./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1689f85c28d1e6434194d2a6f7eb0aae66aa4ed557053bab0b2942bb334560be --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:49:24,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:49:24,393 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:49:24,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:49:24,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:49:24,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:49:24,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:49:24,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:49:24,420 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:49:24,421 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:49:24,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:49:24,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:49:24,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:49:24,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:49:24,421 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:49:24,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:49:24,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:49:24,422 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:49:24,422 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:49:24,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:49:24,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:49:24,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:49:24,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:49:24,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:49:24,422 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:49:24,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:49:24,422 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:49:24,423 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:49:24,423 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:49:24,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:49:24,423 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:49:24,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:49:24,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:49:24,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:49:24,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:49:24,423 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:49:24,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:49:24,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:49:24,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:49:24,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:49:24,424 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:49:24,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:49:24,424 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:49:24,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:49:24,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:49:24,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:49:24,424 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:49:24,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:49:24,424 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_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1689f85c28d1e6434194d2a6f7eb0aae66aa4ed557053bab0b2942bb334560be [2024-12-02 15:49:24,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:49:24,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:49:24,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:49:24,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:49:24,661 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:49:24,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i [2024-12-02 15:49:27,373 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/data/5256e0b8c/abbebb0fee1d417597ff2cc79b5014ed/FLAGcb5b5104a [2024-12-02 15:49:27,568 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:49:27,568 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i [2024-12-02 15:49:27,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/data/5256e0b8c/abbebb0fee1d417597ff2cc79b5014ed/FLAGcb5b5104a [2024-12-02 15:49:27,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/data/5256e0b8c/abbebb0fee1d417597ff2cc79b5014ed [2024-12-02 15:49:27,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:49:27,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:49:27,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:49:27,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:49:27,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:49:27,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:27" (1/1) ... [2024-12-02 15:49:27,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef2f13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:27, skipping insertion in model container [2024-12-02 15:49:27,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:27" (1/1) ... [2024-12-02 15:49:27,943 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:49:28,074 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_bf9d87b3-80ba-48f5-9056-f1176a2805fe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i[916,929] [2024-12-02 15:49:28,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:49:28,140 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:49:28,148 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_bf9d87b3-80ba-48f5-9056-f1176a2805fe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i[916,929] [2024-12-02 15:49:28,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:49:28,196 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:49:28,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:28 WrapperNode [2024-12-02 15:49:28,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:49:28,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:49:28,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:49:28,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:49:28,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:28" (1/1) ... [2024-12-02 15:49:28,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:28" (1/1) ... [2024-12-02 15:49:28,251 INFO L138 Inliner]: procedures = 29, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 467 [2024-12-02 15:49:28,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:49:28,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:49:28,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:49:28,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:49:28,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:28" (1/1) ... [2024-12-02 15:49:28,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:28" (1/1) ... [2024-12-02 15:49:28,268 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:28" (1/1) ... [2024-12-02 15:49:28,288 INFO L175 MemorySlicer]: Split 124 memory accesses to 5 slices as follows [2, 19, 34, 46, 23]. 37 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 3, 3, 5, 3]. The 17 writes are split as follows [0, 3, 3, 7, 4]. [2024-12-02 15:49:28,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:28" (1/1) ... [2024-12-02 15:49:28,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:28" (1/1) ... [2024-12-02 15:49:28,308 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:28" (1/1) ... [2024-12-02 15:49:28,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:28" (1/1) ... [2024-12-02 15:49:28,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:28" (1/1) ... [2024-12-02 15:49:28,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:28" (1/1) ... [2024-12-02 15:49:28,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:28" (1/1) ... [2024-12-02 15:49:28,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:49:28,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:49:28,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:49:28,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:49:28,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:28" (1/1) ... [2024-12-02 15:49:28,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:49:28,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:49:28,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:49:28,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:49:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:49:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 15:49:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 15:49:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 15:49:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 15:49:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 15:49:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:49:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:49:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:49:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:49:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:49:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 15:49:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 15:49:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 15:49:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 15:49:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 15:49:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:49:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:49:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:49:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:49:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:49:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 15:49:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 15:49:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 15:49:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 15:49:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 15:49:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:49:28,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:49:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:49:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:49:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:49:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:49:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:49:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:49:28,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:49:28,498 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:49:28,499 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:49:28,930 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-12-02 15:49:28,930 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:49:28,941 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:49:28,941 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:49:28,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:49:28 BoogieIcfgContainer [2024-12-02 15:49:28,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:49:28,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:49:28,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:49:28,948 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:49:28,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:49:27" (1/3) ... [2024-12-02 15:49:28,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1594f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:49:28, skipping insertion in model container [2024-12-02 15:49:28,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:28" (2/3) ... [2024-12-02 15:49:28,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1594f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:49:28, skipping insertion in model container [2024-12-02 15:49:28,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:49:28" (3/3) ... [2024-12-02 15:49:28,950 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-16.i [2024-12-02 15:49:28,961 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:49:28,963 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-16.i that has 2 procedures, 110 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:49:29,021 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:49:29,032 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;@7456dd7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:49:29,032 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:49:29,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 87 states have internal predecessors, (120), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:49:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 15:49:29,046 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:29,046 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:49:29,047 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:49:29,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:29,051 INFO L85 PathProgramCache]: Analyzing trace with hash 946598488, now seen corresponding path program 1 times [2024-12-02 15:49:29,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:29,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622404292] [2024-12-02 15:49:29,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:29,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-12-02 15:49:29,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:49:29,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622404292] [2024-12-02 15:49:29,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622404292] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:49:29,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199127607] [2024-12-02 15:49:29,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:29,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:49:29,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:49:29,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:49:29,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:49:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:29,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:49:29,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:49:29,591 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-12-02 15:49:29,592 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:49:29,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199127607] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:29,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:49:29,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:49:29,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423837151] [2024-12-02 