./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 962be9cd8b592d9cbf1ca24e2eb1efd6754550bace2271743b15f2e4c8026f80 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:16:00,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:16:00,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 05:16:00,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:16:00,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:16:01,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:16:01,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:16:01,016 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:16:01,016 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:16:01,017 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:16:01,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:16:01,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:16:01,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:16:01,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:16:01,018 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:16:01,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:16:01,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:16:01,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:16:01,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:16:01,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:16:01,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:16:01,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:16:01,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:16:01,021 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:16:01,021 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:16:01,021 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:16:01,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:16:01,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:16:01,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:16:01,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:01,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:16:01,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:16:01,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:16:01,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:16:01,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:01,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:16:01,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:16:01,023 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:16:01,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:16:01,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:16:01,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:16:01,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:16:01,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:16:01,024 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:16:01,024 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:16:01,024 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_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 962be9cd8b592d9cbf1ca24e2eb1efd6754550bace2271743b15f2e4c8026f80 [2024-11-28 05:16:01,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:16:01,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:16:01,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:16:01,428 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:16:01,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:16:01,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c [2024-11-28 05:16:04,545 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/data/83707d539/c38769b3a2a2475abf762d83d60c5e4d/FLAG240f1564b [2024-11-28 05:16:05,118 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:16:05,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c [2024-11-28 05:16:05,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/data/83707d539/c38769b3a2a2475abf762d83d60c5e4d/FLAG240f1564b [2024-11-28 05:16:05,165 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/data/83707d539/c38769b3a2a2475abf762d83d60c5e4d [2024-11-28 05:16:05,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:16:05,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:16:05,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:16:05,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:16:05,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:16:05,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:16:05" (1/1) ... [2024-11-28 05:16:05,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3757488d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:05, skipping insertion in model container [2024-11-28 05:16:05,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:16:05" (1/1) ... [2024-11-28 05:16:05,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:16:05,546 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_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c[1170,1183] [2024-11-28 05:16:06,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:16:06,120 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:16:06,136 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_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c[1170,1183] [2024-11-28 05:16:06,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:16:06,560 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:16:06,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:06 WrapperNode [2024-11-28 05:16:06,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:16:06,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:16:06,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:16:06,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:16:06,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:06" (1/1) ... [2024-11-28 05:16:06,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:06" (1/1) ... [2024-11-28 05:16:07,727 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7903 [2024-11-28 05:16:07,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:16:07,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:16:07,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:16:07,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:16:07,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:06" (1/1) ... [2024-11-28 05:16:07,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:06" (1/1) ... [2024-11-28 05:16:08,010 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:06" (1/1) ... [2024-11-28 05:16:08,288 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 05:16:08,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:06" (1/1) ... [2024-11-28 05:16:08,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:06" (1/1) ... [2024-11-28 05:16:08,654 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:06" (1/1) ... [2024-11-28 05:16:08,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:06" (1/1) ... [2024-11-28 05:16:08,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:06" (1/1) ... [2024-11-28 05:16:08,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:06" (1/1) ... [2024-11-28 05:16:08,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:06" (1/1) ... [2024-11-28 05:16:09,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:16:09,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:16:09,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:16:09,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:16:09,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:06" (1/1) ... [2024-11-28 05:16:09,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:09,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:09,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:16:09,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:16:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:16:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:16:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:16:09,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:16:09,921 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:16:09,923 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:16:23,777 INFO L? ?]: Removed 4470 outVars from