./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-0.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_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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_9c5a0ee4-10be-454f-865f-d32215796242/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 f190a6c4b0edbc49af141a983db7689f2287405b384242554734ee34095f2f5c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:51:01,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:51:01,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:51:01,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:51:01,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:51:01,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:51:01,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:51:01,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:51:01,669 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:51:01,669 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:51:01,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:51:01,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:51:01,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:51:01,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:51:01,670 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:51:01,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:51:01,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:51:01,671 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:51:01,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:51:01,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:51:01,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:51:01,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:51:01,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:51:01,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:51:01,671 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:51:01,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:51:01,672 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:51:01,672 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:51:01,672 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:51:01,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:51:01,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:51:01,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:51:01,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:51:01,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:51:01,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:51:01,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:51:01,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:51:01,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:51:01,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:51:01,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:51:01,673 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:51:01,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:51:01,674 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:51:01,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:51:01,674 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:51:01,674 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:51:01,674 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:51:01,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:51:01,674 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_9c5a0ee4-10be-454f-865f-d32215796242/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 -> f190a6c4b0edbc49af141a983db7689f2287405b384242554734ee34095f2f5c [2024-12-02 14:51:01,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:51:01,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:51:01,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:51:01,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:51:01,912 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:51:01,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-0.i [2024-12-02 14:51:04,639 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/data/09fa459c9/6c6271c7ca92401bb08c481e5cc740f1/FLAGea0913d25 [2024-12-02 14:51:04,867 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:51:04,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-0.i [2024-12-02 14:51:04,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/data/09fa459c9/6c6271c7ca92401bb08c481e5cc740f1/FLAGea0913d25 [2024-12-02 14:51:04,890 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/data/09fa459c9/6c6271c7ca92401bb08c481e5cc740f1 [2024-12-02 14:51:04,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:51:04,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:51:04,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:51:04,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:51:04,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:51:04,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:51:04" (1/1) ... [2024-12-02 14:51:04,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12831ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:04, skipping insertion in model container [2024-12-02 14:51:04,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:51:04" (1/1) ... [2024-12-02 14:51:04,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:51:05,036 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_9c5a0ee4-10be-454f-865f-d32215796242/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-0.i[915,928] [2024-12-02 14:51:05,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:51:05,104 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:51:05,113 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_9c5a0ee4-10be-454f-865f-d32215796242/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-0.i[915,928] [2024-12-02 14:51:05,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:51:05,166 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:51:05,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:05 WrapperNode [2024-12-02 14:51:05,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:51:05,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:51:05,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:51:05,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:51:05,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:05" (1/1) ... [2024-12-02 14:51:05,187 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:05" (1/1) ... [2024-12-02 14:51:05,219 INFO L138 Inliner]: procedures = 29, calls = 114, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 364 [2024-12-02 14:51:05,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:51:05,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:51:05,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:51:05,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:51:05,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:05" (1/1) ... [2024-12-02 14:51:05,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:05" (1/1) ... [2024-12-02 14:51:05,233 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:05" (1/1) ... [2024-12-02 14:51:05,253 INFO L175 MemorySlicer]: Split 91 memory accesses to 5 slices as follows [2, 16, 55, 12, 6]. 