15:49:29,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:29,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:49:29,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:49:29,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:49:29,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:49:29,621 INFO L87 Difference]: Start difference. First operand has 110 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 87 states have internal predecessors, (120), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:49:29,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:29,645 INFO L93 Difference]: Finished difference Result 213 states and 339 transitions. [2024-12-02 15:49:29,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:49:29,647 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 157 [2024-12-02 15:49:29,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:29,653 INFO L225 Difference]: With dead ends: 213 [2024-12-02 15:49:29,654 INFO L226 Difference]: Without dead ends: 106 [2024-12-02 15:49:29,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:49:29,659 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:29,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:49:29,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-12-02 15:49:29,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-12-02 15:49:29,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:49:29,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 155 transitions. [2024-12-02 15:49:29,696 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 155 transitions. Word has length 157 [2024-12-02 15:49:29,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:29,696 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 155 transitions. [2024-12-02 15:49:29,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:49:29,696 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2024-12-02 15:49:29,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 15:49:29,698 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:29,699 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:49:29,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:49:29,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:49:29,899 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:49:29,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:29,900 INFO L85 PathProgramCache]: Analyzing trace with hash -576927822, now seen corresponding path program 1 times [2024-12-02 15:49:29,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:29,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367044578] [2024-12-02 15:49:29,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:29,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:31,294 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:49:31,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:49:31,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367044578] [2024-12-02 15:49:31,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367044578] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:31,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:31,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:49:31,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979362607] [2024-12-02 15:49:31,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:31,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:49:31,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:49:31,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:49:31,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:49:31,297 INFO L87 Difference]: Start difference. First operand 106 states and 155 transitions. Second operand has 7 states, 5 states have (on average 11.0) internal successors, (55), 7 states have internal predecessors, (55), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 15:49:31,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:31,628 INFO L93 Difference]: Finished difference Result 298 states and 438 transitions. [2024-12-02 15:49:31,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:49:31,629 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 11.0) internal successors, (55), 7 states have internal predecessors, (55), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 3 states have call successors, (21) Word has length 157 [2024-12-02 15:49:31,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:31,632 INFO L225 Difference]: With dead ends: 298 [2024-12-02 15:49:31,632 INFO L226 Difference]: Without dead ends: 195 [2024-12-02 15:49:31,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:49:31,634 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 125 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:31,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 725 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:49:31,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-12-02 15:49:31,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 192. [2024-12-02 15:49:31,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 153 states have (on average 1.3790849673202614) internal successors, (211), 154 states have internal predecessors, (211), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:49:31,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 283 transitions. [2024-12-02 15:49:31,658 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 283 transitions. Word has length 157 [2024-12-02 15:49:31,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:31,659 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 283 transitions. [2024-12-02 15:49:31,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 11.0) internal successors, (55), 7 states have internal predecessors, (55), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 15:49:31,659 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 283 transitions. [2024-12-02 15:49:31,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 15:49:31,662 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:31,662 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:49:31,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:49:31,663 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:49:31,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:31,663 INFO L85 PathProgramCache]: Analyzing trace with hash -318762384, now seen corresponding path program 1 times [2024-12-02 15:49:31,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:31,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333510507] [2024-12-02 15:49:31,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:31,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 15:49:31,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1588475898] [2024-12-02 15:49:31,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:31,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:49:31,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:49:31,811 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:49:31,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:49:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:49:32,153 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:49:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:49:32,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:49:32,497 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:49:32,498 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:49:32,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 15:49:32,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:49:32,702 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 15:49:32,770 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:49:32,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:49:32 BoogieIcfgContainer [2024-12-02 15:49:32,773 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:49:32,774 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:49:32,774 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:49:32,774 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:49:32,775 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:49:28" (3/4) ... [2024-12-02 15:49:32,777 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:49:32,778 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:49:32,779 INFO L158 Benchmark]: Toolchain (without parser) took 4854.86ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.6MB in the beginning and 59.8MB in the end (delta: 32.8MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2024-12-02 15:49:32,779 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:49:32,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.58ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 78.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:49:32,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.13ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 74.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:49:32,780 INFO L158 Benchmark]: Boogie Preprocessor took 72.91ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 70.6MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:49:32,780 INFO L158 Benchmark]: RCFGBuilder took 615.67ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 40.9MB in the end (delta: 29.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 15:49:32,781 INFO L158 Benchmark]: TraceAbstraction took 3829.57ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 40.4MB in the beginning and 59.8MB in the end (delta: -19.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-12-02 15:49:32,781 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 142.6MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 17.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:49:32,783 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.58ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 78.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.13ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 74.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.91ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 70.6MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 615.67ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 40.9MB in the end (delta: 29.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3829.57ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 40.4MB in the beginning and 59.8MB in the end (delta: -19.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 142.6MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 17.6kB). 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 52, overapproximation of someBinaryDOUBLEComparisonOperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 0, 1 }; [L25-L27] float float_Array_0[3] = { 3.8, 2.75, 1000000.8 }; [L25-L27] float float_Array_0[3] = { 3.8, 2.75, 1000000.8 }; [L25-L27] float float_Array_0[3] = { 3.8, 2.75, 1000000.8 }; [L25-L27] float float_Array_0[3] = { 3.8, 2.75, 1000000.8 }; [L28-L30] signed char signed_char_Array_0[5] = { 32, 25, 2, 0, 2 }; [L28-L30] signed char signed_char_Array_0[5] = { 32, 25, 2, 0, 2 }; [L28-L30] signed char signed_char_Array_0[5] = { 32, 25, 2, 0, 2 }; [L28-L30] signed char signed_char_Array_0[5] = { 32, 25, 2, 0, 2 }; [L28-L30] signed char signed_char_Array_0[5] = { 32, 25, 2, 0, 2 }; [L28-L30] signed char signed_char_Array_0[5] = { 32, 25, 2, 0, 2 }; [L31-L33] signed short int signed_short_int_Array_0[3] = { -32, 256, 4 }; [L31-L33] signed short int signed_short_int_Array_0[3] = { -32, 256, 4 }; [L31-L33] signed short int signed_short_int_Array_0[3] = { -32, 256, 4 }; [L31-L33] signed short int signed_short_int_Array_0[3] = { -32, 256, 4 }; [L34] signed char last_1_signed_char_Array_0_1_ = 25; VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=0, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L105] isInitial = 1 [L106] FCALL initially() [L108] CALL updateLastVariables() [L98] EXPR signed_char_Array_0[1] [L98] last_1_signed_char_Array_0_1_ = signed_char_Array_0[1] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L65] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L66] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L67] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L67] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L67] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L68] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L70] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L71] float_Array_0[0] = __VERIFIER_nondet_float() [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L72] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L72] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L72] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L72] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L73] float_Array_0[1] = __VERIFIER_nondet_float() [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L74] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L74] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L74] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L74] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L74] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L75] EXPR float_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L75] CALL assume_abort_if_not(float_Array_0[1] != 0.0F) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L75] RET assume_abort_if_not(float_Array_0[1] != 0.0F) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L76] signed_char_Array_0[0] = __VERIFIER_nondet_char() [L77] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L77] CALL assume_abort_if_not(signed_char_Array_0[0] >= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L77] RET assume_abort_if_not(signed_char_Array_0[0] >= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L78] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L78] CALL assume_abort_if_not(signed_char_Array_0[0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L78] RET