TransFormulas that were not future-live. [2024-11-28 05:16:23,778 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:16:23,847 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:16:23,847 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 05:16:23,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:23 BoogieIcfgContainer [2024-11-28 05:16:23,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:16:23,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:16:23,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:16:23,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:16:23,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:16:05" (1/3) ... [2024-11-28 05:16:23,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213f5967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:16:23, skipping insertion in model container [2024-11-28 05:16:23,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:06" (2/3) ... [2024-11-28 05:16:23,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213f5967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:16:23, skipping insertion in model container [2024-11-28 05:16:23,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:23" (3/3) ... [2024-11-28 05:16:23,859 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.1.prop1-func-interl.c [2024-11-28 05:16:23,878 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:16:23,880 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mcs.1.prop1-func-interl.c that has 1 procedures, 2786 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:16:24,005 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:16:24,023 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;@4febacbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:16:24,024 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:16:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 2786 states, 2784 states have (on average 1.5010775862068966) internal successors, (4179), 2785 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:24,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 05:16:24,064 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:24,065 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:24,065 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:24,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:24,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1616274870, now seen corresponding path program 1 times [2024-11-28 05:16:24,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:24,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218446617] [2024-11-28 05:16:24,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:24,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:25,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:25,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:25,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218446617] [2024-11-28 05:16:25,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218446617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:25,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:25,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:16:25,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547296996] [2024-11-28 05:16:25,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:25,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:16:25,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:25,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:16:25,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:16:25,759 INFO L87 Difference]: Start difference. First operand has 2786 states, 2784 states have (on average 1.5010775862068966) internal successors, (4179), 2785 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:26,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:26,111 INFO L93 Difference]: Finished difference Result 5405 states and 8111 transitions. [2024-11-28 05:16:26,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:16:26,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2024-11-28 05:16:26,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:26,158 INFO L225 Difference]: With dead ends: 5405 [2024-11-28 05:16:26,158 INFO L226 Difference]: Without dead ends: 2785 [2024-11-28 05:16:26,171 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 [2024-11-28 05:16:26,179 INFO L435 NwaCegarLoop]: 4173 mSDtfsCounter, 0 mSDsluCounter, 8340 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12513 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:26,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12513 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:26,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2024-11-28 05:16:26,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 2785. [2024-11-28 05:16:26,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2785 states, 2784 states have (on average 1.5003591954022988) internal successors, (4177), 2784 states have internal predecessors, (4177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:26,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2785 states and 4177 transitions. [2024-11-28 05:16:26,379 INFO L78 Accepts]: Start accepts. Automaton has 2785 states and 4177 transitions. Word has length 121 [2024-11-28 05:16:26,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:26,382 INFO L471 AbstractCegarLoop]: Abstraction has 2785 states and 4177 transitions. [2024-11-28 05:16:26,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:26,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 4177 transitions. [2024-11-28 05:16:26,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 05:16:26,385 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:26,385 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:26,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:16:26,385 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:26,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:26,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1436782489, now seen corresponding path program 1 times [2024-11-28 05:16:26,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:26,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079489006] [2024-11-28 05:16:26,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:26,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:26,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:26,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:26,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079489006] [2024-11-28 05:16:26,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079489006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:26,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:26,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:16:26,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959385451] [2024-11-28 05:16:26,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:26,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:16:26,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:26,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:16:26,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:16:26,986 INFO L87 Difference]: Start difference. First operand 2785 states and 4177 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:27,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:27,145 INFO L93 Difference]: Finished difference Result 5406 states and 8109 transitions. [2024-11-28 05:16:27,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:16:27,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2024-11-28 05:16:27,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:27,161 INFO L225 Difference]: With dead ends: 5406 [2024-11-28 05:16:27,161 INFO L226 Difference]: Without dead ends: 2787 [2024-11-28 05:16:27,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:16:27,169 INFO L435 NwaCegarLoop]: 4173 mSDtfsCounter, 0 mSDsluCounter, 8336 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12509 