60 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 2, 4, 2, 1]. The 13 writes are split as follows [0, 2, 8, 2, 1]. [2024-12-02 14:51:05,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:05" (1/1) ... [2024-12-02 14:51:05,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:05" (1/1) ... [2024-12-02 14:51:05,271 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:05" (1/1) ... [2024-12-02 14:51:05,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:05" (1/1) ... [2024-12-02 14:51:05,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:05" (1/1) ... [2024-12-02 14:51:05,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:05" (1/1) ... [2024-12-02 14:51:05,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:05" (1/1) ... [2024-12-02 14:51:05,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:51:05,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:51:05,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:51:05,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:51:05,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:05" (1/1) ... [2024-12-02 14:51:05,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:51:05,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:51:05,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:51:05,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:51:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:51:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 14:51:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 14:51:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 14:51:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 14:51:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 14:51:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 14:51:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 14:51:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 14:51:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 14:51:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 14:51:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 14:51:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 14:51:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 14:51:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 14:51:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 14:51:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 14:51:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 14:51:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 14:51:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 14:51:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 14:51:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 14:51:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 14:51:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 14:51:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 14:51:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 14:51:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:51:05,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:51:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:51:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:51:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 14:51:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 14:51:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 14:51:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:51:05,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:51:05,466 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:51:05,468 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:51:05,813 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-12-02 14:51:05,813 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:51:05,824 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:51:05,824 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:51:05,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:51:05 BoogieIcfgContainer [2024-12-02 14:51:05,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:51:05,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:51:05,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:51:05,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:51:05,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:51:04" (1/3) ... [2024-12-02 14:51:05,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab4bfa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:51:05, skipping insertion in model container [2024-12-02 14:51:05,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:05" (2/3) ... [2024-12-02 14:51:05,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab4bfa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:51:05, skipping insertion in model container [2024-12-02 14:51:05,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:51:05" (3/3) ... [2024-12-02 14:51:05,834 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-0.i [2024-12-02 14:51:05,850 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:51:05,851 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-0.i that has 2 procedures, 85 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:51:05,911 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:51:05,924 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;@6336d0a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:51:05,924 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:51:05,928 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 14:51:05,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-02 14:51:05,938 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:51:05,939 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:05,940 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:51:05,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:51:05,945 INFO L85 PathProgramCache]: Analyzing trace with hash -682838324, now seen corresponding path program 1 times [2024-12-02 14:51:05,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:51:05,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476982096] [2024-12-02 14:51:05,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:51:05,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:51:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:51:06,215 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-12-02 14:51:06,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:51:06,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476982096] [2024-12-02 14:51:06,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476982096] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:51:06,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035249657] [2024-12-02 14:51:06,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:51:06,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:51:06,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:51:06,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:51:06,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:51:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:51:06,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:51:06,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:51:06,441 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-12-02 14:51:06,441 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:51:06,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035249657] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:51:06,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:51:06,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:51:06,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440694682] [2024-12-02 14:51:06,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:51:06,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:51:06,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:51:06,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:51:06,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:51:06,466 INFO L87 Difference]: Start difference. First operand has 85 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 14:51:06,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:51:06,490 INFO L93 Difference]: Finished difference Result 160 states and 245 transitions. [2024-12-02 14:51:06,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:51:06,492 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2024-12-02 14:51:06,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:51:06,497 INFO L225 Difference]: With dead ends: 160 [2024-12-02 14:51:06,497 INFO L226 Difference]: Without dead ends: 78 [2024-12-02 14:51:06,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 