./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.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_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a7298dd3af0d9101e678a75f8643535906386a3d9e43aefb3c84d3566870e8d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:15:24,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:15:24,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:15:24,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:15:24,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:15:24,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:15:24,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:15:24,479 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:15:24,479 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:15:24,479 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:15:24,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:15:24,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:15:24,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:15:24,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:15:24,481 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:15:24,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:15:24,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:15:24,481 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:15:24,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:15:24,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:15:24,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:15:24,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:15:24,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:15:24,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:15:24,483 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:15:24,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:15:24,483 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:15:24,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:15:24,483 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:15:24,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:15:24,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:15:24,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:15:24,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:15:24,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:15:24,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:15:24,485 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:15:24,485 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:15:24,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:15:24,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:15:24,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:15:24,486 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:15:24,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:15:24,486 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:15:24,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:15:24,486 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:15:24,486 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:15:24,486 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:15:24,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:15:24,487 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_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a7298dd3af0d9101e678a75f8643535906386a3d9e43aefb3c84d3566870e8d [2024-11-28 02:15:24,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:15:24,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:15:24,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:15:24,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:15:24,897 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:15:24,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i [2024-11-28 02:15:28,440 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/data/4811757df/2771ee5a2e804f36b65d9413fc1ae913/FLAG4036d6a9e [2024-11-28 02:15:28,794 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:15:28,796 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i [2024-11-28 02:15:28,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/data/4811757df/2771ee5a2e804f36b65d9413fc1ae913/FLAG4036d6a9e [2024-11-28 02:15:28,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/data/4811757df/2771ee5a2e804f36b65d9413fc1ae913 [2024-11-28 02:15:28,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:15:28,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:15:28,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:15:28,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:15:28,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:15:28,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:15:28" (1/1) ... [2024-11-28 02:15:28,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bbec48f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:28, skipping insertion in model container [2024-11-28 02:15:28,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:15:28" (1/1) ... [2024-11-28 02:15:28,891 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:15:29,119 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_c76430b6-1a7f-4656-9582-555aef88d7df/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i[916,929] [2024-11-28 02:15:29,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:15:29,263 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:15:29,277 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_c76430b6-1a7f-4656-9582-555aef88d7df/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i[916,929] [2024-11-28 02:15:29,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:15:29,372 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:15:29,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:29 WrapperNode [2024-11-28 02:15:29,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:15:29,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:15:29,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:15:29,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:15:29,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:29" (1/1) ... [2024-11-28 02:15:29,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:29" (1/1) ... [2024-11-28 02:15:29,446 INFO L138 Inliner]: procedures = 30, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 488 [2024-11-28 02:15:29,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:15:29,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:15:29,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:15:29,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:15:29,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:29" (1/1) ... [2024-11-28 02:15:29,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:29" (1/1) ... [2024-11-28 02:15:29,466 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:29" (1/1) ... [2024-11-28 02:15:29,474 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-28 02:15:29,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:29" (1/1) ... [2024-11-28 02:15:29,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:29" (1/1) ... [2024-11-28 02:15:29,500 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:29" (1/1) ... [2024-11-28 02:15:29,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:29" (1/1) ... [2024-11-28 02:15:29,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:29" (1/1) ... [2024-11-28 02:15:29,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:29" (1/1) ... [2024-11-28 02:15:29,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:29" (1/1) ... [2024-11-28 02:15:29,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:15:29,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:15:29,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:15:29,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:15:29,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:29" (1/1) ... [2024-11-28 02:15:29,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:15:29,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:15:29,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:15:29,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:15:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:15:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-28 02:15:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-28 02:15:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 02:15:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-28 02:15:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-28 02:15:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 02:15:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:15:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:15:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:15:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:15:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:15:29,780 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:15:29,784 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:15:30,715 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-28 02:15:30,715 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:15:30,734 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:15:30,735 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:15:30,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:15:30 BoogieIcfgContainer [2024-11-28 