./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.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_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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_b15812b8-250a-424e-8743-d2e2275d1895/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 fc5530f3297a60a6e62c32967b204622cc9ceb16e657d6b09a8ffa710c752296 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:52:39,687 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:52:39,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:52:39,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:52:39,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:52:39,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:52:39,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:52:39,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:52:39,785 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:52:39,785 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:52:39,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:52:39,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:52:39,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:52:39,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:52:39,786 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:52:39,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:52:39,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:52:39,787 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:52:39,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:52:39,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:52:39,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:52:39,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:52:39,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:52:39,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:52:39,787 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:52:39,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:52:39,787 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:52:39,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:52:39,788 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:52:39,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:52:39,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:52:39,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:52:39,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:52:39,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:52:39,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:52:39,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:52:39,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:52:39,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:52:39,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:52:39,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:52:39,789 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:52:39,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:52:39,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:52:39,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:52:39,789 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:52:39,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:52:39,790 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:52:39,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:52:39,790 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_b15812b8-250a-424e-8743-d2e2275d1895/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 -> fc5530f3297a60a6e62c32967b204622cc9ceb16e657d6b09a8ffa710c752296 [2024-12-02 12:52:40,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:52:40,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:52:40,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:52:40,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:52:40,082 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:52:40,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i [2024-12-02 12:52:43,309 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/data/322ac6a5c/93d7557b6ada4597bb210826f2291603/FLAG41e56764f [2024-12-02 12:52:43,537 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:52:43,538 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i [2024-12-02 12:52:43,548 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/data/322ac6a5c/93d7557b6ada4597bb210826f2291603/FLAG41e56764f [2024-12-02 12:52:43,872 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/data/322ac6a5c/93d7557b6ada4597bb210826f2291603 [2024-12-02 12:52:43,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:52:43,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:52:43,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:52:43,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:52:43,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:52:43,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:52:43" (1/1) ... [2024-12-02 12:52:43,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d314ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:43, skipping insertion in model container [2024-12-02 12:52:43,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:52:43" (1/1) ... [2024-12-02 12:52:43,905 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:52:44,068 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_b15812b8-250a-424e-8743-d2e2275d1895/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i[916,929] [2024-12-02 12:52:44,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:52:44,158 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:52:44,168 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_b15812b8-250a-424e-8743-d2e2275d1895/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i[916,929] [2024-12-02 12:52:44,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:52:44,228 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:52:44,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:44 WrapperNode [2024-12-02 12:52:44,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:52:44,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:52:44,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:52:44,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:52:44,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:44" (1/1) ... [2024-12-02 12:52:44,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:44" (1/1) ... [2024-12-02 12:52:44,294 INFO L138 Inliner]: procedures = 29, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 483 [2024-12-02 12:52:44,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:52:44,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:52:44,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:52:44,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:52:44,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:44" (1/1) ... [2024-12-02 12:52:44,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:44" (1/1) ... [2024-12-02 12:52:44,307 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:44" (1/1) ... [2024-12-02 12:52:44,331 INFO L175 MemorySlicer]: Split 121 memory accesses to 7 slices as follows [2, 29, 15, 7, 7, 48, 13]. 40 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 4, 2, 1, 1, 4, 2]. The 16 writes are split as follows [0, 4, 2, 1, 3, 4, 2]. [2024-12-02 12:52:44,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:44" (1/1) ... [2024-12-02 12:52:44,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:44" (1/1) ... [2024-12-02 12:52:44,355 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:44" (1/1) ... [2024-12-02 12:52:44,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:44" (1/1) ... [2024-12-02 12:52:44,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:44" (1/1) ... [2024-12-02 12:52:44,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:44" (1/1) ... [2024-12-02 12:52:44,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:44" (1/1) ... [2024-12-02 12:52:44,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:52:44,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:52:44,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:52:44,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:52:44,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:44" (1/1) ... [2024-12-02 12:52:44,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:52:44,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:52:44,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:52:44,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:52:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:52:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 12:52:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 12:52:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 12:52:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 12:52:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 12:52:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 12:52:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-12-02 12:52:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 12:52:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 12:52:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 12:52:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 12:52:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 12:52:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 12:52:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 12:52:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 12:52:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 12:52:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 12:52:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 12:52:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 12:52:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 12:52:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-12-02 12:52:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 12:52:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 12:52:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 12:52:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 12:52:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 12:52:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 12:52:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 12:52:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 12:52:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 12:52:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 12:52:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 12:52:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 12:52:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 12:52:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-12-02 12:52:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:52:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:52:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:52:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:52:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 12:52:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 12:52:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 12:52:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 12:52:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 12:52:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:52:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:52:44,597 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:52:44,599 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:52:45,131 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-12-02 12:52:45,131 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:52:45,141 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:52:45,141 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:52:45,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:52:45 BoogieIcfgContainer [2024-12-02 12:52:45,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:52:45,144 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:52:45,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:52:45,147 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:52:45,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:52:43" (1/3) ... [2024-12-02 12:52:45,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5576d89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:52:45, skipping insertion in model container [2024-12-02 12:52:45,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:44" (2/3) ... [2024-12-02 12:52:45,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5576d89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:52:45, skipping insertion in model container [2024-12-02 12:52:45,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:52:45" (3/3) ... [2024-12-02 12:52:45,149 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-95.i [2024-12-02 12:52:45,162 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:52:45,164 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-95.i that has 2 procedures, 114 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:52:45,216 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:52:45,228 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@381c14de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:52:45,229 