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:27,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12509 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:27,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2787 states. [2024-11-28 05:16:27,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2787 to 2787. [2024-11-28 05:16:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2787 states, 2786 states have (on average 1.5) internal successors, (4179), 2786 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:27,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2787 states and 4179 transitions. [2024-11-28 05:16:27,251 INFO L78 Accepts]: Start accepts. Automaton has 2787 states and 4179 transitions. Word has length 122 [2024-11-28 05:16:27,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:27,252 INFO L471 AbstractCegarLoop]: Abstraction has 2787 states and 4179 transitions. [2024-11-28 05:16:27,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:27,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 4179 transitions. [2024-11-28 05:16:27,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-28 05:16:27,260 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:27,260 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:27,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:16:27,262 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:27,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:27,262 INFO L85 PathProgramCache]: Analyzing trace with hash 492619011, now seen corresponding path program 1 times [2024-11-28 05:16:27,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:27,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944905212] [2024-11-28 05:16:27,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:27,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:27,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:27,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:27,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944905212] [2024-11-28 05:16:27,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944905212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:27,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:27,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:16:27,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023111855] [2024-11-28 05:16:27,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:27,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:16:27,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:27,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:16:27,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:16:27,733 INFO L87 Difference]: Start difference. First operand 2787 states and 4179 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:27,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:27,962 INFO L93 Difference]: Finished difference Result 5414 states and 8119 transitions. [2024-11-28 05:16:27,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:16:27,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2024-11-28 05:16:27,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:27,974 INFO L225 Difference]: With dead ends: 5414 [2024-11-28 05:16:27,974 INFO L226 Difference]: Without dead ends: 2793 [2024-11-28 05:16:27,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:16:27,978 INFO L435 NwaCegarLoop]: 4173 mSDtfsCounter, 4 mSDsluCounter, 8330 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 12503 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:27,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 12503 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:27,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2793 states. [2024-11-28 05:16:28,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2793 to 2793. [2024-11-28 05:16:28,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2793 states, 2792 states have (on average 1.4996418338108883) internal successors, (4187), 2792 states have internal predecessors, (4187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:28,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2793 states and 4187 transitions. [2024-11-28 05:16:28,051 INFO L78 Accepts]: Start accepts. Automaton has 2793 states and 4187 transitions. Word has length 123 [2024-11-28 05:16:28,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:28,052 INFO L471 AbstractCegarLoop]: Abstraction has 2793 states and 4187 transitions. [2024-11-28 05:16:28,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:28,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2793 states and 4187 transitions. [2024-11-28 05:16:28,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 05:16:28,054 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:28,054 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:28,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:16:28,054 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:28,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:28,055 INFO L85 PathProgramCache]: Analyzing trace with hash -854622169, now seen corresponding path program 1 times [2024-11-28 05:16:28,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:28,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204619617] [2024-11-28 05:16:28,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:28,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:28,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:28,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:28,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204619617] [2024-11-28 05:16:28,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204619617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:28,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:28,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:16:28,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859899091] [2024-11-28 05:16:28,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:28,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:16:28,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:28,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:16:28,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:28,518 INFO L87 Difference]: Start difference. First operand 2793 states and 4187 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:28,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:28,742 INFO L93 Difference]: Finished difference Result 5424 states and 8131 transitions. [2024-11-28 05:16:28,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:16:28,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2024-11-28 05:16:28,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:28,756 INFO L225 Difference]: With dead ends: 5424 [2024-11-28 05:16:28,757 INFO L226 Difference]: Without dead ends: 2797 [2024-11-28 05:16:28,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:28,762 INFO L435 NwaCegarLoop]: 4173 mSDtfsCounter, 0 mSDsluCounter, 12485 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16658 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:28,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16658 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:16:28,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2024-11-28 05:16:28,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 2793. [2024-11-28 05:16:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2793 states, 2792 states have (on average 1.4996418338108883) internal successors, (4187), 2792 states have internal predecessors, (4187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:28,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2793 states and 4187 transitions. [2024-11-28 05:16:28,863 INFO L78 Accepts]: Start accepts. Automaton has 2793 states and 4187 transitions. Word has length 124 [2024-11-28 05:16:28,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:28,865 INFO L471 AbstractCegarLoop]: Abstraction has 2793 states and 4187 transitions. [2024-11-28 05:16:28,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:28,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2793 