./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-2.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_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 48b9052d7d3c65db9b48b4bf5f37001d35fe44050063cbacda5fa076149a356f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:34:23,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:34:23,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:34:23,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:34:23,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:34:23,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:34:23,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:34:23,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:34:23,520 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:34:23,520 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:34:23,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:34:23,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:34:23,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:34:23,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:34:23,521 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:34:23,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:34:23,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:34:23,521 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:34:23,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:34:23,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:34:23,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:34:23,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:34:23,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:34:23,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:34:23,521 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:34:23,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:34:23,521 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:34:23,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:34:23,522 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:34:23,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:34:23,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:34:23,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:34:23,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:34:23,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:34:23,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:34:23,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:34:23,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:34:23,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:34:23,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:34:23,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:34:23,523 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:34:23,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:34:23,523 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:34:23,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:34:23,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:34:23,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:34:23,523 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:34:23,523 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:34:23,523 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_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48b9052d7d3c65db9b48b4bf5f37001d35fe44050063cbacda5fa076149a356f [2024-12-02 13:34:23,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:34:23,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:34:23,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:34:23,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:34:23,728 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:34:23,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-2.i [2024-12-02 13:34:26,313 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/data/219d0250e/80183129c2204cd3b037fa7e92932551/FLAG3f57e5de2 [2024-12-02 13:34:26,531 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:34:26,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-2.i [2024-12-02 13:34:26,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/data/219d0250e/80183129c2204cd3b037fa7e92932551/FLAG3f57e5de2 [2024-12-02 13:34:26,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/data/219d0250e/80183129c2204cd3b037fa7e92932551 [2024-12-02 13:34:26,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:34:26,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:34:26,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:34:26,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:34:26,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:34:26,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43bda411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26, skipping insertion in model container [2024-12-02 13:34:26,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:34:27,016 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_fd54ffc5-5391-406d-8d90-77920a49233b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-2.i[914,927] [2024-12-02 13:34:27,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:34:27,067 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:34:27,074 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-2.i[914,927] [2024-12-02 13:34:27,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:34:27,109 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:34:27,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:27 WrapperNode [2024-12-02 13:34:27,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:34:27,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:34:27,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:34:27,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:34:27,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:27" (1/1) ... [2024-12-02 13:34:27,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:27" (1/1) ... [2024-12-02 13:34:27,143 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-12-02 13:34:27,143 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:34:27,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:34:27,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:34:27,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:34:27,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:27" (1/1) ... [2024-12-02 13:34:27,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:27" (1/1) ... [2024-12-02 13:34:27,156 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:27" (1/1) ... [2024-12-02 13:34:27,168 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 13:34:27,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:27" (1/1) ... [2024-12-02 13:34:27,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:27" (1/1) ... [2024-12-02 13:34:27,173 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:27" (1/1) ... [2024-12-02 13:34:27,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:27" (1/1) ... [2024-12-02 13:34:27,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:27" (1/1) ... [2024-12-02 13:34:27,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:27" (1/1) ... [2024-12-02 13:34:27,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:27" (1/1) ... [2024-12-02 