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:52:45,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 95 states have (on average 1.4210526315789473) internal successors, (135), 96 states have internal predecessors, (135), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:52:45,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 12:52:45,243 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:52:45,244 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:45,244 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:52:45,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:52:45,249 INFO L85 PathProgramCache]: Analyzing trace with hash 904272225, now seen corresponding path program 1 times [2024-12-02 12:52:45,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:52:45,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721911493] [2024-12-02 12:52:45,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:45,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:52:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:45,562 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 12:52:45,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:52:45,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721911493] [2024-12-02 12:52:45,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721911493] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:52:45,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265474722] [2024-12-02 12:52:45,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:45,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:52:45,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:52:45,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:52:45,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:52:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:45,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:52:45,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:52:45,843 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 12:52:45,844 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:52:45,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265474722] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:52:45,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:52:45,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 12:52:45,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675586512] [2024-12-02 12:52:45,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:52:45,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:52:45,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:52:45,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:52:45,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:52:45,870 INFO L87 Difference]: Start difference. First operand has 114 states, 95 states have (on average 1.4210526315789473) internal successors, (135), 96 states have internal predecessors, (135), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 12:52:45,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:52:45,898 INFO L93 Difference]: Finished difference Result 221 states and 344 transitions. [2024-12-02 12:52:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:52:45,901 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 132 [2024-12-02 12:52:45,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:52:45,906 INFO L225 Difference]: With dead ends: 221 [2024-12-02 12:52:45,907 INFO L226 Difference]: Without dead ends: 110 [2024-12-02 12:52:45,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 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 12:52:45,914 INFO L435 NwaCegarLoop]: 156 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, 156 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 12:52:45,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:52:45,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-12-02 12:52:45,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-12-02 12:52:45,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 92 states have internal predecessors, (124), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:52:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 156 transitions. [2024-12-02 12:52:45,982 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 156 transitions. Word has length 132 [2024-12-02 12:52:45,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:52:45,983 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 156 transitions. [2024-12-02 12:52:45,983 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 12:52:45,983 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 156 transitions. [2024-12-02 12:52:45,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 12:52:45,987 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:52:45,987 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:45,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:52:46,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 12:52:46,188 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:52:46,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:52:46,189 INFO L85 PathProgramCache]: Analyzing trace with hash 567370629, now seen corresponding path program 1 times [2024-12-02 12:52:46,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:52:46,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405923842] [2024-12-02 12:52:46,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:46,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:52:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:46,521 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 12:52:46,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:52:46,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405923842] [2024-12-02 12:52:46,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405923842] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:52:46,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:52:46,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:52:46,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141888534] [2024-12-02 12:52:46,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:52:46,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:52:46,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:52:46,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:52:46,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:52:46,527 INFO L87 Difference]: Start difference. First operand 110 states and 156 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:52:46,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:52:46,583 INFO L93 Difference]: Finished difference Result 220 states and 313 transitions. [2024-12-02 12:52:46,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:52:46,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 132 [2024-12-02 12:52:46,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:52:46,587 INFO L225 Difference]: With dead ends: 220 [2024-12-02 12:52:46,587 INFO L226 Difference]: Without dead ends: 113 [2024-12-02 12:52:46,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:52:46,589 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 1 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:52:46,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 450 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:52:46,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-12-02 12:52:46,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-12-02 12:52:46,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 94 states have (on average 1.3404255319148937) internal successors, (126), 94 states have internal predecessors, (126), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:52:46,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2024-12-02 12:52:46,603 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 132 [2024-12-02 12:52:46,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:52:46,605 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2024-12-02 12:52:46,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:52:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2024-12-02 12:52:46,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 12:52:46,608 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:52:46,608 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:46,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:52:46,609 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:52:46,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:52:46,609 INFO L85 PathProgramCache]: Analyzing trace with hash 569217671, now seen corresponding path program 1 times [2024-12-02 12:52:46,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:52:46,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963789087] [2024-12-02 12:52:46,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:46,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:52:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 12:52:47,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:52:47,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963789087] [2024-12-02 12:52:47,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963789087] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:52:47,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:52:47,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:52:47,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617297938] [2024-12-02 12:52:47,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:52:47,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:52:47,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:52:47,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:52:47,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:52:47,055 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:52:47,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:52:47,128 INFO L93 Difference]: Finished difference Result 222 states and 314 transitions. [2024-12-02 12:52:47,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:52:47,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 132 [2024-12-02 12:52:47,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:52:47,131 INFO L225 Difference]: With dead ends: 222 [2024-12-02 12:52:47,131 INFO L226 Difference]: Without dead ends: 113 [2024-12-02 12:52:47,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:52:47,133 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 65 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:52:47,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 374 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:52:47,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-12-02 12:52:47,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-12-02 12:52:47,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 94 states have internal predecessors, (125), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:52:47,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 157 transitions. [2024-12-02 12:52:47,144 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 157 transitions. Word has length 132 [2024-12-02 12:52:47,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:52:47,144 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 157 transitions. [2024-12-02 12:52:47,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:52:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 157 transitions. [2024-12-02 12:52:47,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 12:52:47,147 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:52:47,147 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:47,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:52:47,147 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:52:47,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:52:47,148 INFO L85 PathProgramCache]: Analyzing trace with hash -184917182, now seen corresponding path program 1 times [2024-12-02 12:52:47,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:52:47,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967967722] [2024-12-02 12:52:47,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:47,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:52:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 12:52:48,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:52:48,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967967722] [2024-12-02 12:52:48,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967967722] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:52:48,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430904627] [2024-12-02 12:52:48,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:48,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:52:48,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:52:48,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:52:48,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:52:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:48,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 12:52:48,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:52:49,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-12-02 12:52:49,135 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 17 treesize of output 9 [2024-12-02 12:52:49,171 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 183 proven. 