./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.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_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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_6868f8c1-eded-4aa7-be69-78601e072beb/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 1ba7c929f0e6efd0a397d94adaa69f0d7bd63f2d787023196b790a71b229b8df --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:37:53,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:37:53,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:37:53,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:37:53,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:37:53,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:37:53,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:37:53,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:37:53,401 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:37:53,401 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:37:53,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:37:53,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:37:53,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:37:53,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:37:53,402 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:37:53,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:37:53,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:37:53,403 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:37:53,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:37:53,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:37:53,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:37:53,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:37:53,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:37:53,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:37:53,403 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:37:53,403 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:37:53,404 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:37:53,404 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:37:53,404 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:37:53,404 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:37:53,404 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:37:53,404 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:37:53,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:37:53,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:37:53,404 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:37:53,405 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:37:53,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:37:53,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:37:53,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:37:53,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:37:53,405 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:37:53,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:37:53,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:37:53,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:37:53,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:37:53,406 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:37:53,406 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:37:53,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:37:53,406 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_6868f8c1-eded-4aa7-be69-78601e072beb/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 -> 1ba7c929f0e6efd0a397d94adaa69f0d7bd63f2d787023196b790a71b229b8df [2024-12-02 13:37:53,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:37:53,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:37:53,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:37:53,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:37:53,655 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:37:53,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i [2024-12-02 13:37:56,294 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/data/72378628e/df34ef974e90401faa7115cfac2a1045/FLAGf5a5f619b [2024-12-02 13:37:56,511 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:37:56,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i [2024-12-02 13:37:56,518 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/data/72378628e/df34ef974e90401faa7115cfac2a1045/FLAGf5a5f619b [2024-12-02 13:37:56,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/data/72378628e/df34ef974e90401faa7115cfac2a1045 [2024-12-02 13:37:56,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:37:56,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:37:56,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:37:56,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:37:56,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:37:56,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:37:56" (1/1) ... [2024-12-02 13:37:56,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d1823b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:56, skipping insertion in model container [2024-12-02 13:37:56,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:37:56" (1/1) ... [2024-12-02 13:37:56,883 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:37:56,983 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_6868f8c1-eded-4aa7-be69-78601e072beb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i[916,929] [2024-12-02 13:37:57,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:37:57,040 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:37:57,047 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_6868f8c1-eded-4aa7-be69-78601e072beb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i[916,929] [2024-12-02 13:37:57,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:37:57,098 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:37:57,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:57 WrapperNode [2024-12-02 13:37:57,099 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:37:57,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:37:57,100 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:37:57,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:37:57,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:57" (1/1) ... [2024-12-02 13:37:57,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:57" (1/1) ... [2024-12-02 13:37:57,144 INFO L138 Inliner]: procedures = 30, calls = 163, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 513 [2024-12-02 13:37:57,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:37:57,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:37:57,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:37:57,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:37:57,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:57" (1/1) ... [2024-12-02 13:37:57,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:57" (1/1) ... [2024-12-02 13:37:57,157 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:57" (1/1) ... [2024-12-02 13:37:57,163 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-12-02 13:37:57,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:57" (1/1) ... [2024-12-02 13:37:57,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:57" (1/1) ... [2024-12-02 13:37:57,181 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:57" (1/1) ... [2024-12-02 13:37:57,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:57" (1/1) ... [2024-12-02 13:37:57,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:57" (1/1) ... [2024-12-02 13:37:57,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:57" (1/1) ... [2024-12-02 13:37:57,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:57" (1/1) ... [2024-12-02 13:37:57,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:37:57,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:37:57,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:37:57,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:37:57,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:57" (1/1) ... [2024-12-02 