13:34:27,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:34:27,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:34:27,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:34:27,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:34:27,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:27" (1/1) ... [2024-12-02 13:34:27,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:34:27,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:34:27,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:34:27,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:34:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:34:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:34:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:34:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:34:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:34:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:34:27,283 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:34:27,284 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:34:27,477 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 13:34:27,477 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:34:27,486 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:34:27,487 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:34:27,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:27 BoogieIcfgContainer [2024-12-02 13:34:27,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:34:27,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:34:27,489 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:34:27,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:34:27,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:34:26" (1/3) ... [2024-12-02 13:34:27,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46c2f916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:34:27, skipping insertion in model container [2024-12-02 13:34:27,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:27" (2/3) ... [2024-12-02 13:34:27,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46c2f916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:34:27, skipping insertion in model container [2024-12-02 13:34:27,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:27" (3/3) ... [2024-12-02 13:34:27,495 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-2.i [2024-12-02 13:34:27,509 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:34:27,510 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-2.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:34:27,560 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:34:27,572 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;@362a6e29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:34:27,572 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:34:27,576 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-02 13:34:27,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 13:34:27,583 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:27,584 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:27,584 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:27,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:27,589 INFO L85 PathProgramCache]: Analyzing trace with hash -2140347050, now seen corresponding path program 1 times [2024-12-02 13:34:27,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:34:27,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133653153] [2024-12-02 13:34:27,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:27,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:27,795 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 13:34:27,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:34:27,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133653153] [2024-12-02 13:34:27,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133653153] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:27,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152632968] [2024-12-02 13:34:27,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:27,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:34:27,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:34:27,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:34:27,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:34:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:27,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:34:27,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:27,949 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 13:34:27,949 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:27,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152632968] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:27,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:27,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:34:27,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468709047] [2024-12-02 13:34:27,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:27,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:34:27,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:34:27,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:34:27,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:34:27,971 INFO L87 Difference]: Start difference. First operand has 53 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 13:34:27,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:27,988 INFO L93 Difference]: Finished difference Result 99 states and 163 transitions. [2024-12-02 13:34:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:34:27,990 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 91 [2024-12-02 13:34:27,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:27,995 INFO L225 Difference]: With dead ends: 99 [2024-12-02 13:34:27,995 INFO L226 Difference]: Without dead ends: 49 [2024-12-02 13:34:27,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:34:27,999 INFO L435 NwaCegarLoop]: 69 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, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:27,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:34:28,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-12-02 13:34:28,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-12-02 13:34:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-02 13:34:28,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2024-12-02 13:34:28,029 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 91 [2024-12-02 13:34:28,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:28,030 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2024-12-02 13:34:28,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 13:34:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2024-12-02 13:34:28,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 13:34:28,033 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:28,033 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:28,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:34:28,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:34:28,234 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:28,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:28,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1331715252, now seen corresponding path program 1 times [2024-12-02 13:34:28,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:34:28,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818502338] [2024-12-02 13:34:28,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:28,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 13:34:28,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [839378022] [2024-12-02 13:34:28,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:28,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:34:28,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:34:28,363 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:34:28,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:34:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:28,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:34:28,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:28,715 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 147 proven. 