9 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 12:52:49,171 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:52:49,569 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 12:52:49,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430904627] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:52:49,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:52:49,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2024-12-02 12:52:49,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077838779] [2024-12-02 12:52:49,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:52:49,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 12:52:49,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:52:49,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 12:52:49,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-12-02 12:52:49,573 INFO L87 Difference]: Start difference. First operand 112 states and 157 transitions. Second operand has 17 states, 14 states have (on average 7.5) internal successors, (105), 17 states have internal predecessors, (105), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) [2024-12-02 12:52:50,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:52:50,211 INFO L93 Difference]: Finished difference Result 231 states and 321 transitions. [2024-12-02 12:52:50,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 12:52:50,211 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 7.5) internal successors, (105), 17 states have internal predecessors, (105), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) Word has length 134 [2024-12-02 12:52:50,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:52:50,213 INFO L225 Difference]: With dead ends: 231 [2024-12-02 12:52:50,213 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 12:52:50,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=591, Unknown=0, NotChecked=0, Total=756 [2024-12-02 12:52:50,216 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 441 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:52:50,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 760 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:52:50,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 12:52:50,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 118. [2024-12-02 12:52:50,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 99 states have (on average 1.3131313131313131) internal successors, (130), 99 states have internal predecessors, (130), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:52:50,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 162 transitions. [2024-12-02 12:52:50,230 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 162 transitions. Word has length 134 [2024-12-02 12:52:50,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:52:50,231 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 162 transitions. [2024-12-02 12:52:50,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 7.5) internal successors, (105), 17 states have internal predecessors, (105), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) [2024-12-02 12:52:50,232 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 162 transitions. [2024-12-02 12:52:50,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 12:52:50,234 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:52:50,234 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:50,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 12:52:50,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:52:50,435 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:52:50,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:52:50,435 INFO L85 PathProgramCache]: Analyzing trace with hash -89491912, now seen corresponding path program 1 times [2024-12-02 12:52:50,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:52:50,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650794374] [2024-12-02 12:52:50,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:50,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:52:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:51,856 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 12:52:51,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:52:51,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650794374] [2024-12-02 12:52:51,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650794374] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:52:51,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082953764] [2024-12-02 12:52:51,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:51,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:52:51,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:52:51,859 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:52:51,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 12:52:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:52,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 12:52:52,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:52:52,704 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 11 treesize of output 7 [2024-12-02 12:52:52,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-12-02 12:52:52,808 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 199 proven. 33 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-02 12:52:52,808 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:52:53,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-12-02 12:52:53,588 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 12 proven. 33 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 12:52:53,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082953764] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:52:53,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:52:53,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 11] total 31 [2024-12-02 12:52:53,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805423921] [2024-12-02 12:52:53,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:52:53,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-12-02 12:52:53,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:52:53,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-12-02 12:52:53,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=822, Unknown=0, NotChecked=0, Total=930 [2024-12-02 12:52:53,592 INFO L87 Difference]: Start difference. First operand 118 states and 162 transitions. Second operand has 31 states, 28 states have (on average 5.392857142857143) internal successors, (151), 31 states have internal predecessors, (151), 9 states have call successors, (48), 3 states have call predecessors, (48), 6 states have return successors, (48), 6 states have call predecessors, (48), 9 states have call successors, (48) [2024-12-02 12:52:56,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:52:56,680 INFO L93 Difference]: Finished difference Result 437 states and 592 transitions. [2024-12-02 12:52:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-12-02 12:52:56,680 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 28 states have (on average 5.392857142857143) internal successors, (151), 31 states have internal predecessors, (151), 9 states have call successors, (48), 3 states have call predecessors, (48), 6 states have return successors, (48), 6 states have call predecessors, (48), 9 states have call successors, (48) Word has length 135 [2024-12-02 12:52:56,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:52:56,682 INFO L225 Difference]: With dead ends: 437 [2024-12-02 12:52:56,682 INFO L226 Difference]: Without dead ends: 313 [2024-12-02 12:52:56,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1555 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=848, Invalid=5314, Unknown=0, NotChecked=0, Total=6162 [2024-12-02 12:52:56,685 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 912 mSDsluCounter, 2698 mSDsCounter, 0 mSdLazyCounter, 1967 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 2864 SdHoareTripleChecker+Invalid, 2256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 1967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:52:56,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 2864 Invalid, 2256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 1967 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 12:52:56,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-12-02 12:52:56,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 295. [2024-12-02 12:52:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 237 states have (on average 1.2869198312236287) internal successors, (305), 238 states have internal predecessors, (305), 48 states have call successors, (48), 9 states have call predecessors, (48), 9 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 12:52:56,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 401 transitions. [2024-12-02 12:52:56,725 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 401 transitions. Word has length 135 [2024-12-02 12:52:56,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:52:56,725 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 401 transitions. [2024-12-02 12:52:56,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 28 states have (on average 5.392857142857143) internal successors, (151), 31 states have internal predecessors, (151), 9 states have call successors, (48), 3 states have call predecessors, (48), 6 states have return successors, (48), 6 states have call predecessors, (48), 9 states have call successors, (48) [2024-12-02 12:52:56,726 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 401 transitions. [2024-12-02 12:52:56,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-02 12:52:56,727 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:52:56,728 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:56,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 12:52:56,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:52:56,928 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:52:56,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:52:56,929 INFO L85 PathProgramCache]: Analyzing trace with hash -156385866, now seen corresponding path program 1 times [2024-12-02 12:52:56,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:52:56,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434932600] [2024-12-02 12:52:56,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:56,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:52:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:52:57,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2092427194] [2024-12-02 12:52:57,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:57,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:52:57,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:52:57,110 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:52:57,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 12:52:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:52:57,605 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:52:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:52:58,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 12:52:58,007 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:52:58,008 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:52:58,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 12:52:58,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:52:58,214 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 12:52:58,297 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:52:58,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:52:58 BoogieIcfgContainer [2024-12-02 12:52:58,300 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:52:58,301 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:52:58,301 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:52:58,301 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:52:58,302 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:52:45" (3/4) ... [2024-12-02 12:52:58,303 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:52:58,304 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:52:58,305 INFO L158 Benchmark]: Toolchain (without parser) took 14428.83ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 91.8MB in the beginning and 98.1MB in the end (delta: -6.3MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2024-12-02 12:52:58,305 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:52:58,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.81ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 76.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:52:58,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.12ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 72.0MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:52:58,306 INFO L158 Benchmark]: Boogie Preprocessor took 81.11ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 67.