13:37:57,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:37:57,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:37:57,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:37:57,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:37:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:37:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-02 13:37:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-12-02 13:37:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 13:37:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-12-02 13:37:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-12-02 13:37:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 13:37:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:37:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:37:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 13:37:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:37:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:37:57,342 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:37:57,343 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:37:57,839 INFO L? ?]: Removed 133 outVars from TransFormulas that were not future-live. [2024-12-02 13:37:57,839 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:37:57,849 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:37:57,849 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:37:57,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:37:57 BoogieIcfgContainer [2024-12-02 13:37:57,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:37:57,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:37:57,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:37:57,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:37:57,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:37:56" (1/3) ... [2024-12-02 13:37:57,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ed5695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:37:57, skipping insertion in model container [2024-12-02 13:37:57,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:57" (2/3) ... [2024-12-02 13:37:57,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ed5695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:37:57, skipping insertion in model container [2024-12-02 13:37:57,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:37:57" (3/3) ... [2024-12-02 13:37:57,859 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-98.i [2024-12-02 13:37:57,869 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:37:57,871 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-98.i that has 2 procedures, 123 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:37:57,915 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:37:57,925 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;@5dec216f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:37:57,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:37:57,937 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 104 states have internal predecessors, (147), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:37:57,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:37:57,948 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:57,949 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:37:57,949 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:57,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:57,955 INFO L85 PathProgramCache]: Analyzing trace with hash -137568608, now seen corresponding path program 1 times [2024-12-02 13:37:57,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:37:57,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528770908] [2024-12-02 13:37:57,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:57,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:37:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:58,269 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 13:37:58,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:37:58,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528770908] [2024-12-02 13:37:58,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528770908] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:58,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578028927] [2024-12-02 13:37:58,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:58,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:37:58,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:37:58,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:37:58,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:37:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:58,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:37:58,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 13:37:58,544 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:58,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578028927] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:58,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:58,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:37:58,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012503289] [2024-12-02 13:37:58,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:58,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:37:58,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:37:58,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:37:58,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:37:58,569 INFO L87 Difference]: Start difference. First operand has 123 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 104 states have internal predecessors, (147), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:37:58,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:58,592 INFO L93 Difference]: Finished difference Result 239 states and 373 transitions. [2024-12-02 13:37:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:37:58,593 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-12-02 13:37:58,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:58,598 INFO L225 Difference]: With dead ends: 239 [2024-12-02 13:37:58,599 INFO L226 Difference]: Without dead ends: 119 [2024-12-02 13:37:58,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 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 13:37:58,604 INFO L435 NwaCegarLoop]: 174 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, 174 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 13:37:58,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:37:58,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-12-02 13:37:58,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-12-02 13:37:58,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 100 states have (on average 1.4) internal successors, (140), 100 states have internal predecessors, (140), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:37:58,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2024-12-02 13:37:58,635 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 143 [2024-12-02 13:37:58,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:58,635 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2024-12-02 13:37:58,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:37:58,636 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2024-12-02 13:37:58,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:37:58,637 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:58,638 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:37:58,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-12-02 13:37:58,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 13:37:58,838 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:58,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:58,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1966018294, now seen corresponding path program 1 times [2024-12-02 