.25, 0.4, 99999999999.5, 500.5, 1000000000000000.6, 255.5 }; [L25-L27] float float_Array_0[7] = { 4.8, 127.25, 0.4, 99999999999.5, 500.5, 1000000000000000.6, 255.5 }; [L25-L27] float float_Array_0[7] = { 4.8, 127.25, 0.4, 99999999999.5, 500.5, 1000000000000000.6, 255.5 }; [L28-L30] signed long int signed_long_int_Array_0[5] = { 256, 25, 0, -50, -5 }; [L28-L30] signed long int signed_long_int_Array_0[5] = { 256, 25, 0, -50, -5 }; [L28-L30] signed long int signed_long_int_Array_0[5] = { 256, 25, 0, -50, -5 }; [L28-L30] signed long int signed_long_int_Array_0[5] = { 256, 25, 0, -50, -5 }; [L28-L30] signed long int signed_long_int_Array_0[5] = { 256, 25, 0, -50, -5 }; [L28-L30] signed long int signed_long_int_Array_0[5] = { 256, 25, 0, -50, -5 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 2 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 2 }; [L34-L36] unsigned char unsigned_char_Array_0[1] = { 16 }; [L34-L36] unsigned char unsigned_char_Array_0[1] = { 16 }; VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L104] isInitial = 1 [L105] FCALL initially() [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L65] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L66] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L67] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L67] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L67] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L68] float_Array_0[0] = __VERIFIER_nondet_float() [L69] EXPR float_Array_0[0] [L69] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L69] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F [L69] EXPR float_Array_0[0] [L69] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L69] EXPR (float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L69] EXPR (float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L69] CALL assume_abort_if_not((float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L69] RET assume_abort_if_not((float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L70] float_Array_0[1] = __VERIFIER_nondet_float() [L71] EXPR float_Array_0[1] [L71] EXPR float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] EXPR float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F [L71] EXPR float_Array_0[1] [L71] EXPR float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] EXPR (float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 4611686.018427382800e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] EXPR (float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 4611686.018427382800e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] CALL assume_abort_if_not((float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 4611686.018427382800e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] RET assume_abort_if_not((float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 4611686.018427382800e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] float_Array_0[2] = __VERIFIER_nondet_float() [L73] EXPR float_Array_0[2] [L73] EXPR float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] EXPR float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F [L73] EXPR float_Array_0[2] [L73] EXPR float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] EXPR (float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] EXPR (float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] CALL assume_abort_if_not((float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] RET assume_abort_if_not((float_Array_0[2] >= -461168.6018427382800e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] float_Array_0[3] = __VERIFIER_nondet_float() [L75] EXPR float_Array_0[3] [L75] EXPR float_Array_0[3] >= 0.0F && float_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] EXPR float_Array_0[3] >= 0.0F && float_Array_0[3] <= -1.0e-20F [L75] EXPR float_Array_0[3] [L75] EXPR float_Array_0[3] >= 0.0F && float_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] EXPR (float_Array_0[3] >= 0.0F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] EXPR (float_Array_0[3] >= 0.0F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] CALL assume_abort_if_not((float_Array_0[3] >= 0.0F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] RET assume_abort_if_not((float_Array_0[3] >= 0.0F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] float_Array_0[4] = __VERIFIER_nondet_float() [L77] EXPR float_Array_0[4] [L77] EXPR float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] EXPR float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F [L77] EXPR float_Array_0[4] [L77] EXPR float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] EXPR (float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854765600e+12F && float_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] EXPR (float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854765600e+12F && float_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] CALL assume_abort_if_not((float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854765600e+12F && float_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] RET assume_abort_if_not((float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854765600e+12F && float_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] float_Array_0[5] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[5] [L79] EXPR float_Array_0[5] >= 0.0F && float_Array_0[5] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] EXPR float_Array_0[5] >= 0.0F && float_Array_0[5] <= -1.0e-20F [L79] EXPR float_Array_0[5] [L79] EXPR float_Array_0[5] >= 0.0F && float_Array_0[5] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] EXPR (float_Array_0[5] >= 0.0F && float_Array_0[5] <= -1.0e-20F) || (float_Array_0[5] <= 9223372.036854765600e+12F && float_Array_0[5] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] EXPR (float_Array_0[5] >= 0.0F && float_Array_0[5] <= -1.0e-20F) || (float_Array_0[5] <= 9223372.036854765600e+12F && float_Array_0[5] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] CALL assume_abort_if_not((float_Array_0[5] >= 0.0F && float_Array_0[5] <= -1.0e-20F) || (float_Array_0[5] <= 9223372.036854765600e+12F && float_Array_0[5] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] RET assume_abort_if_not((float_Array_0[5] >= 0.0F && float_Array_0[5] <= -1.0e-20F) || (float_Array_0[5] <= 9223372.036854765600e+12F && float_Array_0[5] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L81] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L81] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L81] RET assume_abort_if_not(signed_long_int_Array_0[0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483646) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483646) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L83] signed_long_int_Array_0[1] = __VERIFIER_nondet_long() [L84] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] CALL assume_abort_if_not(signed_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] RET assume_abort_if_not(signed_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] CALL assume_abort_if_not(signed_long_int_Array_0[1] <= 2147483646) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] RET assume_abort_if_not(signed_long_int_Array_0[1] <= 2147483646) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L86] signed_long_int_Array_0[3] = __VERIFIER_nondet_long() [L87] EXPR signed_long_int_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] CALL assume_abort_if_not(signed_long_int_Array_0[3] >= -1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] RET assume_abort_if_not(signed_long_int_Array_0[3] >= -1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] EXPR signed_long_int_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] CALL assume_abort_if_not(signed_long_int_Array_0[3] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] RET assume_abort_if_not(signed_long_int_Array_0[3] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L89] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L90] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L92] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L92] CALL assume_abort_if_not(signed_short_int_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L92] RET assume_abort_if_not(signed_short_int_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L93] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L94] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L94] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L94] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L108] RET updateVariables() [L109] CALL step() [L40] signed long int stepLocal_0 = (((8) < 0 ) ? -(8) : (8)); [L41] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L41] COND TRUE (((((200) < (128)) ? (200) : (128))) - unsigned_char_Array_0[0]) > stepLocal_0 [L42] EXPR float_Array_0[5] [L42] EXPR float_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L42] EXPR ((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]) [L42] EXPR float_Array_0[5] [L42] EXPR ((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L42] EXPR float_Array_0[3] [L42] float_Array_0[6] = (((((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]))) - float_Array_0[3]) [L48] EXPR float_Array_0[4] [L48] EXPR float_Array_0[3] [L48] EXPR float_Array_0[6] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L48] COND FALSE !((float_Array_0[4] + float_Array_0[3]) == float_Array_0[6]) [L51] EXPR signed_long_int_Array_0[1] [L51] signed_long_int_Array_0[2] = signed_long_int_Array_0[1] [L53] EXPR signed_long_int_Array_0[0] [L53] EXPR signed_short_int_Array_0[0] [L53] signed long int stepLocal_1 = signed_long_int_Array_0[0] % signed_short_int_Array_0[0]; [L54] EXPR float_Array_0[0] [L54] EXPR float_Array_0[5] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L54] COND TRUE float_Array_0[0] == float_Array_0[5] [L55] EXPR signed_long_int_Array_0[1] [L55] signed_long_int_Array_0[4] = signed_long_int_Array_0[1] [L109] RET step() [L110] CALL, EXPR property() [L100] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L100] EXPR ((((((200) < (128)) ? (200) : (128))) - unsigned_char_Array_0[0]) > ((((8) < 0 ) ? -(8) : (8)))) ? (float_Array_0[6] == ((float) (((((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]))) - float_Array_0[3]))) : (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[6] == ((float) (((((float_Array_0[1]) < (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))) + float_Array_0[2]))) : 1) [L100] EXPR float_Array_0[6] [L100] EXPR float_Array_0[5] [L100] EXPR float_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L100] EXPR ((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]) [L100] EXPR float_Array_0[5] [L100] EXPR ((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L100] EXPR float_Array_0[3] [L100] EXPR ((((((200) < (128)) ? (200) : (128))) - unsigned_char_Array_0[0]) > ((((8) < 0 ) ? -(8) : (8)))) ? (float_Array_0[6] == ((float) (((((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]))) - float_Array_0[3]))) : (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[6] == ((float) (((((float_Array_0[1]) < (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))) + float_Array_0[2]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L100] EXPR (((((((200) < (128)) ? (200) : (128))) - unsigned_char_Array_0[0]) > ((((8) < 0 ) ? -(8) : (8)))) ? (float_Array_0[6] == ((float) (((((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]))) - float_Array_0[3]))) : (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[6] == ((float) (((((float_Array_0[1]) < (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))) + float_Array_0[2]))) : 1)) && (((float_Array_0[4] + float_Array_0[3]) == float_Array_0[6]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0]) : (signed_long_int_Array_0[0]))) - signed_long_int_Array_0[1]))) : (signed_long_int_Array_0[2] == ((signed