assume_abort_if_not(signed_char_Array_0[0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L79] signed_char_Array_0[2] = __VERIFIER_nondet_char() [L80] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L80] CALL assume_abort_if_not(signed_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L80] RET assume_abort_if_not(signed_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L81] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L81] CALL assume_abort_if_not(signed_char_Array_0[2] <= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L81] RET assume_abort_if_not(signed_char_Array_0[2] <= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L82] signed_char_Array_0[3] = __VERIFIER_nondet_char() [L83] EXPR signed_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L83] CALL assume_abort_if_not(signed_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L83] RET assume_abort_if_not(signed_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L84] EXPR signed_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[3] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L84] RET assume_abort_if_not(signed_char_Array_0[3] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L85] signed_char_Array_0[4] = __VERIFIER_nondet_char() [L86] EXPR signed_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[4] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L86] RET assume_abort_if_not(signed_char_Array_0[4] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L87] EXPR signed_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[4] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L87] RET assume_abort_if_not(signed_char_Array_0[4] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L88] signed_short_int_Array_0[1] = __VERIFIER_nondet_short() [L89] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L89] CALL assume_abort_if_not(signed_short_int_Array_0[1] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L89] RET assume_abort_if_not(signed_short_int_Array_0[1] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L90] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L90] CALL assume_abort_if_not(signed_short_int_Array_0[1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L90] RET assume_abort_if_not(signed_short_int_Array_0[1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L91] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L91] CALL assume_abort_if_not(signed_short_int_Array_0[1] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L91] RET assume_abort_if_not(signed_short_int_Array_0[1] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L92] signed_short_int_Array_0[2] = __VERIFIER_nondet_short() [L93] EXPR signed_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L93] CALL assume_abort_if_not(signed_short_int_Array_0[2] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L93] RET assume_abort_if_not(signed_short_int_Array_0[2] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L94] EXPR signed_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L94] CALL assume_abort_if_not(signed_short_int_Array_0[2] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L94] RET assume_abort_if_not(signed_short_int_Array_0[2] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L95] EXPR signed_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L95] CALL assume_abort_if_not(signed_short_int_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L95] RET assume_abort_if_not(signed_short_int_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L109] RET updateVariables() [L110] CALL step() [L38] EXPR signed_short_int_Array_0[2] [L38] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L38] EXPR ((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1]) [L38] EXPR signed_short_int_Array_0[1] [L38] EXPR ((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L38] COND FALSE !((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) [L41] EXPR float_Array_0[0] [L41] float_Array_0[2] = float_Array_0[0] [L42] EXPR signed_char_Array_0[3] [L42] signed char stepLocal_2 = signed_char_Array_0[3]; [L43] EXPR float_Array_0[1] [L43] unsigned char stepLocal_1 = 99999.375 <= float_Array_0[1]; [L44] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L44] COND FALSE !(signed_char_Array_0[2] <= stepLocal_2) [L49] signed_short_int_Array_0[0] = -25 VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L51] EXPR BOOL_unsigned_char_Array_0[0] [L51] unsigned char stepLocal_0 = BOOL_unsigned_char_Array_0[0]; [L52] EXPR float_Array_0[0] [L52] EXPR float_Array_0[2] [L52] EXPR float_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L52] COND FALSE !(float_Array_0[0] < (float_Array_0[2] / float_Array_0[1])) [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR signed_short_int_Array_0[2] [L101] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR ((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1]) [L101] EXPR signed_short_int_Array_0[1] [L101] EXPR ((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR ((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1 [L101] EXPR ((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR (((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR (((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0])) [L101] EXPR float_Array_0[2] [L101] EXPR float_Array_0[0] [L101] EXPR (((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR ((((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0]))) && ((float_Array_0[0] < (float_Array_0[2] / float_Array_0[1])) ? ((BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) ((((((signed_char_Array_0[3]) > (5)) ? (signed_char_Array_0[3]) : (5))) + (signed_char_Array_0[0] - signed_char_Array_0[2])) - signed_char_Array_0[4]))) : ((float_Array_0[1] > float_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[3])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR ((((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0]))) && ((float_Array_0[0] < (float_Array_0[2] / float_Array_0[1])) ? ((BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) ((((((signed_char_Array_0[3]) > (5)) ? (signed_char_Array_0[3]) : (5))) + (signed_char_Array_0[0] - signed_char_Array_0[2])) - signed_char_Array_0[4]))) : ((float_Array_0[1] > float_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[3])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR (((((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0]))) && ((float_Array_0[0] < (float_Array_0[2] / float_Array_0[1])) ? ((BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) ((((((signed_char_Array_0[3]) > (5)) ? (signed_char_Array_0[3]) : (5))) + (signed_char_Array_0[0] - signed_char_Array_0[2])) - signed_char_Array_0[4]))) : ((float_Array_0[1] > float_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[3])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])))) : 1)) && ((signed_char_Array_0[2] <= signed_char_Array_0[3]) ? (((float_Array_0[0] < float_Array_0[2]) && (99999.375 <= float_Array_0[1])) ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[2] + signed_char_Array_0[4]))) : 1) : (signed_short_int_Array_0[0] == ((signed short int) -25))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR (((((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0]))) && ((float_Array_0[0] < (float_Array_0[2] / float_Array_0[1])) ? ((BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) ((((((signed_char_Array_0[3]) > (5)) ? (signed_char_Array_0[3]) : (5))) + (signed_char_Array_0[0] - signed_char_Array_0[2])) - signed_char_Array_0[4]))) : ((float_Array_0[1] > float_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[3])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])))) : 1)) && ((signed_char_Array_0[2] <= signed_char_Array_0[3]) ? (((float_Array_0[0] < float_Array_0[2]) && (99999.375 <= float_Array_0[1])) ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[2] + signed_char_Array_0[4]))) : 1) : (signed_short_int_Array_0[0] == ((signed short int) -25))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101-L102] return (((((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0]))) && ((float_Array_0[0] < (float_Array_0[2] / float_Array_0[1])) ? ((BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) ((((((signed_char_Array_0[3]) > (5)) ? (signed_char_Array_0[3]) : (5))) + (signed_char_Array_0[0] - signed_char_Array_0[2])) - signed_char_Array_0[4]))) : ((float_Array_0[1] > float_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[3])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])))) : 1)) && ((signed_char_Array_0[2] <= signed_char_Array_0[3]) ? (((float_Array_0[0] < float_Array_0[2]) && (99999.375 <= float_Array_0[1])) ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[2] + signed_char_Array_0[4]))) : 1) : (signed_short_int_Array_0[0] == ((signed short int) -25))) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 3, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 880 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 581 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 196 IncrementalHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 299 mSDtfsCounter, 196 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=2, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 785 NumberOfCodeBlocks, 785 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 468 ConstructedInterpolants, 0 QuantifiedInterpolants, 588 SizeOfPredicates, 0 NumberOfNonLiveVariables, 501 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2480/2520 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 15:49:32,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1689f85c28d1e6434194d2a6f7eb0aae66aa4ed557053bab0b2942bb334560be --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:49:34,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:49:34,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:49:34,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:49:34,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:49:34,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:49:34,927 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:49:34,928 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:49:34,928 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:49:34,928 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:49:34,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:49:34,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:49:34,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:49:34,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:49:34,929 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:49:34,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:49:34,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:49:34,930 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:49:34,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:49:34,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:49:34,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:49:34,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:49:34,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:49:34,930 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:49:34,930 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:49:34,930 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:49:34,930 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:49:34,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:49:34,931 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:49:34,931 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:49:34,931 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:49:34,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:49:34,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:49:34,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:49:34,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:49:34,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:49:34,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:49:34,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:49:34,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:49:34,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:49:34,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:49:34,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:49:34,932 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:49:34,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:49:34,932 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:49:34,932 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:49:34,932 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:49:34,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:49:34,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:49:34,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:49:34,932 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_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1689f85c28d1e6434194d2a6f7eb0aae66aa4ed557053bab0b2942bb334560be [2024-12-02 15:49:35,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:49:35,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:49:35,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:49:35,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:49:35,211 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:49:35,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i [2024-12-02 15:49:37,969 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/data/305b68559/b624aca4e8cb4597992c3f193f53dcdb/FLAGc27bb423e [2024-12-02 15:49:38,179 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:49:38,180 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i [2024-12-02 15:49:38,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/data/305b68559/b624aca4e8cb4597992c3f193f53dcdb/FLAGc27bb423e [2024-12-02 15:49:38,202 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/data/305b68559/b624aca4e8cb4597992c3f193f53dcdb [2024-12-02 15:49:38,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:49:38,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:49:38,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:49:38,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:49:38,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:49:38,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:38" (1/1) ... [2024-12-02 