79 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 14:51:06,502 INFO L435 NwaCegarLoop]: 108 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, 108 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 14:51:06,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:51:06,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-12-02 14:51:06,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-12-02 14:51:06,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 68 states have (on average 1.3529411764705883) internal successors, (92), 68 states have internal predecessors, (92), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 14:51:06,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 108 transitions. [2024-12-02 14:51:06,537 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 108 transitions. Word has length 78 [2024-12-02 14:51:06,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:51:06,537 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 108 transitions. [2024-12-02 14:51:06,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 14:51:06,538 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2024-12-02 14:51:06,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-02 14:51:06,540 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:51:06,541 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:06,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:51:06,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:51:06,742 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:51:06,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:51:06,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1349429352, now seen corresponding path program 1 times [2024-12-02 14:51:06,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:51:06,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004237797] [2024-12-02 14:51:06,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:51:06,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:51:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:51:06,833 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:51:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:51:06,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 14:51:06,922 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:51:06,924 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:51:06,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:51:06,928 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 14:51:06,987 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:51:06,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:51:06 BoogieIcfgContainer [2024-12-02 14:51:06,990 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:51:06,990 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:51:06,990 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:51:06,990 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:51:06,991 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:51:05" (3/4) ... [2024-12-02 14:51:06,993 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:51:06,994 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:51:06,995 INFO L158 Benchmark]: Toolchain (without parser) took 2101.25ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 68.0MB in the end (delta: 49.5MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-12-02 14:51:06,995 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:51:06,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.96ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 103.1MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:51:06,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.11ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 100.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:51:06,996 INFO L158 Benchmark]: Boogie Preprocessor took 66.07ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 96.8MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:51:06,997 INFO L158 Benchmark]: RCFGBuilder took 537.42ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 72.2MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 14:51:06,997 INFO L158 Benchmark]: TraceAbstraction took 1163.62ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 68.6MB in the end (delta: 2.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-12-02 14:51:06,997 INFO L158 Benchmark]: Witness Printer took 3.95ms. Allocated memory is still 142.6MB. Free memory was 68.6MB in the beginning and 68.0MB in the end (delta: 611.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:51:06,999 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.96ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 103.1MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.11ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 100.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.07ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 96.8MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 537.42ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 72.2MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1163.62ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 68.6MB in the end (delta: 2.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Witness Printer took 3.95ms. Allocated memory is still 142.6MB. Free memory was 68.6MB in the beginning and 68.0MB in the end (delta: 611.1kB). 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 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 79. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 1 }; [L25-L27] double double_Array_0[2][2] = { {5.25, 128.2}, {15.4, 25.8} }; [L25-L27] double double_Array_0[2][2] = { {5.25, 128.2}, {15.4, 25.8} }; [L25-L27] double double_Array_0[2][2] = { {5.25, 128.2}, {15.4, 25.8} }; [L25-L27] double double_Array_0[2][2] = { {5.25, 128.2}, {15.4, 25.8} }; [L25-L27] double double_Array_0[2][2] = { {5.25, 128.2}, {15.4, 25.8} }; [L28-L30] unsigned char unsigned_char_Array_0[2] = { 1, 100 }; [L28-L30] unsigned char unsigned_char_Array_0[2] = { 1, 100 }; [L28-L30] unsigned char unsigned_char_Array_0[2] = { 1, 100 }; [L31-L33] unsigned short int unsigned_short_int_Array_0[1] = { 5 }; [L31-L33] unsigned short int unsigned_short_int_Array_0[1] = { 5 }; [L34] double last_1_double_Array_0_0__0_ = 5.25; [L35] unsigned char last_1_unsigned_char_Array_0_1_ = 100; [L36] unsigned short int last_1_unsigned_short_int_Array_0_0_ = 5; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=0, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] isInitial = 1 [L97] FCALL initially() [L99] CALL updateLastVariables() [L87] EXPR double_Array_0[0][0] [L87] last_1_double_Array_0_0__0_ = double_Array_0[0][0] [L88] EXPR unsigned_char_Array_0[1] [L88] last_1_unsigned_char_Array_0_1_ = unsigned_char_Array_0[1] [L89] EXPR unsigned_short_int_Array_0[0] [L89] last_1_unsigned_short_int_Array_0_0_ = unsigned_short_int_Array_0[0] [L99] RET updateLastVariables() [L100] CALL updateVariables() [L72] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L73] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L75] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L78] double_Array_0[1][0] = __VERIFIER_nondet_double() [L79] EXPR double_Array_0[1][0] [L79] EXPR double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L79] EXPR double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F [L79] EXPR double_Array_0[1][0] [L79] EXPR double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L79] EXPR (double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L79] EXPR (double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L79] CALL assume_abort_if_not((double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L79] RET assume_abort_if_not((double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L80] double_Array_0[0][1] = __VERIFIER_nondet_double() [L81] EXPR