13:37:58,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:37:58,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633758915] [2024-12-02 13:37:58,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:58,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:37:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:59,116 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:59,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:37:59,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633758915] [2024-12-02 13:37:59,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633758915] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:59,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:59,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:37:59,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54352022] [2024-12-02 13:37:59,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:59,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:37:59,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:37:59,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:37:59,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:37:59,119 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:37:59,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:59,161 INFO L93 Difference]: Finished difference Result 237 states and 348 transitions. [2024-12-02 13:37:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:37:59,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-12-02 13:37:59,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:59,163 INFO L225 Difference]: With dead ends: 237 [2024-12-02 13:37:59,163 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 13:37:59,164 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 13:37:59,165 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:59,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 505 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:37:59,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 13:37:59,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-12-02 13:37:59,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 102 states have (on average 1.392156862745098) internal successors, (142), 102 states have internal predecessors, (142), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:37:59,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 176 transitions. [2024-12-02 13:37:59,176 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 176 transitions. Word has length 143 [2024-12-02 13:37:59,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:59,178 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 176 transitions. [2024-12-02 13:37:59,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:37:59,178 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 176 transitions. [2024-12-02 13:37:59,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:37:59,180 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:59,180 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:37:59,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:37:59,181 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:59,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:59,181 INFO L85 PathProgramCache]: Analyzing trace with hash -908180216, now seen corresponding path program 1 times [2024-12-02 13:37:59,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:37:59,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873635450] [2024-12-02 13:37:59,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:59,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:37:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 13:37:59,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1646011612] [2024-12-02 13:37:59,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:59,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:37:59,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:37:59,371 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:37:59,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:38:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:38:00,396 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:38:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:38:01,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:38:01,050 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:38:01,051 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:38:01,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:38:01,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:38:01,255 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 13:38:01,299 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:38:01,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:38:01 BoogieIcfgContainer [2024-12-02 13:38:01,302 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:38:01,303 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:38:01,303 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:38:01,303 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:38:01,304 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:37:57" (3/4) ... [2024-12-02 13:38:01,306 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:38:01,307 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:38:01,307 INFO L158 Benchmark]: Toolchain (without parser) took 4443.06ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 46.3MB in the end (delta: 70.2MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2024-12-02 13:38:01,308 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:38:01,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.07ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 99.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:38:01,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.33ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 96.2MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:38:01,308 INFO L158 Benchmark]: Boogie Preprocessor took 49.06ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 93.0MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:38:01,309 INFO L158 Benchmark]: RCFGBuilder took 654.99ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 59.8MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 13:38:01,309 INFO L158 Benchmark]: TraceAbstraction took 3450.49ms. Allocated memory is still 142.6MB. Free memory was 59.3MB in the beginning and 46.3MB in the end (delta: 13.0MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. [2024-12-02 13:38:01,309 INFO L158 Benchmark]: Witness Printer took 3.64ms. Allocated memory is still 142.6MB. Free memory was 46.3MB in the beginning and 46.3MB in the end (delta: 10.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:38:01,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.07ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 99.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.33ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 96.2MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.06ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 93.0MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 654.99ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 59.8MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3450.49ms. Allocated memory is still 142.6MB. Free memory was 59.3MB in the beginning and 46.3MB in the end (delta: 13.0MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. * Witness Printer took 3.64ms. Allocated memory is still 142.6MB. Free memory was 46.3MB in the beginning and 46.3MB in the end (delta: 10.