long int) signed_long_int_Array_0[1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L100] EXPR (((((((200) < (128)) ? (200) : (128))) - unsigned_char_Array_0[0]) > ((((8) < 0 ) ? -(8) : (8)))) ? (float_Array_0[6] == ((float) (((((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]))) - float_Array_0[3]))) : (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[6] == ((float) (((((float_Array_0[1]) < (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))) + float_Array_0[2]))) : 1)) && (((float_Array_0[4] + float_Array_0[3]) == float_Array_0[6]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0]) : (signed_long_int_Array_0[0]))) - signed_long_int_Array_0[1]))) : (signed_long_int_Array_0[2] == ((signed long int) signed_long_int_Array_0[1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L100] EXPR ((((((((200) < (128)) ? (200) : (128))) - unsigned_char_Array_0[0]) > ((((8) < 0 ) ? -(8) : (8)))) ? (float_Array_0[6] == ((float) (((((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]))) - float_Array_0[3]))) : (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[6] == ((float) (((((float_Array_0[1]) < (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))) + float_Array_0[2]))) : 1)) && (((float_Array_0[4] + float_Array_0[3]) == float_Array_0[6]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0]) : (signed_long_int_Array_0[0]))) - signed_long_int_Array_0[1]))) : (signed_long_int_Array_0[2] == ((signed long int) signed_long_int_Array_0[1])))) && ((float_Array_0[0] == float_Array_0[5]) ? (signed_long_int_Array_0[4] == ((signed long int) signed_long_int_Array_0[1])) : (((signed_long_int_Array_0[0] % signed_short_int_Array_0[0]) != signed_long_int_Array_0[1]) ? (signed_long_int_Array_0[4] == ((signed long int) ((((((signed_short_int_Array_0[0] + unsigned_char_Array_0[0]) + signed_long_int_Array_0[3])) > (signed_long_int_Array_0[1])) ? (((signed_short_int_Array_0[0] + unsigned_char_Array_0[0]) + signed_long_int_Array_0[3])) : (signed_long_int_Array_0[1]))))) : (signed_long_int_Array_0[4] == ((signed long int) signed_long_int_Array_0[3])))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L100] EXPR ((((((((200) < (128)) ? (200) : (128))) - unsigned_char_Array_0[0]) > ((((8) < 0 ) ? -(8) : (8)))) ? (float_Array_0[6] == ((float) (((((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]))) - float_Array_0[3]))) : (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[6] == ((float) (((((float_Array_0[1]) < (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))) + float_Array_0[2]))) : 1)) && (((float_Array_0[4] + float_Array_0[3]) == float_Array_0[6]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0]) : (signed_long_int_Array_0[0]))) - signed_long_int_Array_0[1]))) : (signed_long_int_Array_0[2] == ((signed long int) signed_long_int_Array_0[1])))) && ((float_Array_0[0] == float_Array_0[5]) ? (signed_long_int_Array_0[4] == ((signed long int) signed_long_int_Array_0[1])) : (((signed_long_int_Array_0[0] % signed_short_int_Array_0[0]) != signed_long_int_Array_0[1]) ? (signed_long_int_Array_0[4] == ((signed long int) ((((((signed_short_int_Array_0[0] + unsigned_char_Array_0[0]) + signed_long_int_Array_0[3])) > (signed_long_int_Array_0[1])) ? (((signed_short_int_Array_0[0] + unsigned_char_Array_0[0]) + signed_long_int_Array_0[3])) : (signed_long_int_Array_0[1]))))) : (signed_long_int_Array_0[4] == ((signed long int) signed_long_int_Array_0[3])))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L100-L101] return ((((((((200) < (128)) ? (200) : (128))) - unsigned_char_Array_0[0]) > ((((8) < 0 ) ? -(8) : (8)))) ? (float_Array_0[6] == ((float) (((((float_Array_0[5]) < (float_Array_0[4])) ? (float_Array_0[5]) : (float_Array_0[4]))) - float_Array_0[3]))) : (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[6] == ((float) (((((float_Array_0[1]) < (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))) + float_Array_0[2]))) : 1)) && (((float_Array_0[4] + float_Array_0[3]) == float_Array_0[6]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_char_Array_0[0]) < (signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0]) : (signed_long_int_Array_0[0]))) - signed_long_int_Array_0[1]))) : (signed_long_int_Array_0[2] == ((signed long int) signed_long_int_Array_0[1])))) && ((float_Array_0[0] == float_Array_0[5]) ? (signed_long_int_Array_0[4] == ((signed long int) signed_long_int_Array_0[1])) : (((signed_long_int_Array_0[0] % signed_short_int_Array_0[0]) != signed_long_int_Array_0[1]) ? (signed_long_int_Array_0[4] == ((signed long int) ((((((signed_short_int_Array_0[0] + unsigned_char_Array_0[0]) + signed_long_int_Array_0[3])) > (signed_long_int_Array_0[1])) ? (((signed_short_int_Array_0[0] + unsigned_char_Array_0[0]) + signed_long_int_Array_0[3])) : (signed_long_int_Array_0[1]))))) : (signed_long_int_Array_0[4] == ((signed long int) signed_long_int_Array_0[3])))) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 5, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 152 mSDsluCounter, 2513 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1719 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 194 IncrementalHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 794 mSDtfsCounter, 194 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 332 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=233occurred in iteration=4, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1250 NumberOfCodeBlocks, 1250 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 930 ConstructedInterpolants, 0 QuantifiedInterpolants, 1043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1021 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 4014/4104 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 [2024-12-02 05:54:46,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/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_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 70562da18636cefe71b678cd2257e55ff14c212499b21f4a61292b200a6210e2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:54:48,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:54:48,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 05:54:48,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:54:48,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:54:48,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:54:48,459 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:54:48,460 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:54:48,460 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:54:48,460 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:54:48,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:54:48,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:54:48,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:54:48,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:54:48,461 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:54:48,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:54:48,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:54:48,462 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:54:48,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:54:48,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:54:48,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:54:48,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:54:48,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:54:48,462 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 05:54:48,462 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 05:54:48,462 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 05:54:48,463 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:54:48,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:54:48,463 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:54:48,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:54:48,463 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:54:48,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:54:48,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:54:48,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:54:48,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:54:48,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:54:48,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:54:48,464 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:54:48,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:54:48,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:54:48,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:54:48,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:54:48,465 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:54:48,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:54:48,465 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 05:54:48,465 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 05:54:48,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:54:48,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:54:48,466 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:54:48,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:54:48,466 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_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70562da18636cefe71b678cd2257e55ff14c212499b21f4a61292b200a6210e2 [2024-12-02 05:54:48,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:54:48,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:54:48,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:54:48,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:54:48,764 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:54:48,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i [2024-12-02 05:54:51,804 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/data/13ccc8b48/62010692164845aca4026d3d30c88d58/FLAG9893a181f [2024-12-02 05:54:52,036 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:54:52,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i [2024-12-02 05:54:52,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/data/13ccc8b48/62010692164845aca4026d3d30c88d58/FLAG9893a181f [2024-12-02 05:54:52,378 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/data/13ccc8b48/62010692164845aca4026d3d30c88d58 [2024-12-02 05:54:52,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:54:52,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:54:52,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:54:52,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:54:52,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:54:52,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:54:52" (1/1) ... [2024-12-02 05:54:52,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5e3217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52, skipping insertion in model container [2024-12-02 05:54:52,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:54:52" (1/1) ... [2024-12-02 05:54:52,406 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:54:52,562 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_4fef2ccb-1187-4698-85cb-214960f0e290/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i[916,929] [2024-12-02 05:54:52,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:54:52,642 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:54:52,652 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_4fef2ccb-1187-4698-85cb-214960f0e290/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-99.i[916,929] [2024-12-02 05:54:52,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:54:52,729 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:54:52,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52 WrapperNode [2024-12-02 