double_Array_0[0][1] [L81] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L81] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F [L81] EXPR double_Array_0[0][1] [L81] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L81] EXPR (double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854765600e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L81] EXPR (double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854765600e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L81] CALL assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854765600e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L81] RET assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854765600e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L82] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L83] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L83] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L83] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L84] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L84] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L84] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L100] RET updateVariables() [L101] CALL step() [L40] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L40] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L45] COND FALSE !((last_1_unsigned_short_int_Array_0_0_ + last_1_unsigned_short_int_Array_0_0_) < last_1_unsigned_short_int_Array_0_0_) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L50] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L50] COND TRUE ! BOOL_unsigned_char_Array_0[1] [L51] EXPR double_Array_0[0][1] [L51] EXPR double_Array_0[1][0] [L51] double_Array_0[1][1] = (double_Array_0[0][1] - double_Array_0[1][0]) [L55] EXPR double_Array_0[0][1] [L55] EXPR double_Array_0[1][0] [L55] EXPR double_Array_0[1][1] [L55] EXPR double_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L55] COND FALSE !((double_Array_0[0][1] + (double_Array_0[1][0] + double_Array_0[1][1])) != double_Array_0[1][1]) [L68] EXPR double_Array_0[0][1] [L68] double_Array_0[0][0] = double_Array_0[0][1] [L101] RET step() [L102] CALL, EXPR property() [L92] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L92] EXPR (! BOOL_unsigned_char_Array_0[1]) ? (double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) : (double_Array_0[1][1] == ((double) ((((16.2) < (double_Array_0[0][1])) ? (16.2) : (double_Array_0[0][1]))))) [L92] EXPR double_Array_0[1][1] [L92] EXPR double_Array_0[0][1] [L92] EXPR double_Array_0[1][0] [L92] EXPR (! BOOL_unsigned_char_Array_0[1]) ? (double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) : (double_Array_0[1][1] == ((double) ((((16.2) < (double_Array_0[0][1])) ? (16.2) : (double_Array_0[0][1]))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L92] EXPR ((! BOOL_unsigned_char_Array_0[1]) ? (double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) : (double_Array_0[1][1] == ((double) ((((16.2) < (double_Array_0[0][1])) ? (16.2) : (double_Array_0[0][1])))))) && (((double_Array_0[0][1] + (double_Array_0[1][0] + double_Array_0[1][1])) != double_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[1] ? (((- unsigned_short_int_Array_0[0]) <= unsigned_char_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0][0] == ((double) double_Array_0[1][0])) : 1) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L92] EXPR ((! BOOL_unsigned_char_Array_0[1]) ? (double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) : (double_Array_0[1][1] == ((double) ((((16.2) < (double_Array_0[0][1])) ? (16.2) : (double_Array_0[0][1])))))) && (((double_Array_0[0][1] + (double_Array_0[1][0] + double_Array_0[1][1])) != double_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[1] ? (((- unsigned_short_int_Array_0[0]) <= unsigned_char_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0][0] == ((double) double_Array_0[1][0])) : 1) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L92] EXPR (((! BOOL_unsigned_char_Array_0[1]) ? (double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) : (double_Array_0[1][1] == ((double) ((((16.2) < (double_Array_0[0][1])) ? (16.2) : (double_Array_0[0][1])))))) && (((double_Array_0[0][1] + (double_Array_0[1][0] + double_Array_0[1][1])) != double_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[1] ? (((- unsigned_short_int_Array_0[0]) <= unsigned_char_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0][0] == ((double) double_Array_0[1][0])) : 1) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) : (double_Array_0[0][0] == ((double) double_Array_0[0][1])))) && (((last_1_unsigned_short_int_Array_0_0_ + last_1_unsigned_short_int_Array_0_0_) < last_1_unsigned_short_int_Array_0_0_) ? ((last_1_unsigned_short_int_Array_0_0_ > last_1_unsigned_short_int_Array_0_0_) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L92] EXPR (((! BOOL_unsigned_char_Array_0[1]) ? (double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) : (double_Array_0[1][1] == ((double) ((((16.2) < (double_Array_0[0][1])) ? (16.2) : (double_Array_0[0][1])))))) && (((double_Array_0[0][1] + (double_Array_0[1][0] + double_Array_0[1][1])) != double_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[1] ? (((- unsigned_short_int_Array_0[0]) <= unsigned_char_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0][0] == ((double) double_Array_0[1][0])) : 1) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) : (double_Array_0[0][0] == ((double) double_Array_0[0][1])))) && (((last_1_unsigned_short_int_Array_0_0_ + last_1_unsigned_short_int_Array_0_0_) < last_1_unsigned_short_int_Array_0_0_) ? ((last_1_unsigned_short_int_Array_0_0_ > last_1_unsigned_short_int_Array_0_0_) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L92] EXPR ((((! BOOL_unsigned_char_Array_0[1]) ? (double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) : (double_Array_0[1][1] == ((double) ((((16.2) < (double_Array_0[0][1])) ? (16.2) : (double_Array_0[0][1])))))) && (((double_Array_0[0][1] + (double_Array_0[1][0] + double_Array_0[1][1])) != double_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[1] ? (((- unsigned_short_int_Array_0[0]) <= unsigned_char_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0][0] == ((double) double_Array_0[1][0])) : 1) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) : (double_Array_0[0][0] == ((double) double_Array_0[0][1])))) && (((last_1_unsigned_short_int_Array_0_0_ + last_1_unsigned_short_int_Array_0_0_) < last_1_unsigned_short_int_Array_0_0_) ? ((last_1_unsigned_short_int_Array_0_0_ > last_1_unsigned_short_int_Array_0_0_) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (((double_Array_0[1][0] * (double_Array_0[0][1] - 5.3)) <= last_1_double_Array_0_0__0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_1_)) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L92] EXPR ((((! BOOL_unsigned_char_Array_0[1]) ? (double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) : (double_Array_0[1][1] == ((double) ((((16.2) < (double_Array_0[0][1])) ? (16.2) : (double_Array_0[0][1])))))) && (((double_Array_0[0][1] + (double_Array_0[1][0] + double_Array_0[1][1])) != double_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[1] ? (((- unsigned_short_int_Array_0[0]) <= unsigned_char_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0][0] == ((double) double_Array_0[1][0])) : 1) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) : (double_Array_0[0][0] == ((double) double_Array_0[0][1])))) && (((last_1_unsigned_short_int_Array_0_0_ + last_1_unsigned_short_int_Array_0_0_) < last_1_unsigned_short_int_Array_0_0_) ? ((last_1_unsigned_short_int_Array_0_0_ > last_1_unsigned_short_int_Array_0_0_) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (((double_Array_0[1][0] * (double_Array_0[0][1] - 