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 117, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 96. Possible FailurePath: [L39] unsigned char isInitial = 0; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 4.8, 63.5, 9999999.5, 0.6, 10, -1, 4.4, 7.25, 7.5, 2.3, 128, 0, 4078799264, 500, 25 }; [L57] unsigned long int last_1_WrapperStruct00_var_1_15 = 500; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_15=500] [L121] isInitial = 1 [L122] FCALL initially() [L124] CALL updateLastVariables() [L114] EXPR WrapperStruct00.var_1_15 [L114] last_1_WrapperStruct00_var_1_15 = WrapperStruct00.var_1_15 [L124] RET updateLastVariables() [L125] CALL updateVariables() [L84] WrapperStruct00.var_1_2 = __VERIFIER_nondet_double() [L85] EXPR WrapperStruct00.var_1_2 [L85] EXPR WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F [L85] EXPR WrapperStruct00.var_1_2 [L85] EXPR WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L85] EXPR (WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L85] CALL assume_abort_if_not((WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L85] RET assume_abort_if_not((WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L86] WrapperStruct00.var_1_3 = __VERIFIER_nondet_double() [L87] EXPR WrapperStruct00.var_1_3 [L87] EXPR WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F [L87] EXPR WrapperStruct00.var_1_3 [L87] EXPR WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L87] EXPR (WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L87] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L87] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L88] WrapperStruct00.var_1_6 = __VERIFIER_nondet_short() [L89] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L90] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 32) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 32) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L91] WrapperStruct00.var_1_7 = __VERIFIER_nondet_long() [L92] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= -2147483648) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= -2147483648) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L93] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L94] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_7 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_7 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L95] WrapperStruct00.var_1_8 = __VERIFIER_nondet_double() [L96] EXPR WrapperStruct00.var_1_8 [L96] EXPR WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F [L96] EXPR WrapperStruct00.var_1_8 [L96] EXPR WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L96] EXPR (WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L96] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L96] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L97] WrapperStruct00.var_1_9 = __VERIFIER_nondet_double() [L98] EXPR WrapperStruct00.var_1_9 [L98] EXPR WrapperStruct00.var_1_9 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L98] EXPR WrapperStruct00.var_1_9 [L98] EXPR WrapperStruct00.var_1_9 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L98] EXPR (WrapperStruct00.var_1_9 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L98] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L98] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L99] WrapperStruct00.var_1_10 = __VERIFIER_nondet_double() [L100] EXPR WrapperStruct00.var_1_10 [L100] EXPR WrapperStruct00.var_1_10 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L100] EXPR WrapperStruct00.var_1_10 [L100] EXPR WrapperStruct00.var_1_10 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L100] EXPR (WrapperStruct00.var_1_10 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L100] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L100] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L101] WrapperStruct00.var_1_11 = __VERIFIER_nondet_double() [L102] EXPR WrapperStruct00.var_1_11 [L102] EXPR WrapperStruct00.var_1_11 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F [L102] EXPR WrapperStruct00.var_1_11 [L102] EXPR WrapperStruct00.var_1_11 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L102] EXPR (WrapperStruct00.var_1_11 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L102] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L102] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L103] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ulong() [L104] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L105] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 4294967294) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L106] WrapperStruct00.var_1_14 = __VERIFIER_nondet_ulong() [L107] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L108] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 4294967294) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L108] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L109] WrapperStruct00.var_1_16 = __VERIFIER_nondet_ulong() [L110] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L111] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L111] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L125] RET updateVariables() [L126] CALL step() [L61] EXPR WrapperStruct00.var_1_2 [L61] EXPR WrapperStruct00.var_1_3 [L61] WrapperStruct00.var_1_1 = (WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) [L62] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L62] COND FALSE !(((((-128) < (last_1_WrapperStruct00_var_1_15)) ? (-128) : (last_1_WrapperStruct00_var_1_15))) < WrapperStruct00.var_1_13) [L69] EXPR WrapperStruct00.var_1_16 [L69] WrapperStruct00.var_1_15 = WrapperStruct00.var_1_16 [L71] EXPR WrapperStruct00.var_1_15 [L71] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L71] EXPR WrapperStruct00.var_1_15 >> WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L71] EXPR WrapperStruct00.var_1_7 [L71] unsigned long int stepLocal_0 = (WrapperStruct00.var_1_15 >> WrapperStruct00.var_1_6) / WrapperStruct00.var_1_7; [L72] COND FALSE !(8 < stepLocal_0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L75] EXPR WrapperStruct00.var_1_2 [L75] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L75] COND FALSE !(WrapperStruct00.var_1_2 < WrapperStruct00.var_1_8) [L126] RET step() [L127] CALL, EXPR property() [L117] EXPR WrapperStruct00.var_1_1 [L117] EXPR WrapperStruct00.var_1_2 [L117] EXPR WrapperStruct00.var_1_3 [L117] EXPR (WrapperStruct00.var_1_1 == ((double) (WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3))) && ((8 < ((WrapperStruct00.var_1_15 >> WrapperStruct00.var_1_6) / WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_4 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + ((((WrapperStruct00.var_1_10) < (1.9)) ? (WrapperStruct00.var_1_10) : (1.9)))) + (99.125 + WrapperStruct00.var_1_11)))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L117] EXPR ((WrapperStruct00.var_1_1 == ((double) (WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3))) && ((8 < ((WrapperStruct00.var_1_15 >> WrapperStruct00.var_1_6) / WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_4 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + ((((WrapperStruct00.var_1_10) < (1.9)) ? (WrapperStruct00.var_1_10) : (1.9)))) + (99.125 + WrapperStruct00.var_1_11)))) : 1)) && ((WrapperStruct00.var_1_2 < WrapperStruct00.var_1_8) ? ((((- WrapperStruct00.var_1_15) <= WrapperStruct00.var_1_6) || (WrapperStruct00.var_1_4 < WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_12 == ((unsigned long int) ((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_12 == ((unsigned long int) (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_6)))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L117] EXPR (((WrapperStruct00.var_1_1 == ((double) (WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3))) && ((8 < ((WrapperStruct00.var_1_15 >> WrapperStruct00.var_1_6) / WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_4 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + ((((WrapperStruct00.var_1_10) < (1.9)) ? (WrapperStruct00.var_1_10) : (1.9)))) + (99.125 + WrapperStruct00.var_1_11)))) : 1)) && ((WrapperStruct00.var_1_2 < WrapperStruct00.var_1_8) ? ((((- WrapperStruct00.var_1_15) <= WrapperStruct00.var_1_6) || (WrapperStruct00.var_1_4 < WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_12 == ((unsigned long int) ((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_12 == ((unsigned long int) (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_6)))) : 1)) && ((((((-128) < (last_1_WrapperStruct00_var_1_15)) ? (-128) : (last_1_WrapperStruct00_var_1_15))) < WrapperStruct00.var_1_13) ? ((last_1_WrapperStruct00_var_1_15 > WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_15 == ((unsigned long int) (WrapperStruct00.var_1_6 + WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_15 == ((unsigned long int) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_15 == ((unsigned long int) WrapperStruct00.var_1_16))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L117-L118] return (((WrapperStruct00.var_1_1 == ((double) (WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3))) && ((8 < ((WrapperStruct00.var_1_15 >> WrapperStruct00.var_1_6) / WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_4 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + ((((WrapperStruct00.var_1_10) < (1.9)) ? (WrapperStruct00.var_1_10) : (1.9)))) + (99.125 + WrapperStruct00.var_1_11)))) : 1)) && ((WrapperStruct00.var_1_2 < WrapperStruct00.var_1_8) ? ((((- WrapperStruct00.var_1_15) <= WrapperStruct00.var_1_6) || (WrapperStruct00.var_1_4 < WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_12 == ((unsigned long int) ((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_12 == ((unsigned long int) (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_6)))) : 1)) && ((((((-128) < (last_1_WrapperStruct00_var_1_15)) ? (-128) : (last_1_WrapperStruct00_var_1_15))) < WrapperStruct00.var_1_13) ? ((last_1_WrapperStruct00_var_1_15 > WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_15 == ((unsigned long int) (WrapperStruct00.var_1_6 + WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_15 == ((unsigned long int) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_15 == ((unsigned long int) WrapperStruct00.var_1_16))) ; [L127] RET, EXPR property() [L127] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 123 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 3, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 679 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 333 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 346 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 715 NumberOfCodeBlocks, 715 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 426 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 496 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1600/1632 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 13:38:01,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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_6868f8c1-eded-4aa7-be69-78601e072beb/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 1ba7c929f0e6efd0a397d94adaa69f0d7bd63f2d787023196b790a71b229b8df --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:38:03,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:38:03,252 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 13:38:03,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:38:03,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:38:03,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:38:03,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:38:03,279 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:38:03,279 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:38:03,280 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:38:03,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:38:03,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:38:03,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:38:03,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:38:03,280 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:38:03,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:38:03,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:38:03,281 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:38:03,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:38:03,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:38:03,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:38:03,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:38:03,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:38:03,281 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:38:03,281 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:38:03,281 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:38:03,281 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:38:03,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:38:03,282 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:38:03,282 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:38:03,282 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:38:03,282 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:38:03,282 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:38:03,282 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:38:03,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:38:03,282 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:38:03,282 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:38:03,282 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:38:03,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:38:03,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:38:03,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:38:03,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:38:03,283 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:38:03,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:38:03,283 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:38:03,283 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:38:03,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:38:03,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:38:03,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:38:03,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:38:03,284 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_6868f8c1-eded-4aa7-be69-78601e072beb/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 -> 1ba7c929f0e6efd0a397d94adaa69f0d7bd63f2d787023196b790a71b229b8df [2024-12-02 13:38:03,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:38:03,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:38:03,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:38:03,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:38:03,506 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:38:03,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i [2024-12-02 13:38:06,196 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/data/fc6ba692c/3233392a48264b37a4d0271d6bba36a9/FLAGf561b4975 [2024-12-02 13:38:06,375 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:38:06,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i [2024-12-02 13:38:06,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/data/fc6ba692c/3233392a48264b37a4d0271d6bba36a9/FLAGf561b4975 [2024-12-02 13:38:06,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/data/fc6ba692c/3233392a48264b37a4d0271d6bba36a9 [2024-12-02 13:38:06,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:38:06,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:38:06,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:38:06,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:38:06,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:38:06,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:38:06" (1/1) ... [2024-12-02 13:38:06,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a006e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06, skipping insertion in model container [2024-12-02 13:38:06,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:38:06" (1/1) ... [2024-12-02 13:38:06,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:38:06,544 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_6868f8c1-eded-4aa7-be69-78601e072beb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i[916,929] [2024-12-02 