15:49:38,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b166ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38, skipping insertion in model container [2024-12-02 15:49:38,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:38" (1/1) ... [2024-12-02 15:49:38,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:49:38,373 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_bf9d87b3-80ba-48f5-9056-f1176a2805fe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i[916,929] [2024-12-02 15:49:38,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:49:38,444 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:49:38,452 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_bf9d87b3-80ba-48f5-9056-f1176a2805fe/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i[916,929] [2024-12-02 15:49:38,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:49:38,507 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:49:38,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38 WrapperNode [2024-12-02 15:49:38,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:49:38,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:49:38,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:49:38,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:49:38,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38" (1/1) ... [2024-12-02 15:49:38,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38" (1/1) ... [2024-12-02 15:49:38,556 INFO L138 Inliner]: procedures = 33, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 461 [2024-12-02 15:49:38,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:49:38,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:49:38,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:49:38,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:49:38,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38" (1/1) ... [2024-12-02 15:49:38,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38" (1/1) ... [2024-12-02 15:49:38,570 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38" (1/1) ... [2024-12-02 15:49:38,587 INFO L175 MemorySlicer]: Split 124 memory accesses to 5 slices as follows [2, 19, 34, 46, 23]. 37 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 3, 3, 5, 3]. The 17 writes are split as follows [0, 3, 3, 7, 4]. [2024-12-02 15:49:38,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38" (1/1) ... [2024-12-02 15:49:38,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38" (1/1) ... [2024-12-02 15:49:38,609 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38" (1/1) ... [2024-12-02 15:49:38,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38" (1/1) ... [2024-12-02 15:49:38,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38" (1/1) ... [2024-12-02 15:49:38,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38" (1/1) ... [2024-12-02 15:49:38,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38" (1/1) ... [2024-12-02 15:49:38,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:49:38,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:49:38,626 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:49:38,626 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:49:38,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38" (1/1) ... [2024-12-02 15:49:38,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:49:38,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:49:38,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:49:38,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:49:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:49:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 15:49:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 15:49:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 15:49:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 15:49:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 15:49:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 15:49:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 15:49:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 15:49:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 15:49:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 15:49:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:49:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 15:49:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 15:49:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 15:49:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 15:49:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 15:49:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 15:49:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 15:49:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 15:49:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 15:49:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 15:49:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 15:49:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 15:49:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 15:49:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 15:49:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 15:49:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 15:49:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 15:49:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 15:49:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 15:49:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 15:49:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 15:49:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 15:49:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 15:49:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 15:49:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:49:38,688 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:49:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:49:38,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:49:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 15:49:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 15:49:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 15:49:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 15:49:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 15:49:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 15:49:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 15:49:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 15:49:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 15:49:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 15:49:38,853 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:49:38,855 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:49:41,692 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-12-02 15:49:41,692 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:49:41,702 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:49:41,703 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:49:41,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:49:41 BoogieIcfgContainer [2024-12-02 15:49:41,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:49:41,704 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:49:41,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:49:41,708 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:49:41,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:49:38" (1/3) ... [2024-12-02 15:49:41,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d29ff84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:49:41, skipping insertion in model container [2024-12-02 15:49:41,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:38" (2/3) ... [2024-12-02 15:49:41,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d29ff84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:49:41, skipping insertion in model container [2024-12-02 15:49:41,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:49:41" (3/3) ... [2024-12-02 15:49:41,711 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-16.i [2024-12-02 15:49:41,722 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:49:41,723 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-16.i that has 2 procedures, 110 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:49:41,774 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:49:41,784 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;@41fad22b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:49:41,784 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:49:41,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 87 states have internal predecessors, (120), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:49:41,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 15:49:41,801 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:41,801 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:49:41,802 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:49:41,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:41,807 INFO L85 PathProgramCache]: Analyzing trace with hash 946598488, now seen corresponding path program 1 times [2024-12-02 15:49:41,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:49:41,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561930243] [2024-12-02 15:49:41,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:41,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:49:41,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:49:41,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:49:41,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 15:49:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:42,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:49:42,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:49:42,397 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-12-02 15:49:42,398 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:49:42,398 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:49:42,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1561930243] [2024-12-02 15:49:42,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1561930243] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:42,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:42,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:49:42,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375663006] [2024-12-02 15:49:42,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:42,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:49:42,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:49:42,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:49:42,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:49:42,423 INFO L87 Difference]: Start difference. First operand has 110 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 87 states have internal predecessors, (120), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:49:42,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:42,449 INFO L93 Difference]: Finished difference Result 209 states and 333 transitions. [2024-12-02 15:49:42,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:49:42,450 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 157 [2024-12-02 15:49:42,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:42,455 INFO L225 Difference]: With dead ends: 209 [2024-12-02 15:49:42,456 INFO L226 Difference]: Without dead ends: 102 [2024-12-02 15:49:42,458 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:49:42,461 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:42,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:49:42,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-12-02 15:49:42,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-12-02 15:49:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 79 states have (on average 1.3291139240506329) internal successors, (105), 79 states have internal predecessors, (105), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:49:42,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 147 transitions. [2024-12-02 15:49:42,497 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 147 transitions. Word has length 157 [2024-12-02 15:49:42,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:42,497 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 147 transitions. [2024-12-02 15:49:42,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:49:42,498 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 147 transitions. [2024-12-02 15:49:42,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 15:49:42,501 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:42,502 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:49:42,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 15:49:42,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:49:42,703 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:49:42,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:42,703 INFO L85 PathProgramCache]: Analyzing trace with hash -576927822, now seen corresponding path program 1 times [2024-12-02 15:49:42,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:49:42,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199661084] [2024-12-02 15:49:42,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:42,704 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:49:42,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:49:42,706 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:49:42,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 15:49:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:43,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 15:49:43,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:49:43,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 15:49:44,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-12-02 15:49:45,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 65 [2024-12-02 15:49:45,710 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:49:45,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 77 [2024-12-02 15:49:45,830 