02:15:30,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:15:30,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:15:30,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:15:30,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:15:30,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:15:28" (1/3) ... [2024-11-28 02:15:30,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37dfd2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:15:30, skipping insertion in model container [2024-11-28 02:15:30,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:29" (2/3) ... [2024-11-28 02:15:30,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37dfd2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:15:30, skipping insertion in model container [2024-11-28 02:15:30,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:15:30" (3/3) ... [2024-11-28 02:15:30,748 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-20.i [2024-11-28 02:15:30,767 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:15:30,769 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-20.i that has 2 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:15:30,846 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:15:30,865 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;@291e37da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:15:30,865 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:15:30,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:15:30,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 02:15:30,892 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:15:30,893 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:15:30,893 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:15:30,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:15:30,902 INFO L85 PathProgramCache]: Analyzing trace with hash -2134393421, now seen corresponding path program 1 times [2024-11-28 02:15:30,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:15:30,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324122941] [2024-11-28 02:15:30,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:30,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:15:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:15:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-28 02:15:31,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:15:31,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324122941] [2024-11-28 02:15:31,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324122941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:15:31,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361557601] [2024-11-28 02:15:31,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:31,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:15:31,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:15:31,492 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:15:31,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:15:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:15:31,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:15:31,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:15:31,999 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-28 02:15:31,999 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:15:31,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361557601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:15:31,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:15:32,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:15:32,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480685399] [2024-11-28 02:15:32,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:15:32,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:15:32,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:15:32,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:15:32,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:15:32,035 INFO L87 Difference]: Start difference. First operand has 113 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:15:32,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:15:32,083 INFO L93 Difference]: Finished difference Result 219 states and 347 transitions. [2024-11-28 02:15:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:15:32,087 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-28 02:15:32,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:15:32,099 INFO L225 Difference]: With dead ends: 219 [2024-11-28 02:15:32,099 INFO L226 Difference]: Without dead ends: 109 [2024-11-28 02:15:32,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:15:32,111 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:15:32,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:15:32,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-28 02:15:32,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-28 02:15:32,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:15:32,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2024-11-28 02:15:32,188 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 152 [2024-11-28 02:15:32,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:15:32,189 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2024-11-28 02:15:32,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:15:32,191 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2024-11-28 02:15:32,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 02:15:32,194 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:15:32,194 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:15:32,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:15:32,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:15:32,395 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:15:32,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:15:32,396 INFO L85 PathProgramCache]: Analyzing trace with hash 594603229, now seen corresponding path program 1 times [2024-11-28 02:15:32,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:15:32,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807531871] [2024-11-28 02:15:32,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:32,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:15:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:15:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 02:15:33,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:15:33,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807531871] [2024-11-28 02:15:33,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807531871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:15:33,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:15:33,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:15:33,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717419651] [2024-11-28 02:15:33,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:15:33,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:15:33,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:15:33,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:15:33,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:15:33,094 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:15:33,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:15:33,176 INFO L93 Difference]: Finished difference Result 217 states and 312 transitions. [2024-11-28 02:15:33,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:15:33,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-28 02:15:33,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:15:33,183 INFO L225 Difference]: With dead ends: 217 [2024-11-28 02:15:33,183 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 02:15:33,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:15:33,185 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 451 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 [2024-11-28 02:15:33,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 451 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:15:33,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 02:15:33,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-28 02:15:33,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:15:33,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 158 transitions. [2024-11-28 02:15:33,214 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 158 transitions. Word has length 152 [2024-11-28 02:15:33,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:15:33,216 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 158 transitions. [2024-11-28 02:15:33,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:15:33,216 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2024-11-28 02:15:33,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 02:15:33,222 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:15:33,223 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:15:33,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:15:33,223 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:15:33,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:15:33,226 INFO L85 PathProgramCache]: Analyzing trace with hash -436437669, now seen corresponding path program 1 times [2024-11-28 02:15:33,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:15:33,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518913944] [2024-11-28 