13:38:06,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:38:06,601 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:38:06,609 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_6868f8c1-eded-4aa7-be69-78601e072beb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i[916,929] [2024-12-02 13:38:06,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:38:06,669 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:38:06,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06 WrapperNode [2024-12-02 13:38:06,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:38:06,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:38:06,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:38:06,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:38:06,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06" (1/1) ... [2024-12-02 13:38:06,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06" (1/1) ... [2024-12-02 13:38:06,720 INFO L138 Inliner]: procedures = 36, calls = 163, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 497 [2024-12-02 13:38:06,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:38:06,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:38:06,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:38:06,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:38:06,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06" (1/1) ... [2024-12-02 13:38:06,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06" (1/1) ... [2024-12-02 13:38:06,735 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06" (1/1) ... [2024-12-02 13:38:06,754 INFO L175 MemorySlicer]: Split 135 memory accesses to 2 slices as follows [2, 133]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 34 writes are split as follows [0, 34]. [2024-12-02 13:38:06,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06" (1/1) ... [2024-12-02 13:38:06,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06" (1/1) ... [2024-12-02 13:38:06,775 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06" (1/1) ... [2024-12-02 13:38:06,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06" (1/1) ... [2024-12-02 13:38:06,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06" (1/1) ... [2024-12-02 13:38:06,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06" (1/1) ... [2024-12-02 13:38:06,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06" (1/1) ... [2024-12-02 13:38:06,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:38:06,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:38:06,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:38:06,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:38:06,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06" (1/1) ... [2024-12-02 13:38:06,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:38:06,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:38:06,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:38:06,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:38:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:38:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 13:38:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 13:38:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-12-02 13:38:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-12-02 13:38:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 13:38:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 13:38:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:38:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 13:38:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 13:38:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 13:38:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 13:38:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 13:38:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-12-02 13:38:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-12-02 13:38:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-12-02 13:38:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-12-02 13:38:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:38:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:38:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:38:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:38:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 13:38:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 13:38:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 13:38:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 13:38:06,960 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:38:06,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:38:19,883 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-12-02 13:38:19,884 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:38:19,894 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:38:19,894 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:38:19,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:38:19 BoogieIcfgContainer [2024-12-02 13:38:19,894 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:38:19,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:38:19,896 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:38:19,899 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:38:19,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:38:06" (1/3) ... [2024-12-02 13:38:19,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7a0b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:38:19, skipping insertion in model container [2024-12-02 13:38:19,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:06" (2/3) ... [2024-12-02 13:38:19,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7a0b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:38:19, skipping insertion in model container [2024-12-02 13:38:19,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:38:19" (3/3) ... [2024-12-02 13:38:19,901 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-98.i [2024-12-02 13:38:19,910 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:38:19,911 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-98.i that has 2 procedures, 117 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:38:19,949 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:38:19,959 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;@2aba4752, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:38:19,959 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:38:19,963 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 97 states have (on average 1.4329896907216495) internal successors, (139), 98 states have internal predecessors, (139), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:38:19,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 13:38:19,972 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:19,972 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:19,973 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:19,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:19,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1083896104, now seen corresponding path program 1 times [2024-12-02 13:38:19,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:19,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [699785055] [2024-12-02 13:38:19,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:19,985 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 13:38:19,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:19,987 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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 13:38:19,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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 13:38:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:20,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:38:20,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:20,556 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-12-02 13:38:20,556 