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:52:58,306 INFO L158 Benchmark]: RCFGBuilder took 765.32ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 84.6MB in the end (delta: -17.7MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-12-02 12:52:58,307 INFO L158 Benchmark]: TraceAbstraction took 13156.90ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 84.1MB in the beginning and 98.2MB in the end (delta: -14.0MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2024-12-02 12:52:58,307 INFO L158 Benchmark]: Witness Printer took 3.22ms. Allocated memory is still 192.9MB. Free memory was 98.2MB in the beginning and 98.1MB in the end (delta: 23.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:52:58,309 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.81ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 76.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.12ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 72.0MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 81.11ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 67.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 765.32ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 84.6MB in the end (delta: -17.7MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * TraceAbstraction took 13156.90ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 84.1MB in the beginning and 98.2MB in the end (delta: -14.0MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Witness Printer took 3.22ms. Allocated memory is still 192.9MB. Free memory was 98.2MB in the beginning and 98.1MB in the end (delta: 23.5kB). 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 65, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] float float_Array_0[2][2] = { {50.4, 8.54}, {255.8, 1.8} }; [L22-L24] float float_Array_0[2][2] = { {50.4, 8.54}, {255.8, 1.8} }; [L22-L24] float float_Array_0[2][2] = { {50.4, 8.54}, {255.8, 1.8} }; [L22-L24] float float_Array_0[2][2] = { {50.4, 8.54}, {255.8, 1.8} }; [L22-L24] float float_Array_0[2][2] = { {50.4, 8.54}, {255.8, 1.8} }; [L25-L27] signed char signed_char_Array_0[2] = { -1, -16 }; [L25-L27] signed char signed_char_Array_0[2] = { -1, -16 }; [L25-L27] signed char signed_char_Array_0[2] = { -1, -16 }; [L28-L30] signed long int signed_long_int_Array_0[1] = { -64 }; [L28-L30] signed long int signed_long_int_Array_0[1] = { -64 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 0 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 0 }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 0}, {32, 5} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 0}, {32, 5} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 0}, {32, 5} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 0}, {32, 5} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 0}, {32, 5} }; [L37-L39] unsigned long int unsigned_long_int_Array_0[2] = { 8, 16 }; [L37-L39] unsigned long int unsigned_long_int_Array_0[2] = { 8, 16 }; [L37-L39] unsigned long int unsigned_long_int_Array_0[2] = { 8, 16 }; [L40] unsigned char last_1_unsigned_char_Array_0_0__1_ = 0; VAL [float_Array_0={4:0}, isInitial=0, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L96] isInitial = 1 [L97] FCALL initially() [L99] CALL updateLastVariables() [L89] EXPR unsigned_char_Array_0[0][1] [L89] last_1_unsigned_char_Array_0_0__1_ = unsigned_char_Array_0[0][1] [L99] RET updateLastVariables() [L100] CALL updateVariables() [L62] float_Array_0[0][0] = __VERIFIER_nondet_float() [L63] EXPR float_Array_0[0][0] [L63] EXPR float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L63] EXPR float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F [L63] EXPR float_Array_0[0][0] [L63] EXPR float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L63] EXPR (float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 4611686.018427382800e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L63] EXPR (float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 4611686.018427382800e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L63] CALL assume_abort_if_not((float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 4611686.018427382800e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L63] RET assume_abort_if_not((float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 4611686.018427382800e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L64] float_Array_0[1][0] = __VERIFIER_nondet_float() [L65] EXPR float_Array_0[1][0] [L65] EXPR float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L65] EXPR float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F [L65] EXPR float_Array_0[1][0] [L65] EXPR float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L65] EXPR (float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 4611686.018427382800e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L65] EXPR (float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 4611686.018427382800e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L65] CALL assume_abort_if_not((float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 4611686.018427382800e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L65] RET assume_abort_if_not((float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 4611686.018427382800e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L66] float_Array_0[0][1] = __VERIFIER_nondet_float() [L67] EXPR float_Array_0[0][1] [L67] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L67] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F [L67] EXPR float_Array_0[0][1] [L67] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L67] EXPR (float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L67] EXPR (float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L67] CALL assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L67] RET assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L68] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L69] EXPR signed_char_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L69] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L69] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L70] EXPR signed_char_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L70] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L70] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L71] unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L72] EXPR unsigned_char_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L72] CALL assume_abort_if_not(unsigned_char_Array_0[0][0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L72] RET assume_abort_if_not(unsigned_char_Array_0[0][0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L73] EXPR unsigned_char_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L73] CALL assume_abort_if_not(unsigned_char_Array_0[0][0] <= 127) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L73] RET assume_abort_if_not(unsigned_char_Array_0[0][0] <= 127) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L74] unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L75] EXPR unsigned_char_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L75] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L75] RET assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L76] EXPR unsigned_char_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L76] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] <= 127) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L76] RET assume_abort_if_not(unsigned_char_Array_0[1][0] <= 127) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L77] unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L78] EXPR unsigned_char_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L78] CALL assume_abort_if_not(unsigned_char_Array_0[1][1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L78] RET assume_abort_if_not(unsigned_char_Array_0[1][1] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] EXPR unsigned_char_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] CALL assume_abort_if_not(unsigned_char_Array_0[1][1] <= 127) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] RET assume_abort_if_not(unsigned_char_Array_0[1][1] <= 127) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L80] unsigned_long_int_Array_0[0] = __VERIFIER_nondet_ulong() [L81] EXPR unsigned_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L81] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L81] RET assume_abort_if_not(unsigned_long_int_Array_0[0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] EXPR unsigned_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] <= 2147483647) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] RET assume_abort_if_not(unsigned_long_int_Array_0[0] <= 2147483647) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L83] unsigned_long_int_Array_0[1] = __VERIFIER_nondet_ulong() [L84] EXPR unsigned_long_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L84] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L84] RET assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] EXPR unsigned_long_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967295) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] RET assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967295) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] EXPR unsigned_long_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] != 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] RET assume_abort_if_not(unsigned_long_int_Array_0[1] != 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L100] RET updateVariables() [L101] CALL step() [L44] signed_long_int_Array_0[0] = ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))) [L45] EXPR float_Array_0[0][1] [L45] EXPR float_Array_0[1][0] [L45] EXPR float_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L45] EXPR ((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)) [L45] EXPR ((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L45] float_Array_0[1][1] = ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f))))) [L46] EXPR signed_char_Array_0[1] [L46] signed_char_Array_0[0] = signed_char_Array_0[1] [L47] EXPR signed_char_Array_0[0] [L47] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L47] EXPR signed_char_Array_0[0] & signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L47] signed long int stepLocal_0 = signed_char_Array_0[0] & signed_long_int_Array_0[0]; [L48] EXPR unsigned_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L48] COND TRUE (- (3351680781u - unsigned_long_int_Array_0[0])) > stepLocal_0 [L49] EXPR unsigned_char_Array_0[1][0] [L49] EXPR unsigned_char_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L49] EXPR ((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]) [L49] EXPR unsigned_char_Array_0[1][1] [L49] EXPR ((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L49] EXPR ((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))) [L49] EXPR unsigned_char_Array_0[1][0] [L49] EXPR ((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L49] EXPR unsigned_char_Array_0[0][0] [L49] unsigned_char_Array_0[0][1] = (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]) [L51] EXPR signed_char_Array_0[0] [L51] EXPR unsigned_long_int_Array_0[1] [L51] EXPR unsigned_char_Array_0[0][1] [L51] EXPR unsigned_char_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L51] EXPR unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L51] COND FALSE !