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2024-12-02 15:49:45,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:49:46,144 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:49:46,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199661084] [2024-12-02 15:49:46,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199661084] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:49:46,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2096236134] [2024-12-02 15:49:46,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:46,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:49:46,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:49:46,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:49:46,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-02 15:49:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:48,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 15:49:48,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:49:48,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 15:49:49,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-12-02 15:49:53,971 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:49:53,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 151 treesize of output 90 [2024-12-02 15:49:54,970 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-12-02 15:49:54,970 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:49:54,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2096236134] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:54,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:49:54,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 20 [2024-12-02 15:49:54,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422837057] [2024-12-02 15:49:54,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:54,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:49:54,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:49:54,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:49:54,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2024-12-02 15:49:54,973 INFO L87 Difference]: Start difference. First operand 102 states and 147 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 states have internal predecessors, (61), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 15:50:00,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:02,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:06,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:06,709 INFO L93 Difference]: Finished difference Result 390 states and 561 transitions. [2024-12-02 15:50:06,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:50:06,710 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 states have internal predecessors, (61), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 157 [2024-12-02 15:50:06,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:06,713 INFO L225 Difference]: With dead ends: 390 [2024-12-02 15:50:06,713 INFO L226 Difference]: Without dead ends: 291 [2024-12-02 15:50:06,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2024-12-02 15:50:06,714 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 385 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:06,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 904 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2024-12-02 15:50:06,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-12-02 15:50:06,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 285. [2024-12-02 15:50:06,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 218 states have (on average 1.3211009174311927) internal successors, (288), 220 states have internal predecessors, (288), 62 states have call successors, (62), 4 states have call predecessors, (62), 4 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2024-12-02 15:50:06,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 412 transitions. [2024-12-02 15:50:06,756 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 412 transitions. Word has length 157 [2024-12-02 15:50:06,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:06,757 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 412 transitions. [2024-12-02 15:50:06,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 states have internal predecessors, (61), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 15:50:06,758 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 412 transitions. [2024-12-02 15:50:06,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 15:50:06,762 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:06,762 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:06,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 15:50:06,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-02 15:50:07,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 15:50:07,163 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:07,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:07,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1859100108, now seen corresponding path program 1 times [2024-12-02 15:50:07,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:50:07,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [944280770] [2024-12-02 15:50:07,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:07,164 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:50:07,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:50:07,166 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:50:07,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 15:50:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:07,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:50:07,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:07,621 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-12-02 15:50:07,621 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:50:07,621 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:50:07,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [944280770] [2024-12-02 15:50:07,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [944280770] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:07,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:07,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:50:07,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301365607] [2024-12-02 15:50:07,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:07,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:50:07,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:50:07,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:50:07,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:50:07,624 INFO L87 Difference]: Start difference. First operand 285 states and 412 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:50:07,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:07,698 INFO L93 Difference]: Finished difference Result 569 states and 824 transitions. [2024-12-02 15:50:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:50:07,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 157 [2024-12-02 15:50:07,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:07,701 INFO L225 Difference]: With dead ends: 569 [2024-12-02 15:50:07,701 INFO L226 Difference]: Without dead ends: 287 [2024-12-02 15:50:07,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:50:07,703 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:07,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 427 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:50:07,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-12-02 15:50:07,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2024-12-02 15:50:07,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 220 states have (on average 1.3136363636363637) internal successors, (289), 222 states have internal predecessors, (289), 62 states have call successors, (62), 4 states have call predecessors, (62), 4 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2024-12-02 15:50:07,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 413 transitions. [2024-12-02 15:50:07,735 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 413 transitions. Word has length 157 [2024-12-02 15:50:07,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:07,735 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 413 transitions. [2024-12-02 15:50:07,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:50:07,736 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 413 transitions. [2024-12-02 15:50:07,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 15:50:07,738 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:07,738 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:07,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 15:50:07,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:50:07,939 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:07,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:07,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1161699472, now seen corresponding path program 1 times [2024-12-02 15:50:07,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:50:07,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850452526] [2024-12-02 15:50:07,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:07,940 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:50:07,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:50:07,942 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:50:07,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 15:50:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:08,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:50:08,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:08,404 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2024-12-02 15:50:08,404 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:50:08,404 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:50:08,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850452526] [2024-12-02 15:50:08,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850452526] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:08,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:08,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:50:08,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966165940] [2024-12-02 15:50:08,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:08,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:50:08,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:50:08,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:50:08,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:50:08,406 INFO L87 Difference]: Start difference. First operand 287 states and 413 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:50:08,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:08,482 INFO L93 Difference]: Finished difference Result 571 states and 823 transitions. [2024-12-02 15:50:08,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:50:08,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 157 [2024-12-02 15:50:08,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:08,484 INFO L225 Difference]: With dead ends: 571 [2024-12-02 15:50:08,484 INFO L226 Difference]: Without dead ends: 287 [2024-12-02 15:50:08,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:50:08,486 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:08,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 427 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:50:08,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-12-02 15:50:08,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2024-12-02 15:50:08,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 220 states have (on average 1.309090909090909) internal successors, (288), 222 states have internal predecessors, (288), 62 states have call successors, (62), 4 states have call predecessors, (62), 4 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2024-12-02 15:50:08,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 412 transitions. [2024-12-02 15:50:08,516 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 412 transitions. Word has length 157 [2024-12-02 15:50:08,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:08,516 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 412 transitions. [2024-12-02 15:50:08,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:50:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 412 transitions. [2024-12-02 15:50:08,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 15:50:08,519 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:08,519 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:08,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 15:50:08,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:50:08,720 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:08,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:08,720 INFO L85 PathProgramCache]: Analyzing trace with hash 19221624, now seen corresponding path program 1 times [2024-12-02 15:50:08,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:50:08,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406311031] [2024-12-02 15:50:08,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:08,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:50:08,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:50:08,722 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:50:08,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 15:50:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:09,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 15:50:09,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:09,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 15:50:09,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-12-02 15:50:11,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 65 [2024-12-02 15:50:11,260 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:50:11,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 77 [2024-12-02 15:50:11,373 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2024-12-02 15:50:11,374 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:50:11,647 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:50:11,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406311031] [2024-12-02 15:50:11,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406311031] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:50:11,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [776151479] [2024-12-02 15:50:11,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:11,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:50:11,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:50:11,649 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:50:11,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-02 15:50:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:14,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 15:50:14,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:14,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 15:50:15,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-12-02 15:50:18,852 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:50:18,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 126 treesize of output 77 [2024-12-02 15:50:19,265 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:50:19,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 196 treesize of output 88 [2024-12-02 15:50:19,303 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 31 proven. 