02:15:33,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:33,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:15:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:15:38,025 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 02:15:38,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:15:38,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518913944] [2024-11-28 02:15:38,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518913944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:15:38,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:15:38,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:15:38,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585312396] [2024-11-28 02:15:38,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:15:38,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:15:38,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:15:38,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:15:38,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:15:38,029 INFO L87 Difference]: Start difference. First operand 111 states and 158 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:15:38,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:15:38,796 INFO L93 Difference]: Finished difference Result 256 states and 363 transitions. [2024-11-28 02:15:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:15:38,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-28 02:15:38,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:15:38,799 INFO L225 Difference]: With dead ends: 256 [2024-11-28 02:15:38,799 INFO L226 Difference]: Without dead ends: 148 [2024-11-28 02:15:38,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:15:38,807 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 42 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:15:38,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 509 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:15:38,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-28 02:15:38,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 122. [2024-11-28 02:15:38,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3366336633663367) internal successors, (135), 101 states have internal predecessors, (135), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:15:38,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 173 transitions. [2024-11-28 02:15:38,826 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 173 transitions. Word has length 152 [2024-11-28 02:15:38,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:15:38,826 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 173 transitions. [2024-11-28 02:15:38,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:15:38,827 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2024-11-28 02:15:38,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 02:15:38,830 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:15:38,830 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:15:38,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:15:38,831 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:15:38,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:15:38,832 INFO L85 PathProgramCache]: Analyzing trace with hash 264626909, now seen corresponding path program 1 times [2024-11-28 02:15:38,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:15:38,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966898093] [2024-11-28 02:15:38,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:38,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:15:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:15:39,120 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:15:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:15:39,343 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:15:39,344 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:15:39,345 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:15:39,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:15:39,351 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 02:15:39,424 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:15:39,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:15:39 BoogieIcfgContainer [2024-11-28 02:15:39,430 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:15:39,432 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:15:39,432 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:15:39,432 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:15:39,433 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:15:30" (3/4) ... [2024-11-28 02:15:39,436 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:15:39,437 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:15:39,438 INFO L158 Benchmark]: Toolchain (without parser) took 10589.73ms. Allocated memory was 142.6MB in the beginning and 251.7MB in the end (delta: 109.1MB). Free memory was 117.0MB in the beginning and 171.7MB in the end (delta: -54.7MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-11-28 02:15:39,439 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:15:39,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.90ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 99.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:15:39,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.63ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 95.9MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:15:39,443 INFO L158 Benchmark]: Boogie Preprocessor took 71.79ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 92.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:15:39,443 INFO L158 Benchmark]: RCFGBuilder took 1215.51ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 61.9MB in the end (delta: 30.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 02:15:39,444 INFO L158 Benchmark]: TraceAbstraction took 8691.77ms. Allocated memory was 142.6MB in the beginning and 251.7MB in the end (delta: 109.1MB). Free memory was 61.4MB in the beginning and 171.8MB in the end (delta: -110.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:15:39,444 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 251.7MB. Free memory was 171.8MB in the beginning and 171.7MB in the end (delta: 51.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:15:39,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.90ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 99.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.63ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 95.9MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.79ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 92.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1215.51ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 61.9MB in the end (delta: 30.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8691.77ms. Allocated memory was 142.6MB in the beginning and 251.7MB in the end (delta: 109.1MB). Free memory was 61.4MB in the beginning and 171.8MB in the end (delta: -110.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 251.7MB. Free memory was 171.8MB in the beginning and 171.7MB in the end (delta: 51.2kB). 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 67, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 124, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 124, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 65. Possible FailurePath: [L40] unsigned char isInitial = 0; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0.6, 0, 0.0, 2.95, 8.5, 999999999999.4, 10.2, 4.6, 256, 0, 3724367395, 25, 1, 1, 128, 100 }; VAL [WrapperStruct00={4:0}, isInitial=0] [L128] isInitial = 1 [L129] FCALL initially() [L131] FCALL updateLastVariables() [L132] CALL updateVariables() [L89] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L90] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] WrapperStruct00.var_1_3 = __VERIFIER_nondet_float() [L93] EXPR WrapperStruct00.var_1_3 [L93] EXPR WrapperStruct00.var_1_3 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_3 <= -1.0e-20F [L93] EXPR WrapperStruct00.var_1_3 [L93] EXPR WrapperStruct00.var_1_3 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L93] EXPR (WrapperStruct00.var_1_3 >= 4611686.018427382800e+12F && 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] [L93] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= 4611686.018427382800e+12F && 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] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L93] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= 4611686.018427382800e+12F && 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] [L94] WrapperStruct00.var_1_4 = __VERIFIER_nondet_float() [L95] EXPR WrapperStruct00.var_1_4 [L95] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F [L95] EXPR WrapperStruct00.var_1_4 [L95] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L95] EXPR (WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L95] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] WrapperStruct00.var_1_5 = __VERIFIER_nondet_float() [L97] EXPR WrapperStruct00.var_1_5 [L97] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F [L97] EXPR WrapperStruct00.var_1_5 [L97] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L97] EXPR (WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L97] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] WrapperStruct00.var_1_6 = __VERIFIER_nondet_float() [L99] EXPR WrapperStruct00.var_1_6 [L99] EXPR WrapperStruct00.var_1_6 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F [L99] EXPR WrapperStruct00.var_1_6 [L99] EXPR WrapperStruct00.var_1_6 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L99] EXPR (WrapperStruct00.var_1_6 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L99] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] WrapperStruct00.var_1_8 = __VERIFIER_nondet_double() [L101] EXPR WrapperStruct00.var_1_8 [L101] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L101] EXPR WrapperStruct00.var_1_8 [L101] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L101] EXPR (WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L101] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L103] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] WrapperStruct00.var_1_11 = __VERIFIER_nondet_ulong() [L106] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 3221225470) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 3221225470) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 4294967294) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] WrapperStruct00.var_1_12 = __VERIFIER_nondet_ulong() [L109] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 1073741823) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ulong() [L112] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L115] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L116] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L116] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L118] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L118] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L119] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L119] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L132] RET updateVariables() [L133] CALL step() [L62] WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L62] COND FALSE !(WrapperStruct00.var_1_2) [L65] EXPR WrapperStruct00.var_1_4 [L65] EXPR WrapperStruct00.var_1_6 [L65] WrapperStruct00.var_1_1 = (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6) [L67] EXPR WrapperStruct00.var_1_4 [L67] EXPR WrapperStruct00.var_1_3 [L67] EXPR WrapperStruct00.var_1_8 [L67] WrapperStruct00.var_1_7 = ((15.5 + WrapperStruct00.var_1_4) - (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_8)) [L68] EXPR WrapperStruct00.var_1_13 [L68] unsigned long int stepLocal_2 = WrapperStruct00.var_1_13; [L69] signed long int stepLocal_1 = 5; [L70] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_1=5, stepLocal_2=7] [L70] COND FALSE !(stepLocal_1 >= WrapperStruct00.var_1_11) [L81] EXPR WrapperStruct00.var_1_2 [L81] unsigned char stepLocal_0 = WrapperStruct00.var_1_2; [L82] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=-256, stepLocal_2=7] [L82] COND TRUE WrapperStruct00.var_1_10 || stepLocal_0 [L83] EXPR WrapperStruct00.var_1_11 [L83] EXPR WrapperStruct00.var_1_14 [L83] EXPR WrapperStruct00.var_1_14 [L83] WrapperStruct00.var_1_9 = ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_14) - WrapperStruct00.var_1_14) [L133] RET step() [L134] CALL, EXPR property() [L124] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L124] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4) - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((float) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6))) [L124] EXPR WrapperStruct00.var_1_1 [L124] EXPR WrapperStruct00.var_1_4 [L124] EXPR WrapperStruct00.var_1_6 [L124] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4) - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((float) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6))) VAL [WrapperStruct00={4:0}, isInitial=1] [L124] EXPR (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4) - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((float) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6)))) && (WrapperStruct00.var_1_7 == ((double) ((15.5 + WrapperStruct00.var_1_4) - (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_8)))) [L124] EXPR WrapperStruct00.var_1_7 [L124] EXPR WrapperStruct00.var_1_4 [L124] EXPR WrapperStruct00.var_1_3 [L124] EXPR WrapperStruct00.var_1_8 [L124] EXPR (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4) - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((float) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6)))) && (WrapperStruct00.var_1_7 == ((double) ((15.5 + WrapperStruct00.var_1_4) - (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_8)))) VAL [WrapperStruct00={4:0}, isInitial=1] [L124] EXPR ((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4) - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((float) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6)))) && (WrapperStruct00.var_1_7 == ((double) ((15.5 + WrapperStruct00.var_1_4) - (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_8))))) && ((WrapperStruct00.var_1_10 || WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_9 == ((unsigned long int) ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_14) - WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_9 == ((unsigned long int) (WrapperStruct00.var_1_14 + ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14))))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L124] EXPR (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4) - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((float) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6)))) && (WrapperStruct00.var_1_7 == ((double) ((15.5 + WrapperStruct00.var_1_4) - (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_8))))) && ((WrapperStruct00.var_1_10 || WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_9 == ((unsigned long int) ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_14) - WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_9 == ((unsigned long int) (WrapperStruct00.var_1_14 + ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))))))) && ((5 >= WrapperStruct00.var_1_11) ? ((WrapperStruct00.var_1_1 >= WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_14 == ((unsigned char) (128 - 16))) : ((WrapperStruct00.var_1_13 >= ((((WrapperStruct00.var_1_12) < 0 ) ? -(WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_12)))) ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_15 - WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_14 == ((unsigned char) WrapperStruct00.var_1_16)))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L124-L125] return (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4) - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((float) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_6)))) && (WrapperStruct00.var_1_7 == ((double) ((15.5 + WrapperStruct00.var_1_4) - (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_8))))) && ((WrapperStruct00.var_1_10 || WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_9 == ((unsigned long int) ((WrapperStruct00.var_1_11 - WrapperStruct00.var_1_14) - WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_9 == ((unsigned long int) (WrapperStruct00.var_1_14 + ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))))))) && ((5 >= WrapperStruct00.var_1_11) ? ((WrapperStruct00.var_1_1 >= WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_14 == ((unsigned char) (128 - 16))) : ((WrapperStruct00.var_1_13 >= ((((WrapperStruct00.var_1_12) < 0 ) ? -(WrapperStruct00.var_1_12) : (WrapperStruct00.var_1_12)))) ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_15 - WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_14 == ((unsigned char) WrapperStruct00.var_1_16)))) : 1) ; [L134] RET, EXPR property() [L134] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.5s, OverallIterations: 4, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 1116 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 681 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 280 IncrementalHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 435 mSDtfsCounter, 280 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 760 NumberOfCodeBlocks, 760 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 604 ConstructedInterpolants, 0 QuantifiedInterpolants, 676 SizeOfPredicates, 0 NumberOfNonLiveVariables, 542 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2700/2736 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:15:39,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a7298dd3af0d9101e678a75f8643535906386a3d9e43aefb3c84d3566870e8d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:15:42,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:15:42,887 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:15:42,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:15:42,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:15:42,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:15:42,968 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:15:42,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:15:42,969 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:15:42,969 