05:54:52,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:54:52,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:54:52,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:54:52,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:54:52,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52" (1/1) ... [2024-12-02 05:54:52,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52" (1/1) ... [2024-12-02 05:54:52,795 INFO L138 Inliner]: procedures = 36, calls = 187, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 553 [2024-12-02 05:54:52,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:54:52,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:54:52,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:54:52,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:54:52,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52" (1/1) ... [2024-12-02 05:54:52,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52" (1/1) ... [2024-12-02 05:54:52,811 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52" (1/1) ... [2024-12-02 05:54:52,832 INFO L175 MemorySlicer]: Split 152 memory accesses to 6 slices as follows [2, 6, 71, 48, 11, 14]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 7, 5, 1, 1]. The 19 writes are split as follows [0, 1, 8, 8, 1, 1]. [2024-12-02 05:54:52,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52" (1/1) ... [2024-12-02 05:54:52,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52" (1/1) ... [2024-12-02 05:54:52,864 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52" (1/1) ... [2024-12-02 05:54:52,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52" (1/1) ... [2024-12-02 05:54:52,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52" (1/1) ... [2024-12-02 05:54:52,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52" (1/1) ... [2024-12-02 05:54:52,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52" (1/1) ... [2024-12-02 05:54:52,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:54:52,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:54:52,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:54:52,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:54:52,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52" (1/1) ... [2024-12-02 05:54:52,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:54:52,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:54:52,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:54:52,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:54:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:54:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 05:54:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 05:54:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 05:54:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 05:54:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 05:54:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 05:54:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 05:54:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 05:54:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 05:54:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 05:54:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 05:54:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-02 05:54:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 05:54:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 05:54:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 05:54:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 05:54:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 05:54:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 05:54:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 05:54:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 05:54:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 05:54:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 05:54:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-02 05:54:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-12-02 05:54:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 05:54:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 05:54:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 05:54:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 05:54:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 05:54:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-02 05:54:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 05:54:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 05:54:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 05:54:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 05:54:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-02 05:54:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-12-02 05:54:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 05:54:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 05:54:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 05:54:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 05:54:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 05:54:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-02 05:54:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 05:54:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 05:54:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 05:54:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 05:54:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 05:54:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-02 05:54:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 05:54:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 05:54:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 05:54:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 05:54:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 05:54:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-02 05:54:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:54:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:54:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:54:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:54:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 05:54:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 05:54:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 05:54:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 05:54:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 05:54:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 05:54:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 05:54:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 05:54:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 05:54:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 05:54:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 05:54:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-02 05:54:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 05:54:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 05:54:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 05:54:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 05:54:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-02 05:54:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-12-02 05:54:53,173 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:54:53,176 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:54:54,732 INFO L? ?]: Removed 159 outVars from TransFormulas that were not future-live. [2024-12-02 05:54:54,732 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:54:54,746 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:54:54,746 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:54:54,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:54:54 BoogieIcfgContainer [2024-12-02 05:54:54,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:54:54,750 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:54:54,750 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:54:54,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:54:54,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:54:52" (1/3) ... [2024-12-02 05:54:54,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f731cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:54:54, skipping insertion in model container [2024-12-02 05:54:54,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:52" (2/3) ... [2024-12-02 05:54:54,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f731cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:54:54, skipping insertion in model container [2024-12-02 05:54:54,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:54:54" (3/3) ... [2024-12-02 05:54:54,758 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-99.i [2024-12-02 05:54:54,775 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:54:54,776 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-99.i that has 2 procedures, 125 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:54:54,823 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:54:54,835 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;@6bbf95e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:54:54,835 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:54:54,840 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 103 states have (on average 1.4174757281553398) internal successors, (146), 104 states have internal predecessors, (146), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 05:54:54,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 05:54:54,852 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:54,852 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:54,853 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:54,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:54,858 INFO L85 PathProgramCache]: Analyzing trace with hash -970064899, now seen corresponding path program 1 times [2024-12-02 05:54:54,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:54:54,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704878313] [2024-12-02 05:54:54,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:54,869 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 [2024-12-02 05:54:54,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:54:54,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 05:54:54,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 05:54:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:55,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:54:55,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:54:55,507 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-12-02 05:54:55,507 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:54:55,508 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:54:55,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704878313] [2024-12-02 05:54:55,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704878313] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:55,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:55,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:54:55,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721598852] [2024-12-02 05:54:55,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:55,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:54:55,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:54:55,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:54:55,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:54:55,543 INFO L87 Difference]: Start difference. First operand has 125 states, 103 states have (on average 1.4174757281553398) internal successors, (146), 104 states have internal predecessors, (146), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:54:55,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:55,576 INFO L93 Difference]: Finished difference Result 243 states and 381 transitions. [2024-12-02 05:54:55,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:54:55,578 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2024-12-02 