((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) [L54] EXPR signed_char_Array_0[0] [L54] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L54] COND TRUE signed_char_Array_0[0] >= signed_long_int_Array_0[0] [L55] EXPR unsigned_char_Array_0[0][0] [L55] EXPR unsigned_char_Array_0[1][1] [L55] signed_short_int_Array_0[0] = (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])) [L101] RET step() [L102] CALL, EXPR property() [L92] EXPR signed_long_int_Array_0[0] [L92] EXPR (signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f))))))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR (signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f))))))) [L92] EXPR float_Array_0[1][1] [L92] EXPR float_Array_0[0][1] [L92] EXPR float_Array_0[1][0] [L92] EXPR float_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR ((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)) [L92] EXPR ((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR (signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f))))))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR ((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR ((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR (((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1)) && (((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((4 - unsigned_char_Array_0[1][1]) < 0 ) ? -(4 - unsigned_char_Array_0[1][1]) : (4 - unsigned_char_Array_0[1][1]))))) : ((signed_char_Array_0[0] >= signed_long_int_Array_0[0]) ? (signed_short_int_Array_0[0] == ((signed short int) (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])))) : (signed_short_int_Array_0[0] == ((signed short int) 256)))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR (((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1)) && (((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((4 - unsigned_char_Array_0[1][1]) < 0 ) ? -(4 - unsigned_char_Array_0[1][1]) : (4 - unsigned_char_Array_0[1][1]))))) : ((signed_char_Array_0[0] >= signed_long_int_Array_0[0]) ? (signed_short_int_Array_0[0] == ((signed short int) (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])))) : (signed_short_int_Array_0[0] == ((signed short int) 256)))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR ((((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1)) && (((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((4 - unsigned_char_Array_0[1][1]) < 0 ) ? -(4 - unsigned_char_Array_0[1][1]) : (4 - unsigned_char_Array_0[1][1]))))) : ((signed_char_Array_0[0] >= signed_long_int_Array_0[0]) ? (signed_short_int_Array_0[0] == ((signed short int) (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])))) : (signed_short_int_Array_0[0] == ((signed short int) 256))))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR ((((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1)) && (((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((4 - unsigned_char_Array_0[1][1]) < 0 ) ? -(4 - unsigned_char_Array_0[1][1]) : (4 - unsigned_char_Array_0[1][1]))))) : ((signed_char_Array_0[0] >= signed_long_int_Array_0[0]) ? (signed_short_int_Array_0[0] == ((signed short int) (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])))) : (signed_short_int_Array_0[0] == ((signed short int) 256))))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92-L93] return ((((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1)) && (((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((4 - unsigned_char_Array_0[1][1]) < 0 ) ? -(4 - unsigned_char_Array_0[1][1]) : (4 - unsigned_char_Array_0[1][1]))))) : ((signed_char_Array_0[0] >= signed_long_int_Array_0[0]) ? (signed_short_int_Array_0[0] == ((signed short int) (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])))) : (signed_short_int_Array_0[0] == ((signed short int) 256))))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) ; [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L19] reach_error() VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 6, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1420 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1419 mSDsluCounter, 4604 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3856 mSDsCounter, 386 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2318 IncrementalHoareTripleChecker+Invalid, 2704 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 386 mSolverCounterUnsat, 748 mSDtfsCounter, 2318 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 772 GetRequests, 664 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1649 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=295occurred in iteration=5, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 1340 NumberOfCodeBlocks, 1340 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1325 ConstructedInterpolants, 0 QuantifiedInterpolants, 4196 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1427 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 4668/4800 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 12:52:58,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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_b15812b8-250a-424e-8743-d2e2275d1895/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 fc5530f3297a60a6e62c32967b204622cc9ceb16e657d6b09a8ffa710c752296 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:53:00,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:53:00,796 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 12:53:00,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:53:00,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:53:00,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:53:00,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:53:00,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:53:00,835 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:53:00,835 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:53:00,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:53:00,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:53:00,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:53:00,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:53:00,836 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:53:00,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:53:00,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:53:00,836 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:53:00,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:53:00,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:53:00,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:53:00,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:53:00,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:53:00,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:53:00,837 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 12:53:00,837 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 12:53:00,837 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:53:00,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:53:00,837 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:53:00,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:53:00,838 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:53:00,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:53:00,838 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:53:00,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:53:00,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:53:00,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:53:00,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:53:00,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:53:00,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:53:00,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:53:00,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:53:00,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:53:00,840 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:53:00,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:53:00,840 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 12:53:00,840 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 12:53:00,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:53:00,840 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:53:00,840 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:53:00,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:53:00,841 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_b15812b8-250a-424e-8743-d2e2275d1895/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 -> fc5530f3297a60a6e62c32967b204622cc9ceb16e657d6b09a8ffa710c752296 [2024-12-02 12:53:01,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:53:01,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:53:01,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:53:01,146 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:53:01,146 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:53:01,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i [2024-12-02 12:53:04,186 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/data/849a36456/f2b33f57ab9f4e4fa2a6a89c8bd8d7ff/FLAGd9a5154ff [2024-12-02 12:53:04,398 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:53:04,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i [2024-12-02 12:53:04,410 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/data/849a36456/f2b33f57ab9f4e4fa2a6a89c8bd8d7ff/FLAGd9a5154ff [2024-12-02 12:53:04,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/data/849a36456/f2b33f57ab9f4e4fa2a6a89c8bd8d7ff [2024-12-02 12:53:04,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:53:04,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:53:04,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:53:04,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:53:04,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:53:04,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:53:04" (1/1) ... [2024-12-02 12:53:04,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5643b4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04, skipping insertion in model container [2024-12-02 12:53:04,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:53:04" (1/1) ... [2024-12-02 12:53:04,453 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:53:04,606 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_b15812b8-250a-424e-8743-d2e2275d1895/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i[916,929] [2024-12-02 12:53:04,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:53:04,691 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:53:04,702 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_b15812b8-250a-424e-8743-d2e2275d1895/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i[916,929] [2024-12-02 12:53:04,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:53:04,786 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:53:04,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04 WrapperNode [2024-12-02 12:53:04,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:53:04,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:53:04,788 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:53:04,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:53:04,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04" (1/1) ... [2024-12-02 12:53:04,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04" (1/1) ... [2024-12-02 12:53:04,848 INFO L138 Inliner]: procedures = 36, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 451 [2024-12-02 12:53:04,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:53:04,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:53:04,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:53:04,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:53:04,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04" (1/1) ... [2024-12-02 12:53:04,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04" (1/1) ... [2024-12-02 12:53:04,867 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04" (1/1) ... [2024-12-02 12:53:04,891 INFO L175 MemorySlicer]: Split 121 memory accesses to 7 slices as follows [2, 29, 15, 7, 7, 48, 13]. 40 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 4, 2, 1, 1, 4, 2]. The 16 writes are split as follows [0, 4, 2, 1, 3, 4, 2]. [2024-12-02 12:53:04,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04" (1/1) ... [2024-12-02 12:53:04,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04" (1/1) ... [2024-12-02 12:53:04,921 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04" (1/1) ... [2024-12-02 12:53:04,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04" (1/1) ... [2024-12-02 12:53:04,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04" (1/1) ... [2024-12-02 12:53:04,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04" (1/1) ... [2024-12-02 12:53:04,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04" (1/1) ... [2024-12-02 12:53:04,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:53:04,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:53:04,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:53:04,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:53:04,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04" (1/1) ... [2024-12-02 12:53:04,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:53:04,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:53:04,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:53:04,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:53:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:53:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 12:53:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 12:53:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 12:53:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 12:53:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 12:53:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 12:53:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-12-02 12:53:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 12:53:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 12:53:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 12:53:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 12:53:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 12:53:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-02 12:53:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-12-02 12:53:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 12:53:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 12:53:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 12:53:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 12:53:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 12:53:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 12:53:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-12-02 12:53:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 12:53:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 12:53:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 12:53:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 