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:15:42,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:15:42,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:15:42,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:15:42,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:15:42,972 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:15:42,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:15:42,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:15:42,973 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:15:42,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:15:42,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:15:42,973 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:15:42,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:15:42,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:15:42,974 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:15:42,974 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:15:42,974 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:15:42,974 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:15:42,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:15:42,975 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:15:42,975 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:15:42,975 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:15:42,976 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:15:42,976 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:15:42,976 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:15:42,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:15:42,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:15:42,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:15:42,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:15:42,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:15:42,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:15:42,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:15:42,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:15:42,977 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:15:42,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:15:42,978 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:15:42,978 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:15:42,978 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:15:42,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:15:42,978 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:15:42,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:15:42,978 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_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a7298dd3af0d9101e678a75f8643535906386a3d9e43aefb3c84d3566870e8d [2024-11-28 02:15:43,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:15:43,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:15:43,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:15:43,419 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:15:43,421 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:15:43,422 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i [2024-11-28 02:15:46,925 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/data/36a871dc7/33206fcb1f0b44aaa4df4e2f1f36d58b/FLAGbd67367f6 [2024-11-28 02:15:47,243 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:15:47,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i [2024-11-28 02:15:47,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/data/36a871dc7/33206fcb1f0b44aaa4df4e2f1f36d58b/FLAGbd67367f6 [2024-11-28 02:15:47,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/data/36a871dc7/33206fcb1f0b44aaa4df4e2f1f36d58b [2024-11-28 02:15:47,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:15:47,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:15:47,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:15:47,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:15:47,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:15:47,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:15:47" (1/1) ... [2024-11-28 02:15:47,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585b63ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47, skipping insertion in model container [2024-11-28 02:15:47,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:15:47" (1/1) ... [2024-11-28 02:15:47,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:15:47,548 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_c76430b6-1a7f-4656-9582-555aef88d7df/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i[916,929] [2024-11-28 02:15:47,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:15:47,705 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:15:47,723 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_c76430b6-1a7f-4656-9582-555aef88d7df/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-20.i[916,929] [2024-11-28 02:15:47,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:15:47,830 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:15:47,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47 WrapperNode [2024-11-28 02:15:47,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:15:47,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:15:47,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:15:47,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:15:47,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47" (1/1) ... [2024-11-28 02:15:47,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47" (1/1) ... [2024-11-28 02:15:47,908 INFO L138 Inliner]: procedures = 37, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 487 [2024-11-28 02:15:47,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:15:47,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:15:47,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:15:47,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:15:47,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47" (1/1) ... [2024-11-28 02:15:47,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47" (1/1) ... [2024-11-28 02:15:47,930 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47" (1/1) ... [2024-11-28 02:15:47,971 INFO L175 MemorySlicer]: Split 137 memory accesses to 2 slices as follows [2, 135]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 37 writes are split as follows [0, 37]. [2024-11-28 02:15:47,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47" (1/1) ... [2024-11-28 02:15:47,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47" (1/1) ... [2024-11-28 02:15:48,018 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47" (1/1) ... [2024-11-28 02:15:48,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47" (1/1) ... [2024-11-28 02:15:48,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47" (1/1) ... [2024-11-28 02:15:48,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47" (1/1) ... [2024-11-28 02:15:48,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47" (1/1) ... [2024-11-28 02:15:48,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:15:48,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:15:48,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:15:48,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:15:48,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47" (1/1) ... [2024-11-28 02:15:48,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:15:48,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:15:48,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:15:48,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:15:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:15:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 02:15:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 02:15:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-11-28 02:15:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-11-28 02:15:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 02:15:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 02:15:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 02:15:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 02:15:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:15:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 02:15:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 02:15:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 02:15:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 02:15:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 02:15:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-28 02:15:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-28 02:15:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 02:15:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 02:15:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-28 02:15:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-28 02:15:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:15:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:15:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-28 02:15:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-28 02:15:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:15:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:15:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 02:15:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 02:15:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 