05:54:55,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:55,584 INFO L225 Difference]: With dead ends: 243 [2024-12-02 05:54:55,584 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 05:54:55,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:54:55,591 INFO L435 NwaCegarLoop]: 177 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, 177 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:55,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:54:55,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 05:54:55,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-12-02 05:54:55,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 100 states have (on average 1.39) internal successors, (139), 100 states have internal predecessors, (139), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 05:54:55,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2024-12-02 05:54:55,652 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 156 [2024-12-02 05:54:55,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:55,653 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2024-12-02 05:54:55,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:54:55,654 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2024-12-02 05:54:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 05:54:55,658 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:55,658 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:55,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 05:54:55,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:54:55,859 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:55,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:55,861 INFO L85 PathProgramCache]: Analyzing trace with hash -533081257, now seen corresponding path program 1 times [2024-12-02 05:54:55,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:54:55,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601282388] [2024-12-02 05:54:55,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:55,863 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 [2024-12-02 05:54:55,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:54:55,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 05:54:55,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 05:54:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:56,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 05:54:56,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:54:56,503 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-12-02 05:54:56,504 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:54:56,504 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:54:56,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601282388] [2024-12-02 05:54:56,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601282388] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:56,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:56,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:54:56,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497389770] [2024-12-02 05:54:56,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:56,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:54:56,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:54:56,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:54:56,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:54:56,508 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:54:56,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:56,589 INFO L93 Difference]: Finished difference Result 241 states and 354 transitions. [2024-12-02 05:54:56,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:54:56,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2024-12-02 05:54:56,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:56,592 INFO L225 Difference]: With dead ends: 241 [2024-12-02 05:54:56,592 INFO L226 Difference]: Without dead ends: 123 [2024-12-02 05:54:56,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:54:56,594 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 514 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 [2024-12-02 05:54:56,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 514 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 05:54:56,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-12-02 05:54:56,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-12-02 05:54:56,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 102 states have (on average 1.3823529411764706) internal successors, (141), 102 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 05:54:56,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2024-12-02 05:54:56,611 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 156 [2024-12-02 05:54:56,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:56,612 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2024-12-02 05:54:56,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:54:56,613 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2024-12-02 05:54:56,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 05:54:56,616 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:56,616 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:56,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 05:54:56,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:54:56,817 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:56,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:56,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1254788565, now seen corresponding path program 1 times [2024-12-02 05:54:56,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:54:56,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1240385375] [2024-12-02 05:54:56,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:56,819 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 [2024-12-02 05:54:56,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:54:56,822 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 05:54:56,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 05:54:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:57,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 05:54:57,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:54:57,703 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 95 treesize of output 41 [2024-12-02 05:54:57,748 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-12-02 05:54:57,748 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:54:57,749 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:54:57,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1240385375] [2024-12-02 05:54:57,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1240385375] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:57,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:57,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:54:57,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738719660] [2024-12-02 05:54:57,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:57,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:54:57,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:54:57,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:54:57,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:54:57,751 INFO L87 Difference]: Start difference. First operand 123 states and 179 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:54:59,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:59,142 INFO L93 Difference]: Finished difference Result 244 states and 356 transitions. [2024-12-02 05:54:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:54:59,143 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2024-12-02 05:54:59,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:59,144 INFO L225 Difference]: With dead ends: 244 [2024-12-02 05:54:59,145 INFO L226 Difference]: Without dead ends: 124 [2024-12-02 05:54:59,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:54:59,146 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 144 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:59,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 512 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 05:54:59,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-12-02 05:54:59,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2024-12-02 05:54:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 102 states have (on average 1.3725490196078431) internal successors, (140), 102 states have internal predecessors, (140), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 05:54:59,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 178 transitions. [2024-12-02 05:54:59,157 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 178 transitions. Word has length 156 [2024-12-02 05:54:59,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:59,157 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 178 transitions. [2024-12-02 05:54:59,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:54:59,158 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 178 transitions. [2024-12-02 05:54:59,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 05:54:59,160 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:59,160 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:59,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 05:54:59,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:54:59,361 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:59,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:59,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1073229873, now seen corresponding path program 1 times [2024-12-02 05:54:59,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:54:59,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2050498142] [2024-12-02 05:54:59,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:59,362 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 [2024-12-02 05:54:59,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:54:59,364 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 05:54:59,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 05:54:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:59,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 05:54:59,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:55:00,065 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 95 treesize of output 41 [2024-12-02 05:55:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-12-02 05:55:00,099 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:55:00,100 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:55:00,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2050498142] [2024-12-02 05:55:00,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2050498142] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:55:00,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:55:00,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:55:00,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617671316] [2024-12-02 05:55:00,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:55:00,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:55:00,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:55:00,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:55:00,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:55:00,102 INFO L87 Difference]: Start difference. First operand 123 states and 178 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:55:01,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:55:01,325 INFO L93 Difference]: Finished difference Result 244 states and 354 transitions. [2024-12-02 05:55:01,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:55:01,326 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-12-02 05:55:01,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:55:01,327 INFO L225 Difference]: With dead ends: 244 [2024-12-02 05:55:01,327 