12:53:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-02 12:53:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-12-02 12:53:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-12-02 12:53:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 12:53:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 12:53:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 12:53:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 12:53:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 12:53:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-02 12:53:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-12-02 12:53:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 12:53:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 12:53:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 12:53:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 12:53:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-02 12:53:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-12-02 12:53:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-12-02 12:53:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 12:53:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 12:53:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 12:53:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 12:53:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 12:53:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-02 12:53:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-12-02 12:53:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 12:53:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 12:53:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 12:53:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 12:53:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 12:53:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-02 12:53:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-12-02 12:53:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 12:53:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 12:53:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 12:53:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 12:53:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 12:53:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-02 12:53:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-12-02 12:53:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:53:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:53:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:53:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:53:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 12:53:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 12:53:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 12:53:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 12:53:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 12:53:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 12:53:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-12-02 12:53:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 12:53:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 12:53:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 12:53:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 12:53:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 12:53:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-02 12:53:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-12-02 12:53:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 12:53:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 12:53:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 12:53:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 12:53:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-02 12:53:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-12-02 12:53:05,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-12-02 12:53:05,223 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:53:05,226 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:53:07,127 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-12-02 12:53:07,127 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:53:07,141 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:53:07,141 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:53:07,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:53:07 BoogieIcfgContainer [2024-12-02 12:53:07,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:53:07,144 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:53:07,145 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:53:07,151 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:53:07,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:53:04" (1/3) ... [2024-12-02 12:53:07,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae11122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:53:07, skipping insertion in model container [2024-12-02 12:53:07,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:04" (2/3) ... [2024-12-02 12:53:07,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae11122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:53:07, skipping insertion in model container [2024-12-02 12:53:07,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:53:07" (3/3) ... [2024-12-02 12:53:07,154 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-95.i [2024-12-02 12:53:07,171 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:53:07,182 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-95.i that has 2 procedures, 103 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:53:07,243 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:53:07,255 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;@7ec579a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:53:07,255 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:53:07,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 84 states have (on average 1.4047619047619047) internal successors, (118), 85 states have internal predecessors, (118), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:53:07,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 12:53:07,271 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:53:07,272 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:07,272 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:53:07,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:53:07,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1308038037, now seen corresponding path program 1 times [2024-12-02 12:53:07,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:53:07,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828764576] [2024-12-02 12:53:07,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:53:07,291 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 12:53:07,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:53:07,293 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:07,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:53:07,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:53:07,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:53:07,922 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-12-02 12:53:07,922 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:53:07,923 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:53:07,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1828764576] [2024-12-02 12:53:07,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1828764576] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:53:07,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:53:07,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:53:07,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048106676] [2024-12-02 12:53:07,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:53:07,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:53:07,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:53:07,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:53:07,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:53:07,954 INFO L87 Difference]: Start difference. First operand has 103 states, 84 states have (on average 1.4047619047619047) internal successors, (118), 85 states have internal predecessors, (118), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 12:53:07,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:53:07,981 INFO L93 Difference]: Finished difference Result 199 states and 310 transitions. [2024-12-02 12:53:07,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:53:07,983 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 129 [2024-12-02 12:53:07,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:53:07,989 INFO L225 Difference]: With dead ends: 199 [2024-12-02 12:53:07,990 INFO L226 Difference]: Without dead ends: 99 [2024-12-02 12:53:07,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 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 12:53:07,996 INFO L435 NwaCegarLoop]: 139 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, 139 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 12:53:07,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:53:08,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-12-02 12:53:08,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-12-02 12:53:08,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 81 states have (on average 1.3209876543209877) internal successors, (107), 81 states have internal predecessors, (107), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 12:53:08,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 139 transitions. [2024-12-02 12:53:08,052 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 139 transitions. Word has length 129 [2024-12-02 12:53:08,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:53:08,052 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 139 transitions. [2024-12-02 12:53:08,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 12:53:08,052 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2024-12-02 12:53:08,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 12:53:08,055 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:53:08,055 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:08,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:08,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:08,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:53:08,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:53:08,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1652192455, now seen corresponding path program 1 times [2024-12-02 12:53:08,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:53:08,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003792993] [2024-12-02 12:53:08,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:53:08,259 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 12:53:08,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:53:08,261 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:08,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:53:08,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:53:08,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:53:08,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-12-02 12:53:09,368 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 44 treesize of output 31 [2024-12-02 12:53:09,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 8 [2024-12-02 12:53:09,388 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-02 12:53:09,502 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 54 treesize of output 42 [2024-12-02 12:53:09,522 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 12:53:09,523 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:53:09,523 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:53:09,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2003792993] [2024-12-02 12:53:09,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2003792993] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:53:09,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:53:09,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:53:09,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111410] [2024-12-02 12:53:09,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:53:09,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:53:09,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:53:09,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:53:09,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:53:09,526 INFO L87 Difference]: Start difference. First operand 99 states and 139 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:53:11,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:53:11,924 INFO L93 Difference]: Finished difference Result 380 states and 537 transitions. [2024-12-02 12:53:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:53:11,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 129 [2024-12-02 12:53:11,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:53:11,930 INFO L225 Difference]: With dead ends: 380 [2024-12-02 12:53:11,930 INFO L226 Difference]: Without dead ends: 284 [2024-12-02 12:53:11,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:53:11,932 