states and 4187 transitions. [2024-11-28 05:16:28,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 05:16:28,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:28,868 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:28,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:16:28,869 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:28,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:28,870 INFO L85 PathProgramCache]: Analyzing trace with hash 185404092, now seen corresponding path program 1 times [2024-11-28 05:16:28,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:28,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216423087] [2024-11-28 05:16:28,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:28,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:29,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:29,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:29,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216423087] [2024-11-28 05:16:29,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216423087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:29,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:29,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:16:29,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934122899] [2024-11-28 05:16:29,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:29,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:16:29,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:29,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:16:29,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:29,638 INFO L87 Difference]: Start difference. First operand 2793 states and 4187 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:33,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:33,950 INFO L93 Difference]: Finished difference Result 8031 states and 12041 transitions. [2024-11-28 05:16:33,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:16:33,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2024-11-28 05:16:33,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:33,969 INFO L225 Difference]: With dead ends: 8031 [2024-11-28 05:16:33,969 INFO L226 Difference]: Without dead ends: 5404 [2024-11-28 05:16:33,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:16:33,974 INFO L435 NwaCegarLoop]: 3279 mSDtfsCounter, 4045 mSDsluCounter, 9700 mSDsCounter, 0 mSdLazyCounter, 3474 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4045 SdHoareTripleChecker+Valid, 12979 SdHoareTripleChecker+Invalid, 3475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:33,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4045 Valid, 12979 Invalid, 3475 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3474 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-28 05:16:33,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5404 states. [2024-11-28 05:16:34,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5404 to 2848. [2024-11-28 05:16:34,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2848 states, 2847 states have (on average 1.4991218826835264) internal successors, (4268), 2847 states have internal predecessors, (4268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:34,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2848 states to 2848 states and 4268 transitions. [2024-11-28 05:16:34,053 INFO L78 Accepts]: Start accepts. Automaton has 2848 states and 4268 transitions. Word has length 125 [2024-11-28 05:16:34,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:34,053 INFO L471 AbstractCegarLoop]: Abstraction has 2848 states and 4268 transitions. [2024-11-28 05:16:34,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:34,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2848 states and 4268 transitions. [2024-11-28 05:16:34,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-28 05:16:34,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:34,055 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:34,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:16:34,055 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:34,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:34,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1686544483, now seen corresponding path program 1 times [2024-11-28 05:16:34,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:34,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528868486] [2024-11-28 05:16:34,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:34,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:34,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:34,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:34,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528868486] [2024-11-28 05:16:34,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528868486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:34,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:34,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:16:34,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669163702] [2024-11-28 05:16:34,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:34,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:16:34,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:34,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:16:34,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:16:34,889 INFO L87 Difference]: Start difference. First operand 2848 states and 4268 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:38,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:38,411 INFO L93 Difference]: Finished difference Result 5490 states and 8228 transitions. [2024-11-28 05:16:38,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:16:38,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2024-11-28 05:16:38,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:38,424 INFO L225 Difference]: With dead ends: 5490 [2024-11-28 05:16:38,424 INFO L226 Difference]: Without dead ends: 2863 [2024-11-28 05:16:38,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:16:38,429 INFO L435 NwaCegarLoop]: 3267 mSDtfsCounter, 4078 mSDsluCounter, 9787 mSDsCounter, 0 mSdLazyCounter, 3645 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4078 SdHoareTripleChecker+Valid, 13054 SdHoareTripleChecker+Invalid, 3646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:38,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4078 Valid, 13054 Invalid, 3646 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3645 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-28 05:16:38,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2863 states. [2024-11-28 05:16:38,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2863 to 2861. [2024-11-28 05:16:38,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2861 states, 2860 states have (on average 1.4975524475524475) internal successors, (4283), 2860 states have internal predecessors, (4283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:38,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2861 states and 4283 transitions. [2024-11-28 05:16:38,506 INFO L78 Accepts]: Start accepts. Automaton has 2861 states and 4283 transitions. Word has length 126 [2024-11-28 05:16:38,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:38,506 INFO L471 AbstractCegarLoop]: Abstraction has 2861 states and 4283 transitions. [2024-11-28 05:16:38,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:38,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2861 states and 4283 transitions. [2024-11-28 05:16:38,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-28 05:16:38,508 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:38,508 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:38,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:16:38,509 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:38,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:38,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1062618461, now