INFO L226 Difference]: Without dead ends: 124 [2024-12-02 05:55:01,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:55:01,328 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 135 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:55:01,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 508 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 05:55:01,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-12-02 05:55:01,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2024-12-02 05:55:01,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 05:55:01,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 177 transitions. [2024-12-02 05:55:01,334 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 177 transitions. Word has length 158 [2024-12-02 05:55:01,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:55:01,334 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 177 transitions. [2024-12-02 05:55:01,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:55:01,335 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 177 transitions. [2024-12-02 05:55:01,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 05:55:01,336 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:55:01,336 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:55:01,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 05:55:01,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:55:01,537 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:55:01,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:55:01,537 INFO L85 PathProgramCache]: Analyzing trace with hash -854696171, now seen corresponding path program 1 times [2024-12-02 05:55:01,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:55:01,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1318560951] [2024-12-02 05:55:01,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:55:01,538 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 [2024-12-02 05:55:01,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:55:01,540 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 05:55:01,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 05:55:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:55:02,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 05:55:02,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:55:02,181 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 95 treesize of output 41 [2024-12-02 05:55:02,198 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-12-02 05:55:02,198 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:55:02,198 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:55:02,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1318560951] [2024-12-02 05:55:02,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1318560951] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:55:02,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:55:02,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:55:02,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318066543] [2024-12-02 05:55:02,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:55:02,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:55:02,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:55:02,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:55:02,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:55:02,200 INFO L87 Difference]: Start difference. First operand 123 states and 177 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:55:03,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:55:03,415 INFO L93 Difference]: Finished difference Result 244 states and 352 transitions. [2024-12-02 05:55:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:55:03,415 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 160 [2024-12-02 05:55:03,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:55:03,417 INFO L225 Difference]: With dead ends: 244 [2024-12-02 05:55:03,417 INFO L226 Difference]: Without dead ends: 124 [2024-12-02 05:55:03,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:55:03,418 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 126 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:55:03,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 503 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 05:55:03,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-12-02 05:55:03,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2024-12-02 05:55:03,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 102 states have internal predecessors, (138), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 05:55:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 176 transitions. [2024-12-02 05:55:03,428 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 176 transitions. Word has length 160 [2024-12-02 05:55:03,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:55:03,428 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 176 transitions. [2024-12-02 05:55:03,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:55:03,429 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 176 transitions. [2024-12-02 05:55:03,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 05:55:03,431 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:55:03,431 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:55:03,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 05:55:03,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:55:03,631 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:55:03,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:55:03,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1029279985, now seen corresponding path program 1 times [2024-12-02 05:55:03,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:55:03,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503979496] [2024-12-02 05:55:03,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:55:03,633 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 [2024-12-02 05:55:03,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:55:03,635 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 05:55:03,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 05:55:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:55:04,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 05:55:04,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:55:04,316 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 31 treesize of output 19 [2024-12-02 05:55:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-12-02 05:55:04,381 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:55:04,381 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:55:04,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503979496] [2024-12-02 05:55:04,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503979496] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:55:04,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:55:04,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 05:55:04,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388864656] [2024-12-02 05:55:04,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:55:04,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 05:55:04,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:55:04,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 05:55:04,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:55:04,383 INFO L87 Difference]: Start difference. First operand 123 states and 176 transitions. Second operand has 9 states, 8 states have (on average 9.125) internal successors, (73), 9 states have internal predecessors, (73), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:55:05,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:55:05,918 INFO L93 Difference]: Finished difference Result 360 states and 511 transitions. [2024-12-02 05:55:05,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 05:55:05,919 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 9 states have internal predecessors, (73), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 162 [2024-12-02 05:55:05,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:55:05,922 INFO L225 Difference]: With dead ends: 360 [2024-12-02 05:55:05,922 INFO L226 Difference]: Without dead ends: 240 [2024-12-02 05:55:05,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-12-02 05:55:05,924 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 329 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:55:05,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 1282 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 05:55:05,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-12-02 05:55:05,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 138. [2024-12-02 05:55:05,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 116 states have (on average 1.353448275862069) internal successors, (157), 116 states have internal predecessors, (157), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 05:55:05,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 195 transitions. [2024-12-02 05:55:05,942 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 195 transitions. Word has length 162 [2024-12-02 05:55:05,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:55:05,943 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 195 transitions. [2024-12-02 05:55:05,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 9 states have internal predecessors, (73), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 05:55:05,943 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 195 transitions. [2024-12-02 05:55:05,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 05:55:05,945 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:55:05,945 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:55:05,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 05:55:06,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:55:06,146 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:55:06,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:55:06,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1881250838, now seen corresponding path program 1 times [2024-12-02 05:55:06,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:55:06,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546547777] [2024-12-02 05:55:06,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:55:06,148 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 [2024-12-02 05:55:06,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:55:06,151 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 05:55:06,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 05:55:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:55:06,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 05:55:06,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:55:06,660 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 05:55:06,660 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:55:06,660 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:55:06,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546547777] [2024-12-02 05:55:06,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1546547777] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:55:06,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:55:06,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:55:06,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453071960] [2024-12-02 05:55:06,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:55:06,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:55:06,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:55:06,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:55:06,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:55:06,661 INFO L87 Difference]: Start difference. First operand 138 states and 195 