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:38:20,557 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:20,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [699785055] [2024-12-02 13:38:20,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [699785055] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:38:20,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:38:20,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:38:20,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143887263] [2024-12-02 13:38:20,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:20,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:38:20,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:20,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:38:20,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:38:20,582 INFO L87 Difference]: Start difference. First operand has 117 states, 97 states have (on average 1.4329896907216495) internal successors, (139), 98 states have internal predecessors, (139), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:38:20,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:20,609 INFO L93 Difference]: Finished difference Result 227 states and 357 transitions. [2024-12-02 13:38:20,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:38:20,611 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 141 [2024-12-02 13:38:20,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:20,615 INFO L225 Difference]: With dead ends: 227 [2024-12-02 13:38:20,616 INFO L226 Difference]: Without dead ends: 113 [2024-12-02 13:38:20,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 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 13:38:20,620 INFO L435 NwaCegarLoop]: 166 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, 166 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 13:38:20,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:38:20,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-12-02 13:38:20,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-12-02 13:38:20,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 94 states have (on average 1.4042553191489362) internal successors, (132), 94 states have internal predecessors, (132), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:38:20,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2024-12-02 13:38:20,661 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 141 [2024-12-02 13:38:20,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:20,661 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2024-12-02 13:38:20,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:38:20,662 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2024-12-02 13:38:20,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 13:38:20,664 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:20,665 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:20,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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 13:38:20,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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 13:38:20,865 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:20,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:20,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1572949054, now seen corresponding path program 1 times [2024-12-02 13:38:20,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:20,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [362091151] [2024-12-02 13:38:20,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:20,867 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 13:38:20,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:20,869 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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 13:38:20,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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 13:38:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:21,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:38:21,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:21,637 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:38:21,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-12-02 13:38:21,723 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:38:21,723 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:38:21,723 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:21,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [362091151] [2024-12-02 13:38:21,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [362091151] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:38:21,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:38:21,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:38:21,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117327511] [2024-12-02 13:38:21,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:21,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:38:21,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:21,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:38:21,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:38:21,726 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:38:24,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:38:28,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:38:32,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:38:32,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:32,980 INFO L93 Difference]: Finished difference Result 224 states and 330 transitions. [2024-12-02 13:38:32,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:38:32,982 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), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-12-02 13:38:32,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:32,982 INFO L225 Difference]: With dead ends: 224 [2024-12-02 13:38:32,982 INFO L226 Difference]: Without dead ends: 114 [2024-12-02 13:38:32,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:38:32,983 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 161 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:32,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 448 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2024-12-02 13:38:32,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-12-02 13:38:32,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2024-12-02 13:38:32,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 94 states have internal predecessors, (131), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:38:32,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2024-12-02 13:38:32,994 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 141 [2024-12-02 13:38:32,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:32,994 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2024-12-02 13:38:32,994 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), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:38:32,994 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2024-12-02 13:38:32,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:38:32,996 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:32,997 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:33,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 13:38:33,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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 13:38:33,197 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:33,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:33,198 INFO L85 PathProgramCache]: Analyzing trace with hash 117868476, now seen corresponding path program 1 times [2024-12-02 13:38:33,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:33,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709806936] [2024-12-02 13:38:33,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:33,199 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 