seen corresponding path program 1 times [2024-11-28 05:16:38,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:38,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134011986] [2024-11-28 05:16:38,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:38,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:16:38,608 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:16:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:16:38,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:16:38,838 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:16:38,839 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:16:38,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:16:38,846 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:38,988 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:16:38,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:16:38 BoogieIcfgContainer [2024-11-28 05:16:38,993 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:16:38,995 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:16:38,995 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:16:38,995 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:16:38,996 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:23" (3/4) ... [2024-11-28 05:16:38,998 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:16:38,999 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:16:39,000 INFO L158 Benchmark]: Toolchain (without parser) took 33831.56ms. Allocated memory was 142.6MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 100.5MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 863.0MB. Max. memory is 16.1GB. [2024-11-28 05:16:39,002 INFO L158 Benchmark]: CDTParser took 1.79ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:16:39,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1392.35ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 100.1MB in the beginning and 77.6MB in the end (delta: 22.5MB). Peak memory consumption was 112.2MB. Max. memory is 16.1GB. [2024-11-28 05:16:39,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 1163.54ms. Allocated memory was 151.0MB in the beginning and 453.0MB in the end (delta: 302.0MB). Free memory was 77.6MB in the beginning and 267.2MB in the end (delta: -189.6MB). Peak memory consumption was 175.3MB. Max. memory is 16.1GB. [2024-11-28 05:16:39,004 INFO L158 Benchmark]: Boogie Preprocessor took 1399.09ms. Allocated memory was 453.0MB in the beginning and 1.4GB in the end (delta: 906.0MB). Free memory was 267.2MB in the beginning and 1.1GB in the end (delta: -855.7MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. [2024-11-28 05:16:39,004 INFO L158 Benchmark]: RCFGBuilder took 14719.57ms. Allocated memory was 1.4GB in the beginning and 2.7GB in the end (delta: 1.4GB). Free memory was 1.1GB in the beginning and 2.3GB in the end (delta: -1.2GB). Peak memory consumption was 842.4MB. Max. memory is 16.1GB. [2024-11-28 05:16:39,005 INFO L158 Benchmark]: TraceAbstraction took 15143.01ms. Allocated memory is still 2.7GB. Free memory was 2.3GB in the beginning and 1.8GB in the end (delta: 520.4MB). Peak memory consumption was 524.6MB. Max. memory is 16.1GB. [2024-11-28 05:16:39,005 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 2.7GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 145.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:16:39,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.79ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1392.35ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 100.1MB in the beginning and 77.6MB in the end (delta: 22.5MB). Peak memory consumption was 112.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1163.54ms. Allocated memory was 151.0MB in the beginning and 453.0MB in the end (delta: 302.0MB). Free memory was 77.6MB in the beginning and 267.2MB in the end (delta: -189.6MB). Peak memory consumption was 175.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1399.09ms. Allocated memory was 453.0MB in the beginning and 1.4GB in the end (delta: 906.0MB). Free memory was 267.2MB in the beginning and 1.1GB in the end (delta: -855.7MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. * RCFGBuilder took 14719.57ms. Allocated memory was 1.4GB in the beginning and 2.7GB in the end (delta: 1.4GB). Free memory was 1.1GB in the beginning and 2.3GB in the end (delta: -1.2GB). Peak memory consumption was 842.4MB. Max. memory is 16.1GB. * TraceAbstraction took 15143.01ms. Allocated memory is still 2.7GB. Free memory was 2.3GB in the beginning and 1.8GB in the end (delta: 520.4MB). Peak memory consumption was 524.6MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 2.7GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 145.6kB). 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: 21]: 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 bitwiseAnd at line 286, overapproximation of bitwiseAnd at line 288. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L35] const SORT_2 var_4 = 0; [L36] const SORT_1 var_25 = 0; [L37] const SORT_3 var_88 = 1; [L38] const SORT_3 var_89 = 0; [L39] const SORT_2 var_98 = 255; [L40] const SORT_2 var_100 = 0; [L41] const SORT_2 var_103 = 2; [L42] const SORT_2 var_107 = 1; [L44] SORT_1 input_99; [L45] SORT_1 input_104; [L46] SORT_1 input_108; [L47] SORT_1 input_111; [L48] SORT_1 input_123; [L49] SORT_1 input_135; [L50] SORT_1 input_147; [L51] SORT_1 input_150; [L52] SORT_1 input_153; [L53] SORT_1 input_156; [L54] SORT_1 input_166; [L55] SORT_1 input_176; [L56] SORT_1 input_186; [L57] SORT_1 input_187; [L58] SORT_1 input_188; [L59] SORT_1 input_189; [L60] SORT_1 input_190; [L61] SORT_1 input_191; [L62] SORT_1 input_215; [L63] SORT_1 input_217; [L64] SORT_1 input_227; [L65] SORT_1 input_232; [L66] SORT_1 input_234; [L67] SORT_1 input_239; [L68] SORT_1 input_243; [L69] SORT_1 input_258; [L70] SORT_1 input_260; [L71] SORT_1 input_270; [L72] SORT_1 input_275; [L73] SORT_1 input_277; [L74] SORT_1 input_282; [L75] SORT_1 input_286; [L76] SORT_1 input_301; [L77] SORT_1 input_303; [L78] SORT_1 input_313; [L79] SORT_1 input_318; [L80] SORT_1 input_320; [L81] SORT_1 input_325; [L82] SORT_1 input_329; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L84] SORT_2 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L85] SORT_2 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L86] SORT_2 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L87] SORT_2 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L88] SORT_2 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L89] SORT_2 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L90] SORT_2 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L91] SORT_2 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L92] SORT_2 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L93] SORT_2 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L94] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L95] SORT_1 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L96] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L97] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L98] SORT_1 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L99] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L100] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L101] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L102] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L103] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L104] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L105] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L106] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L107] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L108] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L109] SORT_1 