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 05:55:06,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:55:06,851 INFO L93 Difference]: Finished difference Result 276 states and 391 transitions. [2024-12-02 05:55:06,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:55:06,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2024-12-02 05:55:06,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:55:06,853 INFO L225 Difference]: With dead ends: 276 [2024-12-02 05:55:06,854 INFO L226 Difference]: Without dead ends: 141 [2024-12-02 05:55:06,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:55:06,854 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:55:06,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 669 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:55:06,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-12-02 05:55:06,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-12-02 05:55:06,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 119 states have (on average 1.3445378151260505) internal successors, (160), 119 states have internal predecessors, (160), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 05:55:06,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 198 transitions. [2024-12-02 05:55:06,865 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 198 transitions. Word has length 162 [2024-12-02 05:55:06,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:55:06,865 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 198 transitions. [2024-12-02 05:55:06,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 05:55:06,866 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 198 transitions. [2024-12-02 05:55:06,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 05:55:06,866 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:55:06,867 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:55:06,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-12-02 05:55:07,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:55:07,068 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:55:07,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:55:07,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1178383561, now seen corresponding path program 1 times [2024-12-02 05:55:07,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:55:07,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198164664] [2024-12-02 05:55:07,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:55:07,069 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 [2024-12-02 05:55:07,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:55:07,072 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 05:55:07,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-12-02 05:55:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:55:07,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 05:55:07,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:55:07,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 05:55:08,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-12-02 05:55:08,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-12-02 05:55:08,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-12-02 05:55:08,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-12-02 05:55:08,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-12-02 05:55:10,560 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 05:55:10,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 52 [2024-12-02 05:55:10,609 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 05:55:10,610 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 126 treesize of output 54 [2024-12-02 05:55:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 51 proven. 369 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 05:55:10,709 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:55:11,619 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:55:11,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198164664] [2024-12-02 05:55:11,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198164664] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:55:11,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1973435705] [2024-12-02 05:55:11,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:55:11,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 05:55:11,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 05:55:11,621 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 05:55:11,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-02 05:55:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:55:14,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-02 05:55:14,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:55:14,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 05:55:15,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-12-02 05:55:15,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-12-02 05:55:15,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-12-02 05:55:16,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-12-02 05:55:16,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-12-02 05:55:19,003 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 05:55:19,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 50 [2024-12-02 05:55:19,065 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 05:55:19,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 114 treesize of output 54 [2024-12-02 05:55:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 51 proven. 369 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 05:55:19,145 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:55:19,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1973435705] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:55:19,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 05:55:19,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2024-12-02 05:55:19,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334926374] [2024-12-02 05:55:19,667 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 05:55:19,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-02 05:55:19,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:55:19,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-02 05:55:19,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1036, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 05:55:19,668 INFO L87 Difference]: Start difference. First operand 141 states and 198 transitions. Second operand has 27 states, 25 states have (on average 5.88) internal successors, (147), 24 states have internal predecessors, (147), 8 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 6 states have call predecessors, (38), 8 states have call successors, (38) [2024-12-02 05:55:29,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:55:29,619 INFO L93 Difference]: Finished difference Result 621 states and 865 transitions. [2024-12-02 05:55:29,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-02 05:55:29,621 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 5.88) internal successors, (147), 24 states have internal predecessors, (147), 8 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 6 states have call predecessors, (38), 8 states have call successors, (38) Word has length 163 [2024-12-02 05:55:29,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:55:29,624 INFO L225 Difference]: With dead ends: 621 [2024-12-02 05:55:29,624 INFO L226 Difference]: Without dead ends: 483 [2024-12-02 05:55:29,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 486 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 808 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=552, Invalid=2204, Unknown=0, NotChecked=0, Total=2756 [2024-12-02 05:55:29,626 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 881 mSDsluCounter, 1748 mSDsCounter, 0 mSdLazyCounter, 2183 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 1863 SdHoareTripleChecker+Invalid, 2354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 2183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:55:29,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [909 Valid, 1863 Invalid, 2354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 2183 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2024-12-02 05:55:29,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-12-02 05:55:29,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 462. [2024-12-02 05:55:29,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 386 states have (on average 1.3367875647668395) internal successors, (516), 390 states have internal predecessors, (516), 67 states have call successors, (67), 8 states have call predecessors, (67), 8 states have return successors, (67), 63 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 05:55:29,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 650 transitions. [2024-12-02 05:55:29,673 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 650 transitions. Word has length 163 [2024-12-02 05:55:29,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:55:29,673 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 650 transitions. [2024-12-02 05:55:29,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 5.88) internal successors, (147), 24 states have internal predecessors, (147), 8 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 6 states have call predecessors, (38), 8 states have call successors, (38) [2024-12-02 05:55:29,674 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 650 transitions. [2024-12-02 05:55:29,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 05:55:29,676 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:55:29,677 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:55:29,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-02 05:55:29,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-12-02 05:55:30,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:55:30,077 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:55:30,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:55:30,078 INFO L85 PathProgramCache]: Analyzing trace with hash -440591353, now seen corresponding path program 1 times [2024-12-02 05:55:30,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:55:30,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555814622] [2024-12-02 05:55:30,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:55:30,079 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 [2024-12-02 05:55:30,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:55:30,081 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 05:55:30,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-12-02 05:55:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:55:30,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 05:55:30,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:55:30,649 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-12-02 05:55:30,649 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:55:30,649 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:55:30,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555814622] [2024-12-02 05:55:30,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1555814622] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:55:30,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:55:30,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 05:55:30,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017605741] [2024-12-02 05:55:30,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:55:30,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:55:30,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:55:30,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:55:30,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:55:30,651 INFO L87 Difference]: Start difference. First operand 462 