5.3)) <= last_1_double_Array_0_0__0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_1_)) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L92-L93] return ((((! BOOL_unsigned_char_Array_0[1]) ? (double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) : (double_Array_0[1][1] == ((double) ((((16.2) < (double_Array_0[0][1])) ? (16.2) : (double_Array_0[0][1])))))) && (((double_Array_0[0][1] + (double_Array_0[1][0] + double_Array_0[1][1])) != double_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[1] ? (((- unsigned_short_int_Array_0[0]) <= unsigned_char_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0][0] == ((double) double_Array_0[1][0])) : 1) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) : (double_Array_0[0][0] == ((double) double_Array_0[0][1]))) : (double_Array_0[0][0] == ((double) double_Array_0[0][1])))) && (((last_1_unsigned_short_int_Array_0_0_ + last_1_unsigned_short_int_Array_0_0_) < last_1_unsigned_short_int_Array_0_0_) ? ((last_1_unsigned_short_int_Array_0_0_ > last_1_unsigned_short_int_Array_0_0_) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (((double_Array_0[1][0] * (double_Array_0[0][1] - 5.3)) <= last_1_double_Array_0_0__0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_1_)) : 1) : 1) ; [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0__0_=21/4, last_1_unsigned_char_Array_0_1_=100, last_1_unsigned_short_int_Array_0_0_=5, unsigned_char_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 108 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 292 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 210/224 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 14:51:07,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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_9c5a0ee4-10be-454f-865f-d32215796242/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 f190a6c4b0edbc49af141a983db7689f2287405b384242554734ee34095f2f5c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:51:09,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:51:09,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 14:51:09,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:51:09,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:51:09,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:51:09,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:51:09,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:51:09,203 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:51:09,203 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:51:09,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:51:09,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:51:09,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:51:09,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:51:09,204 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:51:09,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:51:09,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:51:09,204 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:51:09,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:51:09,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:51:09,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:51:09,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:51:09,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:51:09,205 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 14:51:09,205 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 14:51:09,205 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 14:51:09,205 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:51:09,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:51:09,205 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:51:09,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:51:09,205 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:51:09,205 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:51:09,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:51:09,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:51:09,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:51:09,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:51:09,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:51:09,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:51:09,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:51:09,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:51:09,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:51:09,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:51:09,207 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:51:09,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:51:09,207 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 14:51:09,207 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 14:51:09,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:51:09,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:51:09,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:51:09,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:51:09,207 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_9c5a0ee4-10be-454f-865f-d32215796242/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 -> f190a6c4b0edbc49af141a983db7689f2287405b384242554734ee34095f2f5c [2024-12-02 14:51:09,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:51:09,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:51:09,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:51:09,463 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:51:09,463 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:51:09,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-0.i [2024-12-02 14:51:12,326 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/data/0e24a0e9d/70827065f0d54c3284390a3c519b5a61/FLAGd625a958e [2024-12-02 14:51:12,533 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:51:12,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-0.i [2024-12-02 14:51:12,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/data/0e24a0e9d/70827065f0d54c3284390a3c519b5a61/FLAGd625a958e [2024-12-02 14:51:12,876 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/data/0e24a0e9d/70827065f0d54c3284390a3c519b5a61 [2024-12-02 14:51:12,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:51:12,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:51:12,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:51:12,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:51:12,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:51:12,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:51:12" (1/1) ... [2024-12-02 14:51:12,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c0c0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:12, skipping insertion in model container [2024-12-02 14:51:12,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:51:12" (1/1) ... [2024-12-02 14:51:12,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:51:13,011 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_9c5a0ee4-10be-454f-865f-d32215796242/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-0.i[915,928] [2024-12-02 14:51:13,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:51:13,066 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:51:13,078 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_9c5a0ee4-10be-454f-865f-d32215796242/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-0.i[915,928] [2024-12-02 14:51:13,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:51:13,133 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:51:13,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:13 WrapperNode [2024-12-02 14:51:13,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:51:13,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:51:13,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:51:13,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:51:13,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:13" (1/1) ... [2024-12-02 14:51:13,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:13" (1/1) ... [2024-12-02 14:51:13,179 INFO L138 Inliner]: procedures = 33, calls = 114, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 364 [2024-12-02 14:51:13,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:51:13,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:51:13,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:51:13,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:51:13,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:13" (1/1) ... [2024-12-02 14:51:13,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:13" (1/1) ... [2024-12-02 14:51:13,194 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:13" (1/1) ... [2024-12-02 14:51:13,207 INFO L175 MemorySlicer]: Split 91 memory accesses to 5 slices as follows [2, 16, 55, 12, 6]. 