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L110] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L111] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L112] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L113] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L114] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L115] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L116] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L117] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L118] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L119] SORT_1 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L120] SORT_1 state_78 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L121] SORT_1 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L122] SORT_1 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L123] SORT_1 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L124] SORT_1 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] SORT_2 init_6_arg_1 = var_4; [L127] state_5 = init_6_arg_1 [L128] SORT_2 init_8_arg_1 = var_4; [L129] state_7 = init_8_arg_1 [L130] SORT_2 init_10_arg_1 = var_4; [L131] state_9 = init_10_arg_1 [L132] SORT_2 init_12_arg_1 = var_4; [L133] state_11 = init_12_arg_1 [L134] SORT_2 init_14_arg_1 = var_4; [L135] state_13 = init_14_arg_1 [L136] SORT_2 init_16_arg_1 = var_4; [L137] state_15 = init_16_arg_1 [L138] SORT_2 init_18_arg_1 = var_4; [L139] state_17 = init_18_arg_1 [L140] SORT_2 init_20_arg_1 = var_4; [L141] state_19 = init_20_arg_1 [L142] SORT_2 init_22_arg_1 = var_4; [L143] state_21 = init_22_arg_1 [L144] SORT_2 init_24_arg_1 = var_4; [L145] state_23 = init_24_arg_1 [L146] SORT_1 init_27_arg_1 = var_25; [L147] state_26 = init_27_arg_1 [L148] SORT_1 init_29_arg_1 = var_25; [L149] state_28 = init_29_arg_1 [L150] SORT_1 init_31_arg_1 = var_25; [L151] state_30 = init_31_arg_1 [L152] SORT_1 init_33_arg_1 = var_25; [L153] state_32 = init_33_arg_1 [L154] SORT_1 init_35_arg_1 = var_25; [L155] state_34 = init_35_arg_1 [L156] SORT_1 init_37_arg_1 = var_25; [L157] state_36 = init_37_arg_1 [L158] SORT_1 init_39_arg_1 = var_25; [L159] state_38 = init_39_arg_1 [L160] SORT_1 init_41_arg_1 = var_25; [L161] state_40 = init_41_arg_1 [L162] SORT_1 init_43_arg_1 = var_25; [L163] state_42 = init_43_arg_1 [L164] SORT_1 init_45_arg_1 = var_25; [L165] state_44 = init_45_arg_1 [L166] SORT_1 init_47_arg_1 = var_25; [L167] state_46 = init_47_arg_1 [L168] SORT_1 init_49_arg_1 = var_25; [L169] state_48 = init_49_arg_1 [L170] SORT_1 init_51_arg_1 = var_25; [L171] state_50 = init_51_arg_1 [L172] SORT_1 init_53_arg_1 = var_25; [L173] state_52 = init_53_arg_1 [L174] SORT_1 init_55_arg_1 = var_25; [L175] state_54 = init_55_arg_1 [L176] SORT_1 init_57_arg_1 = var_25; [L177] state_56 = init_57_arg_1 [L178] SORT_1 init_59_arg_1 = var_25; [L179] state_58 = init_59_arg_1 [L180] SORT_1 init_61_arg_1 = var_25; [L181] state_60 = init_61_arg_1 [L182] SORT_1 init_63_arg_1 = var_25; [L183] state_62 = init_63_arg_1 [L184] SORT_1 init_65_arg_1 = var_25; [L185] state_64 = init_65_arg_1 [L186] SORT_1 init_67_arg_1 = var_25; [L187] state_66 = init_67_arg_1 [L188] SORT_1 init_69_arg_1 = var_25; [L189] state_68 = init_69_arg_1 [L190] SORT_1 init_71_arg_1 = var_25; [L191] state_70 = init_71_arg_1 [L192] SORT_1 init_73_arg_1 = var_25; [L193] state_72 = init_73_arg_1 [L194] SORT_1 init_75_arg_1 = var_25; [L195] state_74 = init_75_arg_1 [L196] SORT_1 init_77_arg_1 = var_25; [L197] state_76 = init_77_arg_1 [L198] SORT_1 init_79_arg_1 = var_25; [L199] state_78 = init_79_arg_1 [L200] SORT_1 init_81_arg_1 = var_25; [L201] state_80 = init_81_arg_1 [L202] SORT_1 init_83_arg_1 = var_25; [L203] state_82 = init_83_arg_1 [L204] SORT_1 init_85_arg_1 = var_25; [L205] state_84 = init_85_arg_1 [L206] SORT_1 init_87_arg_1 = var_25; [L207] state_86 = init_87_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L210] input_99 = __VERIFIER_nondet_uchar() [L211] input_104 = __VERIFIER_nondet_uchar() [L212] input_108 = __VERIFIER_nondet_uchar() [L213] input_111 = __VERIFIER_nondet_uchar() [L214] EXPR input_111 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L214] input_111 = input_111 & mask_SORT_1 [L215] input_123 = __VERIFIER_nondet_uchar() [L216] EXPR input_123 & mask_SORT_1 VAL [input_111=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L216] input_123 = input_123 & mask_SORT_1 [L217] input_135 = __VERIFIER_nondet_uchar() [L218] EXPR input_135 & mask_SORT_1 VAL [input_111=0, input_123=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L218] input_135 = input_135 & mask_SORT_1 [L219] input_147 = __VERIFIER_nondet_uchar() [L220] input_150 = __VERIFIER_nondet_uchar() [L221] input_153 = __VERIFIER_nondet_uchar() [L222] input_156 = __VERIFIER_nondet_uchar() [L223] EXPR input_156 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L223] input_156 = input_156 & mask_SORT_1 [L224] input_166 = __VERIFIER_nondet_uchar() [L225] EXPR input_166 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L225] input_166 = input_166 & mask_SORT_1 [L226] input_176 = __VERIFIER_nondet_uchar() [L227] EXPR input_176 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L227] input_176 = input_176 & mask_SORT_1 [L228] input_186 = __VERIFIER_nondet_uchar() [L229] EXPR input_186 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L229] input_186 = input_186 & mask_SORT_1 [L230] input_187 = __VERIFIER_nondet_uchar() [L231] EXPR input_187 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L231] input_187 = input_187 & mask_SORT_1 [L232] input_188 = __VERIFIER_nondet_uchar() [L233] EXPR input_188 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L233] input_188 = input_188 & mask_SORT_1 [L234] input_189 = __VERIFIER_nondet_uchar() [L235] EXPR input_189 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L235] input_189 = input_189 & mask_SORT_1 [L236] input_190 = __VERIFIER_nondet_uchar() [L237] EXPR input_190 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L237] input_190 = input_190 & mask_SORT_1 [L238] input_191 = __VERIFIER_nondet_uchar() [L239] EXPR input_191 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L239] input_191 = input_191 & mask_SORT_1 [L240] input_215 = __VERIFIER_nondet_uchar() [L241] input_217 = __VERIFIER_nondet_uchar() [L242] input_227 = __VERIFIER_nondet_uchar() [L243] input_232 = __VERIFIER_nondet_uchar() [L244] input_234 = __VERIFIER_nondet_uchar() [L245] input_239 = __VERIFIER_nondet_uchar() [L246] input_243 = __VERIFIER_nondet_uchar() [L247] input_258 = __VERIFIER_nondet_uchar() [L248] input_260 = __VERIFIER_nondet_uchar() [L249] input_270 = __VERIFIER_nondet_uchar() [L250] input_275 = __VERIFIER_nondet_uchar() [L251] input_277 = __VERIFIER_nondet_uchar() [L252] input_282 = __VERIFIER_nondet_uchar() [L253] input_286 = __VERIFIER_nondet_uchar() [L254] input_301 = __VERIFIER_nondet_uchar() [L255] input_303 = __VERIFIER_nondet_uchar() [L256] input_313 = __VERIFIER_nondet_uchar() [L257] input_318 = __VERIFIER_nondet_uchar() [L258] input_320 = __VERIFIER_nondet_uchar() [L259] input_325 = __VERIFIER_nondet_uchar() [L260] input_329 = __VERIFIER_nondet_uchar() [L263] SORT_1 var_90_arg_0 = state_38; [L264] SORT_3 var_90_arg_1 = var_88; [L265] SORT_3 var_90_arg_2 = var_89; [L266] SORT_3 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L267] SORT_1 var_91_arg_0 = state_58; [L268] SORT_3 var_91_arg_1 = var_88; [L269] SORT_3 var_91_arg_2 = var_89; [L270] SORT_3 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L271] SORT_3 var_92_arg_0 = var_90; [L272] SORT_3 var_92_arg_1 = var_91; [L273] SORT_3 var_92 = var_92_arg_0 + var_92_arg_1; [L274] SORT_1 var_93_arg_0 = state_78; [L275] SORT_3 var_93_arg_1 = var_88; [L276] SORT_3 var_93_arg_2 = var_89; [L277] SORT_3 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L278] SORT_3 var_94_arg_0 = var_92; [L279] SORT_3 var_94_arg_1 = var_93; [L280] SORT_3 var_94 = var_94_arg_0 + var_94_arg_1; VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_94=0, var_98=255] [L281] EXPR var_94 & mask_SORT_3 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L281] var_94 = var_94 & mask_SORT_3 [L282] SORT_3 var_95_arg_0 = var_94; [L283] SORT_3 var_95_arg_1 = var_88; [L284] SORT_1 var_95 = var_95_arg_0 <= var_95_arg_1; [L285] SORT_1 var_96_arg_0 = ~state_86; VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_95=1, var_96_arg_0=-1, var_98=255] [L286] EXPR var_96_arg_0 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_95=1, var_98=255] [L286] var_96_arg_0 = var_96_arg_0 & mask_SORT_1 [L287] SORT_1 var_96_arg_1 = ~var_95; VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_96_arg_0=1, var_96_arg_1=-2, var_98=255] [L288] EXPR var_96_arg_1 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_96_arg_0=1, var_98=255] [L288] var_96_arg_1 = var_96_arg_1 & mask_SORT_1 [L289] EXPR var_96_arg_0 & var_96_arg_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L289] SORT_1 var_96 = var_96_arg_0 & var_96_arg_1; [L290] EXPR var_96 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L290] var_96 = var_96 & mask_SORT_1 [L291] SORT_1 bad_97_arg_0 = var_96; [L292] CALL __VERIFIER_assert(!