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 254 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:53:11,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 669 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-12-02 12:53:11,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-12-02 12:53:11,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 200. [2024-12-02 12:53:11,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 165 states have (on average 1.3272727272727274) internal successors, (219), 165 states have internal predecessors, (219), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 12:53:11,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 283 transitions. [2024-12-02 12:53:11,971 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 283 transitions. Word has length 129 [2024-12-02 12:53:11,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:53:11,972 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 283 transitions. [2024-12-02 12:53:11,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:53:11,972 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 283 transitions. [2024-12-02 12:53:11,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 12:53:11,975 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:53:11,975 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:11,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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)] Forceful destruction successful, exit code 0 [2024-12-02 12:53:12,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:12,176 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:53:12,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:53:12,177 INFO L85 PathProgramCache]: Analyzing trace with hash 45672898, now seen corresponding path program 1 times [2024-12-02 12:53:12,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:53:12,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271445125] [2024-12-02 12:53:12,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:53:12,178 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 12:53:12,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:53:12,180 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:12,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 12:53:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:53:12,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:53:12,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:53:12,885 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 12:53:12,885 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:53:12,885 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:53:12,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271445125] [2024-12-02 12:53:12,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271445125] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:53:12,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:53:12,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:53:12,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57178317] [2024-12-02 12:53:12,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:53:12,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:53:12,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:53:12,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:53:12,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:53:12,888 INFO L87 Difference]: Start difference. First operand 200 states and 283 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:53:12,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:53:12,951 INFO L93 Difference]: Finished difference Result 407 states and 577 transitions. [2024-12-02 12:53:12,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:53:12,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-12-02 12:53:12,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:53:12,954 INFO L225 Difference]: With dead ends: 407 [2024-12-02 12:53:12,954 INFO L226 Difference]: Without dead ends: 210 [2024-12-02 12:53:12,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 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 12:53:12,956 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 1 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:53:12,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 523 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:53:12,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-12-02 12:53:12,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2024-12-02 12:53:12,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 173 states have (on average 1.3121387283236994) internal successors, (227), 173 states have internal predecessors, (227), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 12:53:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 291 transitions. [2024-12-02 12:53:12,982 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 291 transitions. Word has length 131 [2024-12-02 12:53:12,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:53:12,982 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 291 transitions. [2024-12-02 12:53:12,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:53:12,983 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 291 transitions. [2024-12-02 12:53:12,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 12:53:12,985 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:53:12,986 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:12,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 12:53:13,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:13,186 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:53:13,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:53:13,187 INFO L85 PathProgramCache]: Analyzing trace with hash 47519940, now seen corresponding path program 1 times [2024-12-02 12:53:13,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:53:13,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828157644] [2024-12-02 12:53:13,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:53:13,188 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 12:53:13,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:53:13,190 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:13,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:53:13,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 12:53:13,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:53:13,902 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 77 treesize of output 41 [2024-12-02 12:53:13,959 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 12:53:13,959 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:53:13,959 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:53:13,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1828157644] [2024-12-02 12:53:13,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1828157644] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:53:13,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:53:13,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:53:13,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478441801] [2024-12-02 12:53:13,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:53:13,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:53:13,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:53:13,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:53:13,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:53:13,961 INFO L87 Difference]: Start difference. First operand 208 states and 291 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:53:16,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:53:16,024 INFO L93 Difference]: Finished difference Result 415 states and 581 transitions. [2024-12-02 12:53:16,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:53:16,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-12-02 12:53:16,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:53:16,032 INFO L225 Difference]: With dead ends: 415 [2024-12-02 12:53:16,032 INFO L226 Difference]: Without dead ends: 210 [2024-12-02 12:53:16,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:53:16,034 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 133 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:53:16,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 439 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 12:53:16,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-12-02 12:53:16,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2024-12-02 12:53:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 173 states have (on average 1.300578034682081) internal successors, (225), 173 states have internal predecessors, (225), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 12:53:16,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 289 transitions. [2024-12-02 12:53:16,059 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 289 transitions. Word has length 131 [2024-12-02 12:53:16,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:53:16,059 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 289 transitions. [2024-12-02 12:53:16,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 12:53:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 289 transitions. [2024-12-02 12:53:16,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 12:53:16,061 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:53:16,061 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:16,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:16,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:16,262 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:53:16,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:53:16,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1931690690, now seen corresponding path program 1 times [2024-12-02 12:53:16,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:53:16,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598944373] [2024-12-02 12:53:16,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:53:16,264 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 12:53:16,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:53:16,266 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:16,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:53:16,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 12:53:16,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:53:16,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-12-02 12:53:16,976 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 12:53:16,977 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:53:16,977 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:53:16,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598944373] [2024-12-02 12:53:16,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598944373] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:53:16,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:53:16,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:53:16,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493873145] [2024-12-02 12:53:16,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:53:16,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:53:16,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:53:16,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:53:16,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:53:16,979 INFO L87 Difference]: Start difference. First operand 208 states and 289 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 12:53:18,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:53:18,853 INFO L93 Difference]: Finished difference Result 415 states and 577 transitions. [2024-12-02 12:53:18,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:53:18,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2024-12-02 12:53:18,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:53:18,861 INFO L225 Difference]: With dead ends: 415 [2024-12-02 12:53:18,861 INFO L226 Difference]: Without dead ends: 210 [2024-12-02 12:53:18,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:53:18,863 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 121 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:53:18,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 434 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-02 12:53:18,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-12-02 12:53:18,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2024-12-02 12:53:18,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 173 states have (on average 1.2890173410404624) internal successors, (223), 173 states have internal predecessors, (223), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 12:53:18,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 287 transitions. [2024-12-02 12:53:18,885 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 287 transitions. Word has length 133 [2024-12-02 12:53:18,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:53:18,886 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 287 transitions. [2024-12-02 12:53:18,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 12:53:18,886 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 