9 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-12-02 13:34:28,715 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:29,367 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 27 proven. 9 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 13:34:29,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:34:29,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818502338] [2024-12-02 13:34:29,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 13:34:29,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839378022] [2024-12-02 13:34:29,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839378022] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:34:29,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:34:29,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-12-02 13:34:29,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435268151] [2024-12-02 13:34:29,369 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:34:29,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 13:34:29,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:34:29,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 13:34:29,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:34:29,371 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 5 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 5 states have call successors, (17) [2024-12-02 13:34:29,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:29,715 INFO L93 Difference]: Finished difference Result 123 states and 170 transitions. [2024-12-02 13:34:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 13:34:29,716 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 5 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 5 states have call successors, (17) Word has length 92 [2024-12-02 13:34:29,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:29,718 INFO L225 Difference]: With dead ends: 123 [2024-12-02 13:34:29,718 INFO L226 Difference]: Without dead ends: 77 [2024-12-02 13:34:29,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:34:29,719 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 106 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:29,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 176 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:34:29,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-12-02 13:34:29,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2024-12-02 13:34:29,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 48 states have (on average 1.1666666666666667) internal successors, (56), 49 states have internal predecessors, (56), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 13:34:29,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 100 transitions. [2024-12-02 13:34:29,734 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 100 transitions. Word has length 92 [2024-12-02 13:34:29,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:29,734 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 100 transitions. [2024-12-02 13:34:29,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 5 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 5 states have call successors, (17) [2024-12-02 13:34:29,735 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2024-12-02 13:34:29,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 13:34:29,736 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:29,736 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:29,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:34:29,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:34:29,937 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:29,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:29,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1161227543, now seen corresponding path program 1 times [2024-12-02 13:34:29,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:34:29,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522856972] [2024-12-02 13:34:29,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:29,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 13:34:29,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1447216396] [2024-12-02 13:34:29,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:29,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:34:29,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:34:30,001 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:34:30,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:34:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:34:30,108 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:34:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:34:30,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:34:30,189 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:34:30,191 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:34:30,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 13:34:30,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:34:30,396 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 13:34:30,445 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:34:30,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:34:30 BoogieIcfgContainer [2024-12-02 13:34:30,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:34:30,449 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:34:30,449 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:34:30,449 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:34:30,450 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:27" (3/4) ... [2024-12-02 13:34:30,452 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:34:30,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:34:30,454 INFO L158 Benchmark]: Toolchain (without parser) took 3551.57ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 92.2MB in the beginning and 161.0MB in the end (delta: -68.8MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-12-02 13:34:30,454 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:34:30,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.80ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 78.6MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:34:30,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.23ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:34:30,454 INFO L158 Benchmark]: Boogie Preprocessor took 38.14ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 74.