365 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-12-02 15:50:19,303 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:50:19,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [776151479] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:50:19,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:50:19,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 15] total 21 [2024-12-02 15:50:19,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563232663] [2024-12-02 15:50:19,490 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:50:19,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 15:50:19,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:50:19,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 15:50:19,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2024-12-02 15:50:19,492 INFO L87 Difference]: Start difference. First operand 287 states and 412 transitions. Second operand has 22 states, 21 states have (on average 5.619047619047619) internal successors, (118), 20 states have internal predecessors, (118), 6 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 5 states have call predecessors, (42), 6 states have call successors, (42) [2024-12-02 15:50:28,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:29,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:31,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:33,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:34,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:34,768 INFO L93 Difference]: Finished difference Result 688 states and 976 transitions. [2024-12-02 15:50:34,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-02 15:50:34,769 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 5.619047619047619) internal successors, (118), 20 states have internal predecessors, (118), 6 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 5 states have call predecessors, (42), 6 states have call successors, (42) Word has length 159 [2024-12-02 15:50:34,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:34,771 INFO L225 Difference]: With dead ends: 688 [2024-12-02 15:50:34,771 INFO L226 Difference]: Without dead ends: 404 [2024-12-02 15:50:34,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 337 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=405, Invalid=1757, Unknown=0, NotChecked=0, Total=2162 [2024-12-02 15:50:34,772 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 794 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 1002 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:34,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [810 Valid, 1094 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1002 Invalid, 0 Unknown, 0 Unchecked, 12.7s Time] [2024-12-02 15:50:34,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-12-02 15:50:34,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 285. [2024-12-02 15:50:34,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 205 states have (on average 1.2536585365853659) internal successors, (257), 207 states have internal predecessors, (257), 74 states have call successors, (74), 5 states have call predecessors, (74), 5 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-12-02 15:50:34,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 405 transitions. [2024-12-02 15:50:34,800 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 405 transitions. Word has length 159 [2024-12-02 15:50:34,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:34,800 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 405 transitions. [2024-12-02 15:50:34,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 5.619047619047619) internal successors, (118), 20 states have internal predecessors, (118), 6 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 5 states have call predecessors, (42), 6 states have call successors, (42) [2024-12-02 15:50:34,801 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 405 transitions. [2024-12-02 15:50:34,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 15:50:34,803 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:34,804 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:34,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-02 15:50:35,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-12-02 15:50:35,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:50:35,204 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:35,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:35,205 INFO L85 PathProgramCache]: Analyzing trace with hash 699279994, now seen corresponding path program 1 times [2024-12-02 15:50:35,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:50:35,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [27346114] [2024-12-02 15:50:35,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:35,205 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:50:35,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:50:35,207 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:50:35,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-12-02 15:50:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:35,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:50:35,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:35,687 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:50:35,687 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:50:35,687 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:50:35,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [27346114] [2024-12-02 15:50:35,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [27346114] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:35,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:35,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:50:35,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847166033] [2024-12-02 15:50:35,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:35,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:50:35,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:50:35,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:50:35,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:50:35,689 INFO L87 Difference]: Start difference. First operand 285 states and 405 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:50:35,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:35,737 INFO L93 Difference]: Finished difference Result 565 states and 804 transitions. [2024-12-02 15:50:35,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:50:35,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2024-12-02 15:50:35,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:35,740 INFO L225 Difference]: With dead ends: 565 [2024-12-02 15:50:35,740 INFO L226 Difference]: Without dead ends: 283 [2024-12-02 15:50:35,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:50:35,742 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:35,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 424 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:50:35,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-12-02 15:50:35,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2024-12-02 15:50:35,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 203 states have (on average 1.2413793103448276) internal successors, (252), 205 states have internal predecessors, (252), 74 states have call successors, (74), 5 states have call predecessors, (74), 5 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-12-02 15:50:35,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 400 transitions. [2024-12-02 15:50:35,765 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 400 transitions. Word has length 159 [2024-12-02 15:50:35,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:35,766 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 400 transitions. [2024-12-02 15:50:35,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:50:35,766 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 400 transitions. [2024-12-02 15:50:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 15:50:35,769 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:35,769 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:35,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-12-02 15:50:35,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:50:35,970 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:35,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:35,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1544165934, now seen corresponding path program 1 times [2024-12-02 15:50:35,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:50:35,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408054866] [2024-12-02 15:50:35,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:35,971 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:50:35,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:50:35,972 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:50:35,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 15:50:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:36,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 15:50:36,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:36,457 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-12-02 15:50:36,457 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:50:36,457 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:50:36,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408054866] [2024-12-02 15:50:36,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [408054866] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:36,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:36,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:50:36,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084824484] [2024-12-02 15:50:36,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:36,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:50:36,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:50:36,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:50:36,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:50:36,459 INFO L87 Difference]: Start difference. First operand 283 states and 400 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 15:50:36,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:36,857 INFO L93 Difference]: Finished difference Result 575 states and 810 transitions. [2024-12-02 15:50:36,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:50:36,858 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 159 [2024-12-02 15:50:36,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:36,859 INFO L225 Difference]: With dead ends: 575 [2024-12-02 15:50:36,859 INFO L226 Difference]: Without dead ends: 293 [2024-12-02 15:50:36,860 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:50:36,861 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:36,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 561 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:50:36,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-12-02 15:50:36,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 283. [2024-12-02 15:50:36,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 203 states have (on average 1.2364532019704433) internal successors, (251), 205 states have internal predecessors, (251), 74 states have call successors, (74), 5 states have call predecessors, (74), 5 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-12-02 15:50:36,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 399 transitions. [2024-12-02 15:50:36,891 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 399 transitions. Word has length 159 [2024-12-02 15:50:36,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:36,891 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 399 transitions. [2024-12-02 15:50:36,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 15:50:36,892 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 399 transitions. [2024-12-02 15:50:36,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 15:50:36,893 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:36,893 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:36,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-12-02 15:50:37,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:50:37,093 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:37,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:37,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1978671532, now seen corresponding path program 1 times [2024-12-02 15:50:37,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:50:37,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038430243] [2024-12-02 15:50:37,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:37,094 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:50:37,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:50:37,096 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:50:37,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-12-02 15:50:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:37,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 15:50:37,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:37,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 15:50:38,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2024-12-02 15:50:39,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 63 [2024-12-02 15:50:39,630 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:50:39,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 189 treesize of output 75 [2024-12-02 15:50:39,736 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 16 proven. 