02:15:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 02:15:48,397 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:15:48,399 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:16:02,877 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-28 02:16:02,877 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:16:02,893 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:16:02,893 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:16:02,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:16:02 BoogieIcfgContainer [2024-11-28 02:16:02,894 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:16:02,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:16:02,897 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:16:02,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:16:02,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:15:47" (1/3) ... [2024-11-28 02:16:02,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19aa9ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:16:02, skipping insertion in model container [2024-11-28 02:16:02,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:47" (2/3) ... [2024-11-28 02:16:02,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19aa9ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:16:02, skipping insertion in model container [2024-11-28 02:16:02,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:16:02" (3/3) ... [2024-11-28 02:16:02,908 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-20.i [2024-11-28 02:16:02,928 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:16:02,930 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-20.i that has 2 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:16:03,014 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:16:03,034 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;@16d24cb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:16:03,034 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:16:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:16:03,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 02:16:03,062 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:16:03,063 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:16:03,064 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:16:03,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:16:03,074 INFO L85 PathProgramCache]: Analyzing trace with hash 971865169, now seen corresponding path program 1 times [2024-11-28 02:16:03,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:16:03,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102510825] [2024-11-28 02:16:03,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:16:03,095 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 [2024-11-28 02:16:03,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:16:03,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:16:03,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:16:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:16:04,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:16:04,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:16:04,817 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-28 02:16:04,819 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:16:04,821 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:16:04,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102510825] [2024-11-28 02:16:04,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102510825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:16:04,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:16:04,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:16:04,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568108875] [2024-11-28 02:16:04,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:16:04,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:16:04,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:16:04,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:16:04,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:16:04,865 INFO L87 Difference]: Start difference. First operand has 113 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:16:04,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:16:04,904 INFO L93 Difference]: Finished difference Result 219 states and 347 transitions. [2024-11-28 02:16:04,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:16:04,907 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-28 02:16:04,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:16:04,916 INFO L225 Difference]: With dead ends: 219 [2024-11-28 02:16:04,916 INFO L226 Difference]: Without dead ends: 109 [2024-11-28 02:16:04,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:16:04,924 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:16:04,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:16:04,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-28 02:16:04,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-28 02:16:04,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:16:04,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2024-11-28 02:16:04,977 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 152 [2024-11-28 02:16:04,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:16:04,977 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2024-11-28 02:16:04,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:16:04,978 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2024-11-28 02:16:04,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 02:16:04,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:16:04,982 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:16:05,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:16:05,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:16:05,184 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:16:05,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:16:05,185 INFO L85 PathProgramCache]: Analyzing trace with hash -594105477, now seen corresponding path program 1 times [2024-11-28 02:16:05,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:16:05,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384673153] [2024-11-28 02:16:05,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:16:05,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:16:05,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:16:05,190 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:16:05,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:16:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:16:06,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:16:06,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:16:06,426 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-11-28 02:16:06,427 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:16:06,427 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:16:06,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384673153] [2024-11-28 02:16:06,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1384673153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:16:06,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:16:06,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:16:06,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440412999] [2024-11-28 02:16:06,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:16:06,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:16:06,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:16:06,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:16:06,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:16:06,432 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:16:06,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:16:06,583 INFO L93 Difference]: Finished difference Result 217 states and 312 transitions. [2024-11-28 02:16:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:16:06,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-28 02:16:06,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:16:06,589 INFO L225 Difference]: With dead ends: 217 [2024-11-28 02:16:06,589 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 02:16:06,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:16:06,594 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:16:06,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 451 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:16:06,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 02:16:06,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-28 02:16:06,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:16:06,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 158 transitions. [2024-11-28 02:16:06,616 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 158 transitions. Word has length 152 [2024-11-28 02:16:06,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:16:06,618 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 158 transitions. [2024-11-28 02:16:06,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:16:06,618 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2024-11-28 02:16:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 02:16:06,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:16:06,622 