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:34:30,455 INFO L158 Benchmark]: RCFGBuilder took 304.68ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 58.9MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:34:30,455 INFO L158 Benchmark]: TraceAbstraction took 2959.60ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 58.3MB in the beginning and 161.9MB in the end (delta: -103.6MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2024-12-02 13:34:30,455 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 192.9MB. Free memory was 161.9MB in the beginning and 161.0MB in the end (delta: 894.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:34:30,457 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.80ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 78.6MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.23ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.14ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 74.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.68ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 58.9MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2959.60ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 58.3MB in the beginning and 161.9MB in the end (delta: -103.6MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 192.9MB. Free memory was 161.9MB in the beginning and 161.0MB in the end (delta: 894.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 117, overapproximation of someBinaryDOUBLEComparisonOperation at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.95; [L23] float var_1_4 = 9999999.8; [L24] float var_1_5 = 8.6; [L25] unsigned long int var_1_6 = 10000; [L26] double var_1_8 = 64.5; [L27] float var_1_10 = 255.25; [L28] float var_1_11 = 7.5; [L29] float var_1_12 = 0.0; [L30] float var_1_13 = 64.8; [L31] double var_1_14 = 127.75; [L32] signed char var_1_15 = 8; [L33] signed char var_1_16 = 32; [L34] unsigned char var_1_17 = 0; [L35] unsigned char var_1_18 = 0; [L36] double var_1_19 = 2.25; [L37] unsigned char var_1_20 = 0; [L38] unsigned short int var_1_21 = 256; [L39] unsigned long int last_1_var_1_6 = 10000; VAL [isInitial=0, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L121] isInitial = 1 [L122] FCALL initially() [L124] CALL updateLastVariables() [L114] last_1_var_1_6 = var_1_6 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L124] RET updateLastVariables() [L125] CALL updateVariables() [L90] var_1_4 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L91] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L92] var_1_5 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_8=129/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_8=129/2] [L93] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_8=129/2] [L94] var_1_8 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L95] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L96] var_1_11 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L97] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L98] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L98] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L99] var_1_12 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L100] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L101] var_1_13 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L102] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L103] var_1_15 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L104] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L105] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L105] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L106] var_1_16 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L107] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L108] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L108] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L109] var_1_18 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L110] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L111] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L111] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L125] RET updateVariables() [L126] CALL step() [L43] COND TRUE (var_1_15 - ((((0) < (var_1_16)) ? (0) : (var_1_16)))) > last_1_var_1_6 [L44] var_1_14 = var_1_12 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_12=2, var_1_14=2, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L46] COND FALSE !((var_1_5 / var_1_11) >= (var_1_8 - var_1_4)) [L49] var_1_10 = 4.2f VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_12=2, var_1_14=2, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000] [L51] var_1_20 = var_1_16 [L52] var_1_21 = var_1_16 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_12=2, var_1_14=2, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_6=10000] [L53] COND TRUE var_1_21 <= (var_1_16 * var_1_20) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_12=2, var_1_14=2, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_6=10000] [L54] COND TRUE (var_1_5 + var_1_14) <= 127.025f [L55] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_12=2, var_1_14=2, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_6=10000] [L62] unsigned char stepLocal_0 = var_1_20 != var_1_20; VAL [isInitial=1, last_1_var_1_6=10000, stepLocal_0=0, var_1_10=21/5, var_1_12=2, var_1_14=2, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_6=10000] [L63] COND FALSE !(\read(var_1_17)) [L74] var_1_6 = var_1_20 VAL [isInitial=1, last_1_var_1_6=10000, stepLocal_0=0, var_1_10=21/5, var_1_12=2, var_1_14=2, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_6=1] [L76] COND TRUE var_1_6 <= var_1_6 VAL [isInitial=1, last_1_var_1_6=10000, stepLocal_0=0, var_1_10=21/5, var_1_12=2, var_1_14=2, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_6=1] [L77] COND FALSE !(var_1_6 > var_1_6) [L80] var_1_1 = var_1_5 VAL [isInitial=1, last_1_var_1_6=10000, stepLocal_0=0, var_1_10=21/5, var_1_12=2, var_1_14=2, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=3, var_1_20=1, var_1_21=1, var_1_5=3, var_1_6=1] [L85] COND TRUE var_1_1 < var_1_11 [L86] var_1_19 = (var_1_13 - 256.4) VAL [isInitial=1, last_1_var_1_6=10000, stepLocal_0=0, var_1_10=21/5, var_1_12=2, var_1_14=2, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_1=3, var_1_20=1, var_1_21=1, var_1_5=3, var_1_6=1] [L126] RET step() [L127] CALL, EXPR property() [L117-L118] return ((((((((var_1_6 <= var_1_6) ? ((var_1_6 > var_1_6) ? (var_1_1 == ((float) (var_1_4 - var_1_5))) : (var_1_1 == ((float) var_1_5))) : (var_1_1 == ((float) var_1_4))) && (var_1_17 ? ((((((var_1_14) > (((((var_1_5) > (199.78)) ? (var_1_5) : (199.78))))) ? (var_1_14) : (((((var_1_5) > (199.78)) ? (var_1_5) : (199.78)))))) != (var_1_4 - var_1_8)) ? (((var_1_20 != var_1_20) || var_1_17) ? (var_1_6 == ((unsigned long int) var_1_20)) : (var_1_6 == ((unsigned long int) 5u))) : (var_1_6 == ((unsigned long int) var_1_20))) : (var_1_6 == ((unsigned long int) var_1_20)))) && (((var_1_5 / var_1_11) >= (var_1_8 - var_1_4)) ? (var_1_10 == ((float) (((((var_1_5 - (var_1_12 - var_1_13))) < (var_1_4)) ? ((var_1_5 - (var_1_12 - var_1_13))) : (var_1_4))))) : (var_1_10 == ((float) 4.2f)))) && (((var_1_15 - ((((0) < (var_1_16)) ? (0) : (var_1_16)))) > last_1_var_1_6) ? (var_1_14 == ((double) var_1_12)) : 1)) && ((var_1_21 <= (var_1_16 * var_1_20)) ? (((var_1_5 + var_1_14) <= 127.025f) ? (var_1_17 == ((unsigned char) var_1_18)) : (var_1_17 == ((unsigned char) var_1_18))) : (var_1_17 == ((unsigned char) var_1_18)))) && ((var_1_1 < var_1_11) ? (var_1_19 == ((double) (var_1_13 - 256.4))) : 1)) && (var_1_20 == ((unsigned char) var_1_16))) && (var_1_21 == ((unsigned short int) var_1_16)) ; VAL [\result=0, isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_12=2, var_1_14=2, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_1=3, var_1_20=1, var_1_21=1, var_1_5=3, var_1_6=1] [L127] RET, EXPR property() [L127] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_12=2, var_1_14=2, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_1=3, var_1_20=1, var_1_21=1, var_1_5=3, var_1_6=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_12=2, var_1_14=2, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_1=3, var_1_20=1, var_1_21=1, var_1_5=3, var_1_6=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 3, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 245 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 110 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 220 IncrementalHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 135 mSDtfsCounter, 220 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 279 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 552 NumberOfCodeBlocks, 552 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 683 SizeOfPredicates, 3 NumberOfNonLiveVariables, 456 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 1206/1248 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 13:34:30,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 48b9052d7d3c65db9b48b4bf5f37001d35fe44050063cbacda5fa076149a356f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:34:32,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:34:32,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 13:34:32,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:34:32,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:34:32,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:34:32,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:34:32,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:34:32,446 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:34:32,446 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:34:32,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:34:32,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:34:32,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:34:32,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:34:32,447 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:34:32,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:34:32,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:34:32,447 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:34:32,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:34:32,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:34:32,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:34:32,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:34:32,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:34:32,448 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:34:32,448 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:34:32,448 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:34:32,448 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:34:32,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:34:32,448 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:34:32,448 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:34:32,448 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:34:32,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:34:32,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:34:32,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:34:32,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:34:32,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:34:32,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:34:32,449 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:34:32,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:34:32,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:34:32,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:34:32,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:34:32,449 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:34:32,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:34:32,449 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:34:32,449 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:34:32,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:34:32,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:34:32,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:34:32,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:34:32,450 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_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48b9052d7d3c65db9b48b4bf5f37001d35fe44050063cbacda5fa076149a356f [2024-12-02 13:34:32,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:34:32,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:34:32,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:34:32,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:34:32,694 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:34:32,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-2.i [2024-12-02 13:34:35,392 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/data/03a133c6f/7a1c0617037a418c9ddcc2612118009a/FLAG8cae09939 [2024-12-02 13:34:35,555 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:34:35,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-2.i [2024-12-02 13:34:35,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/data/03a133c6f/7a1c0617037a418c9ddcc2612118009a/FLAG8cae09939 [2024-12-02 13:34:35,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/data/03a133c6f/7a1c0617037a418c9ddcc2612118009a [2024-12-02 13:34:35,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:34:35,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:34:35,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:34:35,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:34:35,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:34:35,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:34:35" (1/1) ... [2024-12-02 13:34:35,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2919efe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:35, skipping insertion in model container [2024-12-02 13:34:35,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:34:35" (1/1) ... [2024-12-02 13:34:35,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:34:36,055 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_fd54ffc5-5391-406d-8d90-77920a49233b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-2.i[914,927] [2024-12-02 13:34:36,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:34:36,102 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:34:36,110 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_fd54ffc5-5391-406d-8d90-77920a49233b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-2.i[914,927] [2024-12-02 