states and 650 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 05:55:30,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:55:30,864 INFO L93 Difference]: Finished difference Result 755 states and 1056 transitions. [2024-12-02 05:55:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:55:30,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 163 [2024-12-02 05:55:30,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:55:30,866 INFO L225 Difference]: With dead ends: 755 [2024-12-02 05:55:30,866 INFO L226 Difference]: Without dead ends: 290 [2024-12-02 05:55:30,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:55:30,867 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:55:30,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 716 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:55:30,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-12-02 05:55:30,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 282. [2024-12-02 05:55:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 236 states have (on average 1.3177966101694916) internal successors, (311), 238 states have internal predecessors, (311), 39 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 37 states have call predecessors, (39), 39 states have call successors, (39) [2024-12-02 05:55:30,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 389 transitions. [2024-12-02 05:55:30,888 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 389 transitions. Word has length 163 [2024-12-02 05:55:30,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:55:30,889 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 389 transitions. [2024-12-02 05:55:30,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 05:55:30,889 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 389 transitions. [2024-12-02 05:55:30,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 05:55:30,890 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:55:30,890 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:55:30,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-12-02 05:55:31,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:55:31,091 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:55:31,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:55:31,091 INFO L85 PathProgramCache]: Analyzing trace with hash 140042869, now seen corresponding path program 1 times [2024-12-02 05:55:31,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:55:31,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646698398] [2024-12-02 05:55:31,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:55:31,091 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 [2024-12-02 05:55:31,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:55:31,093 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 05:55:31,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-12-02 05:55:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:55:54,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-02 05:55:54,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:55:54,617 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 [2024-12-02 05:55:55,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32 [2024-12-02 05:55:55,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32 [2024-12-02 05:55:59,384 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 05:55:59,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 214 treesize of output 105 [2024-12-02 05:56:13,095 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 05:56:13,095 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 388 treesize of output 136 [2024-12-02 05:56:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 355 proven. 69 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-12-02 05:56:14,983 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:56:47,619 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:56:47,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646698398] [2024-12-02 05:56:47,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646698398] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:56:47,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [851081867] [2024-12-02 05:56:47,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:56:47,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 05:56:47,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 05:56:47,621 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 05:56:47,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-02 05:58:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:58:23,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-12-02 05:58:23,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:58:26,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 05:58:36,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2024-12-02 05:58:48,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 59 [2024-12-02 05:59:07,693 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 05:59:07,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 214 treesize of output 124 [2024-12-02 05:59:36,745 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 05:59:36,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 322 treesize of output 142 [2024-12-02 05:59:37,703 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 325 proven. 99 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-12-02 05:59:37,703 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:00:18,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [851081867] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:00:18,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:00:18,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 35] total 58 [2024-12-02 06:00:18,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840931300] [2024-12-02 06:00:18,484 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:00:18,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-12-02 06:00:18,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:00:18,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-12-02 06:00:18,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3963, Unknown=0, NotChecked=0, Total=4692 [2024-12-02 06:00:18,487 INFO L87 Difference]: Start difference. First operand 282 states and 389 transitions. Second operand has 59 states, 54 states have (on average 2.962962962962963) internal successors, (160), 51 states have internal predecessors, (160), 10 states have call successors, (38), 10 states have call predecessors, (38), 10 states have return successors, (38), 7 states have call predecessors, (38), 10 states have call successors, (38) [2024-12-02 06:04:30,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:04:32,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:04:36,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:04:37,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:04:42,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:04:46,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:04:50,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:04:50,930 INFO L93 Difference]: Finished difference Result 2737 states and 3732 transitions. [2024-12-02 06:04:50,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-12-02 06:04:50,931 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 54 states have (on average 2.962962962962963) internal successors, (160), 51 states have internal predecessors, (160), 10 states have call successors, (38), 10 states have call predecessors, (38), 10 states have return successors, (38), 7 states have call predecessors, (38), 10 states have call successors, (38) Word has length 164 [2024-12-02 06:04:50,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:04:50,940 INFO L225 Difference]: With dead ends: 2737 [2024-12-02 06:04:50,940 INFO L226 Difference]: Without dead ends: 2458 [2024-12-02 06:04:50,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 304 SyntacticMatches, 1 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5101 ImplicationChecksByTransitivity, 322.4s TimeCoverageRelationStatistics Valid=2505, Invalid=15041, Unknown=10, NotChecked=0, Total=17556 [2024-12-02 06:04:50,944 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 3306 mSDsluCounter, 3894 mSDsCounter, 0 mSdLazyCounter, 4487 mSolverCounterSat, 728 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3369 SdHoareTripleChecker+Valid, 4017 SdHoareTripleChecker+Invalid, 5226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 728 IncrementalHoareTripleChecker+Valid, 4487 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:04:50,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3369 Valid, 4017 Invalid, 5226 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [728 Valid, 4487 Invalid, 11 Unknown, 0 Unchecked, 77.0s Time] [2024-12-02 06:04:50,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2024-12-02 06:04:51,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 1112. [2024-12-02 06:04:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 934 states have (on average 1.322269807280514) internal successors, (1235), 946 states have internal predecessors, (1235), 149 states have call successors, (149), 28 states have call predecessors, (149), 28 states have return successors, (149), 137 states have call predecessors, (149), 149 states have call successors, (149) [2024-12-02 06:04:51,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1533 transitions. [2024-12-02 06:04:51,054 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1533 transitions. Word has length 164 [2024-12-02 06:04:51,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:04:51,054 INFO L471 AbstractCegarLoop]: Abstraction has 1112 states and 1533 transitions. [2024-12-02 06:04:51,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 54 states have (on average 2.962962962962963) internal successors, (160), 51 states have internal predecessors, (160), 10 states have call successors, (38), 10 states have call predecessors, (38), 10 states have return successors, (38), 7 states have call predecessors, (38), 10 states have call successors, (38) [2024-12-02 06:04:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1533 transitions. [2024-12-02 06:04:51,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 06:04:51,057 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:04:51,057 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:04:51,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-12-02 06:04:51,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-12-02 06:04:51,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:04:51,458 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:04:51,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:04:51,458 INFO L85 PathProgramCache]: Analyzing trace with hash -252984141, now seen corresponding path program 1 times [2024-12-02 06:04:51,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:04:51,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958100192] [2024-12-02 06:04:51,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:04:51,459 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 [2024-12-02 06:04:51,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:04:51,461 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:04:51,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-12-02 06:04:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:04:52,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 06:04:52,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:04:52,265 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 [2024-12-02 06:04:52,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32 [2024-12-02 06:04:55,458 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:04:55,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 56 [2024-12-02 06:04:55,584 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:04:55,584 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 164 treesize of output 56 [2024-12-02 06:04:55,744 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 35 proven. 