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:16:06,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:16:06,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:16:06,823 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:16:06,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:16:06,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1993059079, now seen corresponding path program 1 times [2024-11-28 02:16:06,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:16:06,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412101418] [2024-11-28 02:16:06,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:16:06,825 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 [2024-11-28 02:16:06,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:16:06,830 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:16:06,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:16:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:16:07,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:16:07,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:16:08,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 43 [2024-11-28 02:16:08,437 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-11-28 02:16:08,439 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:16:08,439 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:16:08,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412101418] [2024-11-28 02:16:08,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412101418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:16:08,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:16:08,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:16:08,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347959717] [2024-11-28 02:16:08,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:16:08,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:16:08,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:16:08,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:16:08,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:16:08,443 INFO L87 Difference]: Start difference. First operand 111 states and 158 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:16:11,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:16,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:21,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:23,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:24,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:16:24,348 INFO L93 Difference]: Finished difference Result 219 states and 313 transitions. [2024-11-28 02:16:24,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:16:24,349 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-28 02:16:24,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:16:24,351 INFO L225 Difference]: With dead ends: 219 [2024-11-28 02:16:24,351 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 02:16:24,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:16:24,353 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 142 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:16:24,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 417 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 197 Invalid, 1 Unknown, 0 Unchecked, 15.7s Time] [2024-11-28 02:16:24,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 02:16:24,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2024-11-28 02:16:24,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 88 states have internal predecessors, (117), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:16:24,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 155 transitions. [2024-11-28 02:16:24,377 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 155 transitions. Word has length 152 [2024-11-28 02:16:24,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:16:24,381 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 155 transitions. [2024-11-28 02:16:24,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:16:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 155 transitions. [2024-11-28 02:16:24,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-28 02:16:24,385 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:16:24,385 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:16:24,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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)] Forceful destruction successful, exit code 0 [2024-11-28 02:16:24,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:16:24,586 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:16:24,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:16:24,587 INFO L85 PathProgramCache]: Analyzing trace with hash -134550591, now seen corresponding path program 1 times [2024-11-28 02:16:24,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:16:24,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1921068582] [2024-11-28 02:16:24,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:16:24,587 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 [2024-11-28 02:16:24,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:16:24,592 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:16:24,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:16:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:16:25,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:16:25,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:16:26,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-28 02:16:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2024-11-28 02:16:26,220 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:16:26,220 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:16:26,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1921068582] [2024-11-28 02:16:26,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1921068582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:16:26,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:16:26,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:16:26,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251453184] [2024-11-28 02:16:26,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:16:26,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:16:26,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:16:26,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:16:26,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:16:26,223 INFO L87 Difference]: Start difference. First operand 109 states and 155 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:16:28,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:33,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:37,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:42,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:46,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:48,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:48,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:16:48,996 INFO L93 Difference]: Finished difference Result 216 states and 308 transitions. [2024-11-28 02:16:48,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:16:48,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 154 [2024-11-28 02:16:48,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:16:48,999 INFO L225 Difference]: With dead ends: 216 [2024-11-28 02:16:48,999 INFO L226 Difference]: Without dead ends: 110 [2024-11-28 02:16:49,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:16:49,001 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 132 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:16:49,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 412 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 199 Invalid, 3 Unknown, 0 Unchecked, 22.6s Time] [2024-11-28 02:16:49,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-28 02:16:49,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2024-11-28 02:16:49,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3181818181818181) internal successors, (116), 88 states have internal predecessors, (116), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:16:49,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 154 transitions. [2024-11-28 02:16:49,013 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 154 transitions. Word has length 154 [2024-11-28 02:16:49,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:16:49,014 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 154 transitions. [2024-11-28 02:16:49,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:16:49,014 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 154 transitions. [2024-11-28 02:16:49,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-28 02:16:49,017 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:16:49,017 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:16:49,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-28 02:16:49,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:16:49,218 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:16:49,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:16:49,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1769300805, now seen corresponding path program 1 times [2024-11-28 02:16:49,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:16:49,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541611583] [2024-11-28 