13:34:36,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:34:36,143 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:34:36,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:36 WrapperNode [2024-12-02 13:34:36,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:34:36,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:34:36,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:34:36,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:34:36,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:36" (1/1) ... [2024-12-02 13:34:36,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:36" (1/1) ... [2024-12-02 13:34:36,174 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2024-12-02 13:34:36,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:34:36,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:34:36,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:34:36,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:34:36,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:36" (1/1) ... [2024-12-02 13:34:36,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:36" (1/1) ... [2024-12-02 13:34:36,187 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:36" (1/1) ... [2024-12-02 13:34:36,198 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 13:34:36,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:36" (1/1) ... [2024-12-02 13:34:36,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:36" (1/1) ... [2024-12-02 13:34:36,206 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:36" (1/1) ... [2024-12-02 13:34:36,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:36" (1/1) ... [2024-12-02 13:34:36,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:36" (1/1) ... [2024-12-02 13:34:36,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:36" (1/1) ... [2024-12-02 13:34:36,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:36" (1/1) ... [2024-12-02 13:34:36,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:34:36,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:34:36,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:34:36,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:34:36,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:36" (1/1) ... [2024-12-02 13:34:36,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:34:36,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:34:36,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:34:36,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:34:36,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:34:36,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:34:36,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:34:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:34:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:34:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:34:36,327 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:34:36,328 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:34:50,697 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 13:34:50,698 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:34:50,704 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:34:50,704 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:34:50,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:50 BoogieIcfgContainer [2024-12-02 13:34:50,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:34:50,706 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:34:50,706 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:34:50,710 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:34:50,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:34:35" (1/3) ... [2024-12-02 13:34:50,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293d51f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:34:50, skipping insertion in model container [2024-12-02 13:34:50,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:36" (2/3) ... [2024-12-02 13:34:50,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293d51f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:34:50, skipping insertion in model container [2024-12-02 13:34:50,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:50" (3/3) ... [2024-12-02 13:34:50,712 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-2.i [2024-12-02 13:34:50,725 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:34:50,727 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-2.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:34:50,764 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:34:50,772 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;@2661cf58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:34:50,772 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:34:50,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-02 13:34:50,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 13:34:50,783 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:50,784 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:50,784 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:50,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:50,789 INFO L85 PathProgramCache]: Analyzing trace with hash -2140347050, now seen corresponding path program 1 times [2024-12-02 13:34:50,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:50,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1974656603] [2024-12-02 13:34:50,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:50,799 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:50,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:50,801 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:50,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 13:34:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:51,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:34:51,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:51,452 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:34:51,452 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:51,452 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:51,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1974656603] [2024-12-02 13:34:51,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1974656603] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:51,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:51,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:34:51,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752204574] [2024-12-02 13:34:51,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:51,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:34:51,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:51,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:34:51,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:34:51,470 INFO L87 Difference]: Start difference. First operand has 53 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:34:51,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:51,484 INFO L93 Difference]: Finished difference Result 99 states and 163 transitions. [2024-12-02 13:34:51,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:34:51,485 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 91 [2024-12-02 