13:38:33,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:33,200 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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 13:38:33,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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 13:38:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:33,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:38:33,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:33,865 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:38:33,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-12-02 13:38:33,931 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 13:38:33,932 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:38:33,932 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:33,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709806936] [2024-12-02 13:38:33,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709806936] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:38:33,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:38:33,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:38:33,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308732197] [2024-12-02 13:38:33,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:33,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:38:33,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:33,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:38:33,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:38:33,934 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:38:37,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:38:43,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:38:45,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:38:48,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:38:49,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:49,114 INFO L93 Difference]: Finished difference Result 224 states and 328 transitions. [2024-12-02 13:38:49,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:38:49,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-12-02 13:38:49,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:49,115 INFO L225 Difference]: With dead ends: 224 [2024-12-02 13:38:49,116 INFO L226 Difference]: Without dead ends: 114 [2024-12-02 13:38:49,116 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:38:49,116 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 148 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:49,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 442 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2024-12-02 13:38:49,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-12-02 13:38:49,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2024-12-02 13:38:49,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 94 states have internal predecessors, (130), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:38:49,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 164 transitions. [2024-12-02 13:38:49,122 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 164 transitions. Word has length 143 [2024-12-02 13:38:49,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:49,123 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 164 transitions. [2024-12-02 13:38:49,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:38:49,123 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 164 transitions. [2024-12-02 13:38:49,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 13:38:49,124 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:49,124 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:49,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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 13:38:49,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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 13:38:49,325 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:49,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:49,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1814018, now seen corresponding path program 1 times [2024-12-02 13:38:49,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:49,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53088193] [2024-12-02 13:38:49,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:49,326 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 13:38:49,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:49,327 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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 13:38:49,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/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 13:46:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:46:08,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-02 13:46:08,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:46:08,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2024-12-02 13:46:10,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:46:10,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 151 treesize of output 85 [2024-12-02 13:46:19,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:46:19,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 170 treesize of output 91 [2024-12-02 13:46:21,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:46:21,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 170 treesize of output 91 [2024-12-02 13:46:22,993 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:46:22,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 181 treesize of output 91 [2024-12-02 13:46:23,893 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:46:23,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 171 treesize of output 111 [2024-12-02 13:46:29,460 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:46:29,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 117 [2024-12-02 13:46:34,969 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:46:34,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 137 [2024-12-02 13:46:44,804 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:46:44,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 210 treesize of output 143 [2024-12-02 13:46:54,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:46:54,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 210 treesize of output 143 [2024-12-02 13:47:05,180 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:47:05,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 210 treesize of output 143 [2024-12-02 13:47:15,416 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:47:15,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 317 treesize of output 197 [2024-12-02 13:47:26,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:47:26,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 118 treesize of output 129 [2024-12-02 13:47:40,749 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:47:40,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 394 treesize of output 132 [2024-12-02 13:47:45,567 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 306 proven. 90 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-02 13:47:45,567 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:48:04,491 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:48:04,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53088193] [2024-12-02 13:48:04,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53088193] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:48:04,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1421295831] [2024-12-02 13:48:04,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:48:04,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:48:04,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:48:04,503 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:48:04,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6868f8c1-eded-4aa7-be69-78601e072beb/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process