(bad_97_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2786 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8127 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8127 mSDsluCounter, 80216 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56978 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7207 IncrementalHoareTripleChecker+Invalid, 7210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 23238 mSDtfsCounter, 7207 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2861occurred in iteration=6, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 2562 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 868 NumberOfCodeBlocks, 868 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 735 ConstructedInterpolants, 0 QuantifiedInterpolants, 2131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 05:16:39,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 962be9cd8b592d9cbf1ca24e2eb1efd6754550bace2271743b15f2e4c8026f80 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:16:42,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:16:42,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-28 05:16:42,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:16:42,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:16:42,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:16:42,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:16:42,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:16:42,278 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:16:42,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:16:42,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:16:42,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:16:42,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:16:42,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:16:42,280 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:16:42,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:16:42,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:16:42,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:16:42,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:16:42,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:16:42,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:16:42,282 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:16:42,282 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 05:16:42,282 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 05:16:42,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:16:42,283 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:16:42,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:16:42,283 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:16:42,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:16:42,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:16:42,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:16:42,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:42,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:16:42,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:16:42,285 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:16:42,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:16:42,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:42,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:16:42,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:16:42,285 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:16:42,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:16:42,286 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 05:16:42,286 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 05:16:42,286 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:16:42,286 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:16:42,286 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:16:42,286 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:16:42,286 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_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 962be9cd8b592d9cbf1ca24e2eb1efd6754550bace2271743b15f2e4c8026f80 [2024-11-28 05:16:42,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:16:42,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:16:42,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:16:42,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:16:42,708 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:16:42,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c [2024-11-28 05:16:45,855 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/data/25ab15c55/87399e9610b94ab19b5b46aa50c6adb4/FLAG073234640 [2024-11-28 05:16:46,396 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:16:46,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c [2024-11-28 05:16:46,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/data/25ab15c55/87399e9610b94ab19b5b46aa50c6adb4/FLAG073234640 [2024-11-28 05:16:46,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/data/25ab15c55/87399e9610b94ab19b5b46aa50c6adb4 [2024-11-28 05:16:46,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:16:46,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:16:46,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:16:46,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:16:46,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:16:46,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:16:46" (1/1) ... [2024-11-28 05:16:46,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c3ac48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:46, skipping insertion in model container [2024-11-28 05:16:46,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:16:46" (1/1) ... [2024-11-28 05:16:46,593 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:16:46,889 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_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c[1170,1183] [2024-11-28 05:16:47,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:16:47,451 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:16:47,469 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_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c[1170,1183] [2024-11-28 05:16:47,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:16:47,740 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:16:47,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:47 WrapperNode [2024-11-28 05:16:47,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:16:47,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:16:47,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:16:47,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:16:47,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:47" (1/1) ... [2024-11-28 05:16:47,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:47" (1/1) ... [2024-11-28 05:16:47,951 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2351 [2024-11-28 05:16:47,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:16:47,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:16:47,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:16:47,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:16:47,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:47" (1/1) ... [2024-11-28 