13:34:51,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:51,489 INFO L225 Difference]: With dead ends: 99 [2024-12-02 13:34:51,489 INFO L226 Difference]: Without dead ends: 49 [2024-12-02 13:34:51,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:34:51,493 INFO L435 NwaCegarLoop]: 69 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, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:51,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:34:51,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-12-02 13:34:51,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-12-02 13:34:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-02 13:34:51,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2024-12-02 13:34:51,517 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 91 [2024-12-02 13:34:51,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:51,517 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2024-12-02 13:34:51,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:34:51,517 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2024-12-02 13:34:51,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 13:34:51,519 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:51,519 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:51,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 13:34:51,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:51,720 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:51,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:51,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1331715252, now seen corresponding path program 1 times [2024-12-02 13:34:51,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:51,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545958289] [2024-12-02 13:34:51,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:51,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:51,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:51,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:51,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 13:34:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:52,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:34:52,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:52,730 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 138 proven. 9 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-12-02 13:34:52,730 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 27 proven. 9 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 13:34:53,527 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:53,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545958289] [2024-12-02 13:34:53,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1545958289] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:34:53,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:34:53,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-02 13:34:53,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417384857] [2024-12-02 13:34:53,527 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:34:53,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:34:53,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:53,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:34:53,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:34:53,530 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:34:59,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:35:03,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:35:07,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:35:07,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:07,951 INFO L93 Difference]: Finished difference Result 125 states and 172 transitions. [2024-12-02 13:35:07,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 13:35:07,951 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 92 [2024-12-02 13:35:07,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:07,953 INFO L225 Difference]: With dead ends: 125 [2024-12-02 13:35:07,953 INFO L226 Difference]: Without dead ends: 79 [2024-12-02 13:35:07,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 174 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=132, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:35:07,954 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 157 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 59 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:07,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 161 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 176 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2024-12-02 13:35:07,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-12-02 13:35:07,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 74. [2024-12-02 13:35:07,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 48 states have (on average 1.1666666666666667) internal successors, (56), 49 states have internal predecessors, (56), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 13:35:07,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 100 transitions. [2024-12-02 13:35:07,964 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 100 transitions. Word has length 92 [2024-12-02 13:35:07,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:07,965 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 100 transitions. [2024-12-02 13:35:07,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:35:07,965 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2024-12-02 13:35:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 13:35:07,966 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:07,966 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:07,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 13:35:08,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:08,167 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:08,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:08,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1161227543, now seen corresponding path program 1 times [2024-12-02 13:35:08,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:08,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [762665466] [2024-12-02 13:35:08,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:08,168 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:08,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:08,169 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:08,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd54ffc5-5391-406d-8d90-77920a49233b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 13:35:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:08,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 13:35:08,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:23,786 WARN L286 SmtUtils]: Spent 7.