320 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-12-02 15:50:39,737 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:50:39,976 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:50:39,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2038430243] [2024-12-02 15:50:39,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2038430243] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:50:39,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1854802021] [2024-12-02 15:50:39,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:39,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:50:39,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:50:39,978 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:50:39,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-02 15:50:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:42,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-02 15:50:42,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:42,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 15:50:43,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2024-12-02 15:50:46,719 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:50:46,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 125 treesize of output 76 [2024-12-02 15:50:47,137 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:50:47,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 195 treesize of output 87 [2024-12-02 15:50:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 16 proven. 320 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-12-02 15:50:47,177 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:50:47,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1854802021] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:50:47,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:50:47,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 24 [2024-12-02 15:50:47,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456355182] [2024-12-02 15:50:47,361 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:50:47,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-02 15:50:47,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:50:47,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-02 15:50:47,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2024-12-02 15:50:47,363 INFO L87 Difference]: Start difference. First operand 283 states and 399 transitions. Second operand has 25 states, 23 states have (on average 5.130434782608695) internal successors, (118), 22 states have internal predecessors, (118), 6 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 5 states have call predecessors, (42), 6 states have call successors, (42) [2024-12-02 15:51:02,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:02,172 INFO L93 Difference]: Finished difference Result 683 states and 952 transitions. [2024-12-02 15:51:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-02 15:51:02,173 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 5.130434782608695) internal successors, (118), 22 states have internal predecessors, (118), 6 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 5 states have call predecessors, (42), 6 states have call successors, (42) Word has length 159 [2024-12-02 15:51:02,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:02,175 INFO L225 Difference]: With dead ends: 683 [2024-12-02 15:51:02,175 INFO L226 Difference]: Without dead ends: 403 [2024-12-02 15:51:02,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 333 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=472, Invalid=1978, Unknown=0, NotChecked=0, Total=2450 [2024-12-02 15:51:02,176 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 594 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 1606 SdHoareTripleChecker+Invalid, 1627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:02,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 1606 Invalid, 1627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2024-12-02 15:51:02,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-12-02 15:51:02,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 282. [2024-12-02 15:51:02,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 184 states have (on average 1.1576086956521738) internal successors, (213), 188 states have internal predecessors, (213), 90 states have call successors, (90), 7 states have call predecessors, (90), 7 states have return successors, (90), 86 states have call predecessors, (90), 90 states have call successors, (90) [2024-12-02 15:51:02,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 393 transitions. [2024-12-02 15:51:02,197 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 393 transitions. Word has length 159 [2024-12-02 15:51:02,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:02,197 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 393 transitions. [2024-12-02 15:51:02,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 5.130434782608695) internal successors, (118), 22 states have internal predecessors, (118), 6 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 5 states have call predecessors, (42), 6 states have call successors, (42) [2024-12-02 15:51:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 393 transitions. [2024-12-02 15:51:02,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 15:51:02,202 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:02,202 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:02,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-12-02 15:51:02,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-02 15:51:02,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 15:51:02,603 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:02,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:02,603 INFO L85 PathProgramCache]: Analyzing trace with hash -675594122, now seen corresponding path program 1 times [2024-12-02 15:51:02,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:51:02,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738424176] [2024-12-02 15:51:02,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:02,603 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:51:02,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:51:02,605 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:51:02,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-12-02 15:51:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:03,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:51:03,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:51:03,227 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:51:03,227 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:51:03,227 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:51:03,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738424176] [2024-12-02 15:51:03,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738424176] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:03,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:03,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:51:03,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524070876] [2024-12-02 15:51:03,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:03,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:51:03,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:51:03,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:51:03,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:51:03,229 INFO L87 Difference]: Start difference. First operand 282 states and 393 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:51:03,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:03,306 INFO L93 Difference]: Finished difference Result 555 states and 774 transitions. [2024-12-02 15:51:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:51:03,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 161 [2024-12-02 15:51:03,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:03,309 INFO L225 Difference]: With dead ends: 555 [2024-12-02 15:51:03,309 INFO L226 Difference]: Without dead ends: 285 [2024-12-02 15:51:03,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:51:03,311 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:03,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 549 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:51:03,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-12-02 15:51:03,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2024-12-02 15:51:03,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 187 states have (on average 1.1550802139037433) internal successors, (216), 191 states have internal predecessors, (216), 90 states have call successors, (90), 7 states have call predecessors, (90), 7 states have return successors, (90), 86 states have call predecessors, (90), 90 states have call successors, (90) [2024-12-02 15:51:03,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 396 transitions. [2024-12-02 15:51:03,343 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 396 transitions. Word has length 161 [2024-12-02 15:51:03,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:03,344 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 396 transitions. [2024-12-02 15:51:03,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:51:03,344 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 396 transitions. [2024-12-02 15:51:03,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 15:51:03,346 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:03,346 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:03,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-12-02 15:51:03,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:51:03,547 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:03,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:03,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1066404642, now seen corresponding path program 1 times [2024-12-02 15:51:03,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:51:03,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1308242492] [2024-12-02 15:51:03,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:03,547 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:51:03,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:51:03,549 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:51:03,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-12-02 15:51:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:04,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 15:51:04,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:51:04,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 15:51:04,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2024-12-02 15:51:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:51:04,340 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:51:04,340 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:51:04,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1308242492] [2024-12-02 15:51:04,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1308242492] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:04,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:04,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:51:04,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494150700] [2024-12-02 15:51:04,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:04,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:51:04,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:51:04,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:51:04,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:51:04,342 INFO L87 Difference]: Start difference. First operand 285 states and 396 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:51:04,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:04,802 INFO L93 Difference]: Finished difference Result 564 states and 782 transitions. [2024-12-02 15:51:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:51:04,803 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 163 [2024-12-02 15:51:04,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:04,805 INFO L225 Difference]: With dead ends: 564 [2024-12-02 15:51:04,805 INFO L226 Difference]: Without dead ends: 562 [2024-12-02 15:51:04,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:51:04,806 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 128 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:04,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1210 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:51:04,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-12-02 15:51:04,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 525. [2024-12-02 15:51:04,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 351 states have (on average 1.1652421652421652) internal successors, (409), 357 states have internal predecessors, (409), 160 states have call successors, (160), 13 states have call predecessors, (160), 13 states have return successors, (160), 154 states have call predecessors, (160), 160 states have call successors, (160) [2024-12-02 15:51:04,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 729 