369 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-12-02 06:04:55,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:04:56,224 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 06:04:56,224 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:04:56,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958100192] [2024-12-02 06:04:56,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958100192] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:04:56,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:04:56,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 23 [2024-12-02 06:04:56,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743860937] [2024-12-02 06:04:56,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:04:56,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:04:56,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:04:56,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:04:56,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:04:56,225 INFO L87 Difference]: Start difference. First operand 1112 states and 1533 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 06:04:57,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:04:57,865 INFO L93 Difference]: Finished difference Result 2718 states and 3751 transitions. [2024-12-02 06:04:57,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:04:57,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-12-02 06:04:57,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:04:57,872 INFO L225 Difference]: With dead ends: 2718 [2024-12-02 06:04:57,872 INFO L226 Difference]: Without dead ends: 1609 [2024-12-02 06:04:57,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2024-12-02 06:04:57,874 INFO L435 NwaCegarLoop]: 245 mSDtfsCounter, 95 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:04:57,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 737 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 06:04:57,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1609 states. [2024-12-02 06:04:57,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1609 to 1434. [2024-12-02 06:04:57,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1434 states, 1224 states have (on average 1.332516339869281) internal successors, (1631), 1242 states have internal predecessors, (1631), 174 states have call successors, (174), 35 states have call predecessors, (174), 35 states have return successors, (174), 156 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 06:04:57,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 1979 transitions. [2024-12-02 06:04:57,958 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 1979 transitions. Word has length 164 [2024-12-02 06:04:57,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:04:57,958 INFO L471 AbstractCegarLoop]: Abstraction has 1434 states and 1979 transitions. [2024-12-02 06:04:57,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 06:04:57,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1979 transitions. [2024-12-02 06:04:57,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 06:04:57,961 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:04:57,961 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:04:57,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-12-02 06:04:58,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:04:58,162 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:04:58,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:04:58,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1548900873, now seen corresponding path program 1 times [2024-12-02 06:04:58,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:04:58,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430613751] [2024-12-02 06:04:58,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:04:58,163 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 [2024-12-02 06:04:58,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:04:58,165 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:04:58,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-12-02 06:04:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:04:58,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 06:04:58,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:04:58,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 06:04:59,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32 [2024-12-02 06:05:02,056 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:05:02,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 57 [2024-12-02 06:05:02,175 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:05:02,176 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 165 treesize of output 57 [2024-12-02 06:05:02,291 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 35 proven. 369 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-12-02 06:05:02,291 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:05:02,810 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 06:05:02,810 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:05:02,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430613751] [2024-12-02 06:05:02,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430613751] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:05:02,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:05:02,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 23 [2024-12-02 06:05:02,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207029625] [2024-12-02 06:05:02,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:02,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:05:02,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:05:02,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:05:02,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:05:02,812 INFO L87 Difference]: Start difference. First operand 1434 states and 1979 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 06:05:04,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:04,529 INFO L93 Difference]: Finished difference Result 3343 states and 4608 transitions. [2024-12-02 06:05:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:05:04,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-12-02 06:05:04,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:04,535 INFO L225 Difference]: With dead ends: 3343 [2024-12-02 06:05:04,535 INFO L226 Difference]: Without dead ends: 1912 [2024-12-02 06:05:04,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2024-12-02 06:05:04,538 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 182 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:05:04,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 468 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 06:05:04,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2024-12-02 06:05:04,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1372. [2024-12-02 06:05:04,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1162 states have (on average 1.3227194492254732) internal successors, (1537), 1180 states have internal predecessors, (1537), 174 states have call successors, (174), 35 states have call predecessors, (174), 35 states have return successors, (174), 156 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 06:05:04,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1885 transitions. [2024-12-02 06:05:04,671 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1885 transitions. Word has length 164 [2024-12-02 06:05:04,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:04,672 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1885 transitions. [2024-12-02 06:05:04,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 06:05:04,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1885 transitions. [2024-12-02 06:05:04,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 06:05:04,676 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:04,676 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:05:04,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-12-02 06:05:04,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:05:04,876 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:04,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:04,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1941927883, now seen corresponding path program 1 times [2024-12-02 06:05:04,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:05:04,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671194509] [2024-12-02 06:05:04,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:04,878 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 [2024-12-02 06:05:04,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:05:04,879 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:05:04,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-12-02 06:05:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:24,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-02 06:05:24,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:05:24,441 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 [2024-12-02 06:05:25,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32 [2024-12-02 06:05:26,333 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:05:26,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 136 treesize of output 63 [2024-12-02 06:05:28,927 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:05:28,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 214 treesize of output 105 [2024-12-02 06:05:42,336 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:05:42,336 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 361 treesize of output 127 [2024-12-02 06:05:43,583 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 308 proven. 72 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-12-02 06:05:43,583 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:06:09,419 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:06:09,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [671194509] [2024-12-02 06:06:09,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [671194509] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:06:09,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [310227949] [2024-12-02 06:06:09,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:06:09,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:06:09,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:06:09,421 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:06:09,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fef2ccb-1187-4698-85cb-214960f0e290/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-02 06:07:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:15,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-12-02 06:07:15,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:07:18,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:07:27,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2024-12-02 06:07:38,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 59 [2024-12-02 06:07:58,424 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:07:58,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 208 treesize of output 118 [2024-12-02 06:09:12,700 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:09:12,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 384 treesize of output 168 [2024-12-02 06:09:16,783 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 325 proven. 99 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-12-02 06:09:16,784 INFO L312 TraceCheckSpWp]: Computing backward predicates...