05:16:47,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:47" (1/1) ... [2024-11-28 05:16:48,020 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:47" (1/1) ... [2024-11-28 05:16:48,085 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 05:16:48,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:47" (1/1) ... [2024-11-28 05:16:48,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:47" (1/1) ... [2024-11-28 05:16:48,155 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:47" (1/1) ... [2024-11-28 05:16:48,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:47" (1/1) ... [2024-11-28 05:16:48,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:47" (1/1) ... [2024-11-28 05:16:48,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:47" (1/1) ... [2024-11-28 05:16:48,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:47" (1/1) ... [2024-11-28 05:16:48,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:16:48,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:16:48,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:16:48,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:16:48,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:47" (1/1) ... [2024-11-28 05:16:48,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:48,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:48,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:16:48,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:16:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:16:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 05:16:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:16:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:16:48,906 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:16:48,908 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:16:52,475 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-28 05:16:52,476 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:16:52,485 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:16:52,486 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 05:16:52,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:52 BoogieIcfgContainer [2024-11-28 05:16:52,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:16:52,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:16:52,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:16:52,496 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:16:52,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:16:46" (1/3) ... [2024-11-28 05:16:52,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2cdd72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:16:52, skipping insertion in model container [2024-11-28 05:16:52,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:47" (2/3) ... [2024-11-28 05:16:52,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2cdd72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:16:52, skipping insertion in model container [2024-11-28 05:16:52,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:52" (3/3) ... [2024-11-28 05:16:52,499 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.1.prop1-func-interl.c [2024-11-28 05:16:52,518 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:16:52,520 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mcs.1.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:16:52,576 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:16:52,592 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;@262ab77e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:16:52,593 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:16:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:52,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 05:16:52,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:52,606 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 05:16:52,606 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:52,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:52,614 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-28 05:16:52,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:16:52,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1971714650] [2024-11-28 05:16:52,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:52,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:16:52,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:52,634 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:16:52,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:16:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:53,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-28 05:16:53,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:16:53,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:53,954 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:16:53,955 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:16:53,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971714650] [2024-11-28 05:16:53,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971714650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:53,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:53,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:16:53,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788921461] [2024-11-28 05:16:53,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:53,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:16:53,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:16:53,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:16:53,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:16:53,992 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:54,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:54,211 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-28 05:16:54,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:16:54,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-28 05:16:54,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:54,219 INFO L225 Difference]: With dead ends: 18 [2024-11-28 05:16:54,220 INFO L226 Difference]: Without dead ends: 10 [2024-11-28 05:16:54,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:54,225 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:54,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:16:54,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-28 05:16:54,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-28 05:16:54,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:54,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-28 05:16:54,254 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-28 05:16:54,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:54,254 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-28 05:16:54,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:54,255 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-28 05:16:54,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-28 05:16:54,255 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:54,255 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:54,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 05:16:54,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:16:54,461 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:54,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:54,462 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-28 05:16:54,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:16:54,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1399885388] [2024-11-28 05:16:54,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:54,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:16:54,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:54,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:16:54,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41f9f04-2ec9-4c06-b476-f5a9866c2b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:16:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:55,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-28 05:16:55,499 INFO L279 TraceCheckSpWp]: Computing forward predicates...