transitions. [2024-12-02 15:51:04,849 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 729 transitions. Word has length 163 [2024-12-02 15:51:04,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:04,850 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 729 transitions. [2024-12-02 15:51:04,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:51:04,850 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 729 transitions. [2024-12-02 15:51:04,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 15:51:04,852 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:04,852 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:04,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-12-02 15:51:05,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:51:05,053 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:05,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:05,053 INFO L85 PathProgramCache]: Analyzing trace with hash -685915059, now seen corresponding path program 1 times [2024-12-02 15:51:05,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:51:05,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073594017] [2024-12-02 15:51:05,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:05,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:51:05,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:51:05,056 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:51:05,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-12-02 15:51:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:05,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:51:05,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:51:05,869 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:51:05,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 16 [2024-12-02 15:51:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:51:06,304 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:51:06,304 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:51:06,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073594017] [2024-12-02 15:51:06,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073594017] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:06,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:06,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:51:06,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353746640] [2024-12-02 15:51:06,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:06,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:51:06,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:51:06,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:51:06,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:51:06,305 INFO L87 Difference]: Start difference. First operand 525 states and 729 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:51:10,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:10,550 INFO L93 Difference]: Finished difference Result 1261 states and 1727 transitions. [2024-12-02 15:51:10,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:51:10,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 164 [2024-12-02 15:51:10,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:10,554 INFO L225 Difference]: With dead ends: 1261 [2024-12-02 15:51:10,554 INFO L226 Difference]: Without dead ends: 748 [2024-12-02 15:51:10,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:51:10,556 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 79 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:10,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 721 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 15:51:10,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-12-02 15:51:10,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 737. [2024-12-02 15:51:10,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 507 states have (on average 1.1715976331360947) internal successors, (594), 521 states have internal predecessors, (594), 204 states have call successors, (204), 25 states have call predecessors, (204), 25 states have return successors, (204), 190 states have call predecessors, (204), 204 states have call successors, (204) [2024-12-02 15:51:10,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1002 transitions. [2024-12-02 15:51:10,609 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1002 transitions. Word has length 164 [2024-12-02 15:51:10,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:10,609 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1002 transitions. [2024-12-02 15:51:10,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:51:10,609 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1002 transitions. [2024-12-02 15:51:10,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 15:51:10,610 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:10,611 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:10,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-12-02 15:51:10,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:51:10,811 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:10,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:10,811 INFO L85 PathProgramCache]: Analyzing trace with hash -254587487, now seen corresponding path program 1 times [2024-12-02 15:51:10,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:51:10,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754788392] [2024-12-02 15:51:10,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:10,812 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:51:10,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:51:10,813 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:51:10,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-12-02 15:51:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:11,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:51:11,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:51:11,573 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:51:11,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 17 [2024-12-02 15:51:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:51:12,001 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:51:12,001 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:51:12,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [754788392] [2024-12-02 15:51:12,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [754788392] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:12,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:12,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:51:12,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316248114] [2024-12-02 15:51:12,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:12,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:51:12,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:51:12,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:51:12,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:51:12,002 INFO L87 Difference]: Start difference. First operand 737 states and 1002 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:51:15,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:15,274 INFO L93 Difference]: Finished difference Result 1439 states and 1924 transitions. [2024-12-02 15:51:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:51:15,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 166 [2024-12-02 15:51:15,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:15,277 INFO L225 Difference]: With dead ends: 1439 [2024-12-02 15:51:15,277 INFO L226 Difference]: Without dead ends: 780 [2024-12-02 15:51:15,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:51:15,279 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 75 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:15,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 460 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-12-02 15:51:15,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2024-12-02 15:51:15,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 276. [2024-12-02 15:51:15,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 210 states have (on average 1.2095238095238094) internal successors, (254), 213 states have internal predecessors, (254), 55 states have call successors, (55), 10 states have call predecessors, (55), 10 states have return successors, (55), 52 states have call predecessors, (55), 55 states have call successors, (55) [2024-12-02 15:51:15,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 364 transitions. [2024-12-02 15:51:15,302 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 364 transitions. Word has length 166 [2024-12-02 15:51:15,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:15,302 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 364 transitions. [2024-12-02 15:51:15,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:51:15,303 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 364 transitions. [2024-12-02 15:51:15,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 15:51:15,303 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:15,304 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:15,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-12-02 15:51:15,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:51:15,504 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:15,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:15,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1059331261, now seen corresponding path program 1 times [2024-12-02 15:51:15,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:51:15,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1583056274] [2024-12-02 15:51:15,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:15,505 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:51:15,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:51:15,508 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:51:15,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-12-02 15:51:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:16,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:51:16,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:51:16,146 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:51:16,146 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:51:16,146 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:51:16,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1583056274] [2024-12-02 15:51:16,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1583056274] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:16,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:16,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:51:16,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796142592] [2024-12-02 15:51:16,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:16,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:51:16,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:51:16,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:51:16,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:51:16,147 INFO L87 Difference]: Start difference. First operand 276 states and 364 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:51:16,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:16,998 INFO L93 Difference]: Finished difference Result 510 states and 676 transitions. [2024-12-02 15:51:16,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:51:16,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 166 [2024-12-02 15:51:16,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:17,000 INFO L225 Difference]: With dead ends: 510 [2024-12-02 15:51:17,000 INFO L226 Difference]: Without dead ends: 278 [2024-12-02 15:51:17,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:51:17,001 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:17,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 279 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:51:17,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-12-02 15:51:17,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2024-12-02 15:51:17,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 212 states have (on average 1.2075471698113207) internal successors, (256), 215 states have internal predecessors, (256), 55 states have call successors, (55), 10 states have call predecessors, (55), 10 states have return successors, (55), 52 states have call predecessors, (55), 55 states have call successors, (55) [2024-12-02 15:51:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 366 transitions. [2024-12-02 15:51:17,023 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 366 transitions. Word has length 166 [2024-12-02 15:51:17,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:17,024 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 366 transitions. [2024-12-02 15:51:17,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:51:17,024 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 366 transitions. [2024-12-02 15:51:17,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 15:51:17,025 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:17,025 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:17,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-12-02 15:51:17,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:51:17,225 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:17,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:17,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1210795686, now seen corresponding path program 1 times [2024-12-02 15:51:17,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:51:17,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1945532223] [2024-12-02 15:51:17,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:17,226 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:51:17,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:51:17,228 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:51:17,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9d87b3-80ba-48f5-9056-f1176a2805fe/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process