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:35:34,439 WARN L286 SmtUtils]: Spent 7.45s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:35:59,645 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:36:07,077 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_5~0 .cse0) (= ((_ to_fp 8 24) c_currentRoundingMode (/ 21.0 5.0)) c_~var_1_10~0) (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv0 32)) (fp.geq c_~var_1_13~0 .cse1) (fp.geq c_~var_1_5~0 .cse1) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_11~0)) (fp.sub c_currentRoundingMode c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)))) (fp.leq c_~var_1_12~0 .cse0) (fp.geq c_~var_1_12~0 .cse1) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) c_~var_1_14~0))) is different from true [2024-12-02 13:36:20,714 WARN L286 SmtUtils]: Spent 6.28s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:36:37,973 WARN L286 SmtUtils]: Spent 7.51s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:36:55,385 WARN L286 SmtUtils]: Spent 5.76s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:37:03,254 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_5~0 .cse0) (= ((_ to_fp 8 24) c_currentRoundingMode (/ 21.0 5.0)) c_~var_1_10~0) (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv0 32)) (= c_~var_1_21~0 ((_ sign_extend 8) c_~var_1_16~0)) (fp.geq c_~var_1_13~0 .cse1) (fp.geq c_~var_1_5~0 .cse1) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_11~0)) (fp.sub c_currentRoundingMode c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)))) (fp.leq c_~var_1_12~0 .cse0) (fp.geq c_~var_1_12~0 .cse1) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_currentRoundingMode roundNearestTiesToEven) (= c_~var_1_16~0 c_~var_1_20~0) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) c_~var_1_14~0))) is different from true [2024-12-02 13:37:19,557 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:37:38,211 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:38:01,916 WARN L286 SmtUtils]: Spent 6.96s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:38:07,607 WARN L286 SmtUtils]: Spent 5.69s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:38:14,792 WARN L286 SmtUtils]: Spent 7.18s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:38:50,841 WARN L286 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:40:41,873 WARN L286 SmtUtils]: Spent 52.07s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:40:47,947 WARN L286 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:41:00,609 WARN L286 SmtUtils]: Spent 6.45s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:41:30,339 WARN L286 SmtUtils]: Spent 7.25s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:41:55,176 WARN L286 SmtUtils]: Spent 7.49s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:42:37,437 WARN L286 SmtUtils]: Spent 5.30s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:44:31,341 WARN L286 SmtUtils]: Spent 55.16s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:44:38,863 WARN L286 SmtUtils]: Spent 7.52s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:44:52,248 WARN L286 SmtUtils]: Spent 7.33s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:45:06,612 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:45:12,794 WARN L286 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:45:22,148 WARN L286 SmtUtils]: Spent 5.42s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:45:36,571 WARN L286 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:45:45,347 WARN L286 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:45:59,136 WARN L286 SmtUtils]: Spent 7.39s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:46:12,203 WARN L286 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:46:22,465 WARN L286 SmtUtils]: Spent 6.36s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:46:42,400 WARN L286 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:46:50,005 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_5~0 .cse0) (= ((_ to_fp 8 24) c_currentRoundingMode (/ 21.0 5.0)) c_~var_1_10~0) (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv0 32)) (= c_~var_1_1~0 c_~var_1_5~0) (= c_~var_1_21~0 ((_ sign_extend 8) c_~var_1_16~0)) (= c_~var_1_18~0 c_~var_1_17~0) (fp.geq c_~var_1_13~0 .cse1) (fp.geq c_~var_1_5~0 .cse1) (= c_~var_1_6~0 ((_ zero_extend 24) c_~var_1_20~0)) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_11~0)) (fp.sub c_currentRoundingMode c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)))) (fp.leq c_~var_1_12~0 .cse0) (fp.geq c_~var_1_12~0 .cse1) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_currentRoundingMode roundNearestTiesToEven) (= c_~var_1_16~0 c_~var_1_20~0) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) c_~var_1_14~0))) is different from true [2024-12-02 13:47:08,047 WARN L286 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:47:16,141 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:47:24,026 WARN L286 SmtUtils]: Spent 7.88s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:47:32,157 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:47:40,278 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:47:56,190 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:48:06,180 WARN L286 SmtUtils]: Spent 7.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:48:12,419 WARN L286 SmtUtils]: Spent 6.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:48:19,562 WARN L286 SmtUtils]: Spent 7.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:48:27,693 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:48:35,828 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:48:43,967 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:48:48,006 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_5~0 .cse0) (= ((_ to_fp 8 24) c_currentRoundingMode (/ 21.0 5.0)) c_~var_1_10~0) (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv0 32)) (= c_~var_1_1~0 c_~var_1_5~0) (= c_~var_1_21~0 ((_ sign_extend 8) c_~var_1_16~0)) (= c_~var_1_18~0 c_~var_1_17~0) (fp.geq c_~var_1_13~0 .cse1) (fp.lt c_~var_1_1~0 c_~var_1_11~0) (fp.geq c_~var_1_5~0 .cse1) (= c_~var_1_6~0 ((_ zero_extend 24) c_~var_1_20~0)) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_11~0)) (fp.sub c_currentRoundingMode c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)))) (fp.leq c_~var_1_12~0 .cse0) (fp.geq c_~var_1_12~0 .cse1) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_~var_1_19~0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 1282.0 5.0)))) (= c_currentRoundingMode roundNearestTiesToEven) (= c_~var_1_16~0 c_~var_1_20~0) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) c_~var_1_14~0))) is different from false [2024-12-02 13:48:52,041 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_5~0 .cse0) (= ((_ to_fp 8 24) c_currentRoundingMode (/ 21.0 5.0)) c_~var_1_10~0) (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv0 32)) (= c_~var_1_1~0 c_~var_1_5~0) (= c_~var_1_21~0 ((_ sign_extend 8) c_~var_1_16~0)) (= c_~var_1_18~0 c_~var_1_17~0) (fp.geq c_~var_1_13~0 .cse1) (fp.lt c_~var_1_1~0 c_~var_1_11~0) (fp.geq c_~var_1_5~0 .cse1) (= c_~var_1_6~0 ((_ zero_extend 24) c_~var_1_20~0)) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_11~0)) (fp.sub c_currentRoundingMode c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)))) (fp.leq c_~var_1_12~0 .cse0) (fp.geq c_~var_1_12~0 .cse1) (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (= c_~var_1_19~0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 1282.0 5.0)))) (= c_currentRoundingMode roundNearestTiesToEven) (= c_~var_1_16~0 c_~var_1_20~0) (= ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) c_~var_1_14~0))) is different from true