02:16:49,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:16:49,220 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 [2024-11-28 02:16:49,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:16:49,224 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:16:49,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-28 02:16:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:16:50,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:16:50,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:16:50,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-28 02:16:50,935 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-11-28 02:16:50,935 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:16:50,935 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:16:50,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541611583] [2024-11-28 02:16:50,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541611583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:16:50,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:16:50,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:16:50,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469191493] [2024-11-28 02:16:50,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:16:50,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:16:50,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:16:50,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:16:50,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:16:50,938 INFO L87 Difference]: Start difference. First operand 109 states and 154 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:16:57,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:17:00,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:17:05,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:17:09,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:17:13,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:17:14,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:17:14,123 INFO L93 Difference]: Finished difference Result 216 states and 306 transitions. [2024-11-28 02:17:14,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:17:14,125 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2024-11-28 02:17:14,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:17:14,127 INFO L225 Difference]: With dead ends: 216 [2024-11-28 02:17:14,127 INFO L226 Difference]: Without dead ends: 110 [2024-11-28 02:17:14,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:17:14,129 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 124 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:17:14,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 410 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 197 Invalid, 3 Unknown, 0 Unchecked, 23.0s Time] [2024-11-28 02:17:14,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-28 02:17:14,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2024-11-28 02:17:14,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3068181818181819) internal successors, (115), 88 states have internal predecessors, (115), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:17:14,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 153 transitions. [2024-11-28 02:17:14,141 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 153 transitions. Word has length 156 [2024-11-28 02:17:14,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:17:14,142 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 153 transitions. [2024-11-28 02:17:14,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:17:14,142 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 153 transitions. [2024-11-28 02:17:14,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 02:17:14,145 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:17:14,145 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:17:14,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-28 02:17:14,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:17:14,346 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:17:14,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:17:14,346 INFO L85 PathProgramCache]: Analyzing trace with hash -282607871, now seen corresponding path program 1 times [2024-11-28 02:17:14,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:17:14,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357030460] [2024-11-28 02:17:14,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:14,347 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 [2024-11-28 02:17:14,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:17:14,349 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:17:14,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-28 02:17:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:15,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:17:15,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:17:15,971 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:17:15,971 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 [2024-11-28 02:17:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-28 02:17:16,049 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:17:16,049 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:17:16,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357030460] [2024-11-28 02:17:16,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357030460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:17:16,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:17:16,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:17:16,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419737025] [2024-11-28 02:17:16,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:17:16,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:17:16,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:17:16,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:17:16,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:17:16,052 INFO L87 Difference]: Start difference. First operand 109 states and 153 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:17:17,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:17:22,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:17:26,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:17:31,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:17:35,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:17:35,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:17:35,444 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2024-11-28 02:17:35,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:17:35,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-11-28 02:17:35,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:17:35,447 INFO L225 Difference]: With dead ends: 216 [2024-11-28 02:17:35,447 INFO L226 Difference]: Without dead ends: 110 [2024-11-28 02:17:35,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:17:35,449 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 108 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:17:35,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 405 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 199 Invalid, 2 Unknown, 0 Unchecked, 19.3s Time] [2024-11-28 02:17:35,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-28 02:17:35,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2024-11-28 02:17:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.2954545454545454) internal successors, (114), 88 states have internal predecessors, (114), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 02:17:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 152 transitions. [2024-11-28 02:17:35,461 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 152 transitions. Word has length 158 [2024-11-28 02:17:35,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:17:35,466 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 152 transitions. [2024-11-28 02:17:35,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:17:35,466 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 152 transitions. [2024-11-28 02:17:35,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 02:17:35,470 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:17:35,471 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:17:35,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-28 02:17:35,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:17:35,672 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:17:35,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:17:35,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1363032519, now seen corresponding path program 1 times [2024-11-28 02:17:35,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:17:35,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126880849] [2024-11-28 02:17:35,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:35,673 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 [2024-11-28 02:17:35,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:17:35,676 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:17:35,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76430b6-1a7f-4656-9582-555aef88d7df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process