287 transitions. [2024-12-02 12:53:18,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 12:53:18,888 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:53:18,888 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:18,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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)] Forceful destruction successful, exit code 0 [2024-12-02 12:53:19,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:19,089 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:53:19,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:53:19,089 INFO L85 PathProgramCache]: Analyzing trace with hash -457718140, now seen corresponding path program 1 times [2024-12-02 12:53:19,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:53:19,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1248451983] [2024-12-02 12:53:19,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:53:19,090 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 12:53:19,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:53:19,092 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:19,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:53:19,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 12:53:19,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:53:19,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-12-02 12:53:19,792 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-12-02 12:53:19,792 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:53:19,792 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:53:19,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1248451983] [2024-12-02 12:53:19,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1248451983] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:53:19,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:53:19,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:53:19,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288563833] [2024-12-02 12:53:19,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:53:19,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:53:19,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:53:19,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:53:19,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:53:19,794 INFO L87 Difference]: Start difference. First operand 208 states and 287 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 12:53:21,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:53:21,604 INFO L93 Difference]: Finished difference Result 415 states and 573 transitions. [2024-12-02 12:53:21,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:53:21,609 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 135 [2024-12-02 12:53:21,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:53:21,610 INFO L225 Difference]: With dead ends: 415 [2024-12-02 12:53:21,610 INFO L226 Difference]: Without dead ends: 210 [2024-12-02 12:53:21,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:53:21,611 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 113 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:53:21,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 429 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 12:53:21,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-12-02 12:53:21,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2024-12-02 12:53:21,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 173 states have (on average 1.277456647398844) internal successors, (221), 173 states have internal predecessors, (221), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 12:53:21,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 285 transitions. [2024-12-02 12:53:21,627 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 285 transitions. Word has length 135 [2024-12-02 12:53:21,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:53:21,627 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 285 transitions. [2024-12-02 12:53:21,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 12:53:21,628 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 285 transitions. [2024-12-02 12:53:21,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-02 12:53:21,630 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:53:21,630 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:21,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:21,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:21,830 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:53:21,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:53:21,831 INFO L85 PathProgramCache]: Analyzing trace with hash -733443842, now seen corresponding path program 1 times [2024-12-02 12:53:21,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:53:21,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372648103] [2024-12-02 12:53:21,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:53:21,832 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 12:53:21,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:53:21,834 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:21,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-12-02 12:53:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:53:22,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 12:53:22,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:53:22,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-12-02 12:53:22,974 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 12:53:23,135 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 27 treesize of output 11 [2024-12-02 12:53:23,302 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 52 treesize of output 39 [2024-12-02 12:53:23,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 10 [2024-12-02 12:53:23,320 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-02 12:53:23,368 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 15 treesize of output 7 [2024-12-02 12:53:23,376 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 26 treesize of output 18 [2024-12-02 12:53:23,384 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 14 treesize of output 10 [2024-12-02 12:53:23,427 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 183 proven. 9 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 12:53:23,427 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:53:23,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-12-02 12:53:23,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2024-12-02 12:53:23,575 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:53:23,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 45 [2024-12-02 12:53:23,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2024-12-02 12:53:23,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 6 [2024-12-02 12:53:23,692 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:53:23,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372648103] [2024-12-02 12:53:23,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372648103] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:53:23,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1466290686] [2024-12-02 12:53:23,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:53:23,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:53:23,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:53:23,695 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:53:23,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-02 12:53:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:53:26,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 12:53:26,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:53:26,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-12-02 12:53:26,587 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 12:53:26,857 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 23 treesize of output 11 [2024-12-02 12:53:27,078 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 15 treesize of output 11 [2024-12-02 12:53:27,086 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 15 treesize of output 7 [2024-12-02 12:53:27,538 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 98 treesize of output 78 [2024-12-02 12:53:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 183 proven. 9 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 12:53:27,619 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:53:27,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-12-02 12:53:27,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2024-12-02 12:53:27,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1466290686] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:53:27,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:53:27,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2024-12-02 12:53:27,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822536387] [2024-12-02 12:53:27,856 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:53:27,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 12:53:27,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:53:27,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 12:53:27,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2024-12-02 12:53:27,858 INFO L87 Difference]: Start difference. First operand 208 states and 285 transitions. Second operand has 19 states, 17 states have (on average 7.0588235294117645) internal successors, (120), 18 states have internal predecessors, (120), 6 states have call successors, (32), 4 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2024-12-02 12:53:33,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:53:33,539 INFO L93 Difference]: Finished difference Result 460 states and 625 transitions. [2024-12-02 12:53:33,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 12:53:33,542 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 7.0588235294117645) internal successors, (120), 18 states have internal predecessors, (120), 6 states have call successors, (32), 4 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) Word has length 137 [2024-12-02 12:53:33,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:53:33,545 INFO L225 Difference]: With dead ends: 460 [2024-12-02 12:53:33,545 INFO L226 Difference]: Without dead ends: 255 [2024-12-02 12:53:33,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 295 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=262, Invalid=1070, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 12:53:33,546 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 422 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:53:33,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 1381 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 12:53:33,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-12-02 12:53:33,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 247. [2024-12-02 12:53:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 199 states have (on average 1.2512562814070352) internal successors, (249), 200 states have internal predecessors, (249), 43 states have call successors, (43), 4 states have call predecessors, (43), 4 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-12-02 12:53:33,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 335 transitions. [2024-12-02 12:53:33,571 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 335 transitions. Word has length 137 [2024-12-02 12:53:33,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:53:33,572 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 335 transitions. [2024-12-02 12:53:33,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 7.0588235294117645) internal successors, (120), 18 states have internal predecessors, (120), 6 states have call successors, (32), 4 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2024-12-02 12:53:33,572 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 335 transitions. [2024-12-02 12:53:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 12:53:33,573 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:53:33,574 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:33,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-02 12:53:33,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-12-02 12:53:33,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:33,974 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:53:33,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:53:33,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1997671237, now seen corresponding path program 1 times [2024-12-02 12:53:33,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:53:33,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963910846] [2024-12-02 12:53:33,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:53:33,975 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 12:53:33,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:53:33,977 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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 12:53:33,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15812b8-250a-424e-8743-d2e2275d1895/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