60 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 2, 4, 2, 1]. The 13 writes are split as follows [0, 2, 8, 2, 1]. [2024-12-02 14:51:13,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:13" (1/1) ... [2024-12-02 14:51:13,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:13" (1/1) ... [2024-12-02 14:51:13,224 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:13" (1/1) ... [2024-12-02 14:51:13,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:13" (1/1) ... [2024-12-02 14:51:13,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:13" (1/1) ... [2024-12-02 14:51:13,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:13" (1/1) ... [2024-12-02 14:51:13,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:13" (1/1) ... [2024-12-02 14:51:13,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:51:13,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:51:13,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:51:13,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:51:13,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:13" (1/1) ... [2024-12-02 14:51:13,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:51:13,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:51:13,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:51:13,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:51:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:51:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 14:51:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 14:51:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-12-02 14:51:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-12-02 14:51:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-12-02 14:51:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 14:51:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 14:51:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-12-02 14:51:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-12-02 14:51:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-12-02 14:51:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 14:51:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 14:51:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 14:51:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 14:51:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 14:51:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 14:51:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 14:51:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 14:51:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 14:51:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 14:51:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 14:51:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 14:51:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 14:51:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 14:51:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 14:51:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-12-02 14:51:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-12-02 14:51:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-12-02 14:51:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-12-02 14:51:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-12-02 14:51:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 14:51:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 14:51:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 14:51:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 14:51:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 14:51:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:51:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:51:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:51:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:51:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 14:51:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 14:51:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 14:51:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 14:51:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 14:51:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 14:51:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 14:51:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 14:51:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 14:51:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 14:51:13,423 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:51:13,424 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:51:35,102 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-12-02 14:51:35,102 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:51:35,112 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:51:35,112 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:51:35,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:51:35 BoogieIcfgContainer [2024-12-02 14:51:35,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:51:35,114 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:51:35,114 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:51:35,118 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:51:35,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:51:12" (1/3) ... [2024-12-02 14:51:35,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d82634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:51:35, skipping insertion in model container [2024-12-02 14:51:35,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:13" (2/3) ... [2024-12-02 14:51:35,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d82634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:51:35, skipping insertion in model container [2024-12-02 14:51:35,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:51:35" (3/3) ... [2024-12-02 14:51:35,120 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-0.i [2024-12-02 14:51:35,130 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:51:35,131 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-0.i that has 2 procedures, 85 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:51:35,169 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:51:35,178 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;@377e1594, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:51:35,178 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:51:35,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 14:51:35,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-02 14:51:35,188 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:51:35,189 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:35,189 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:51:35,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:51:35,194 INFO L85 PathProgramCache]: Analyzing trace with hash -682838324, now seen corresponding path program 1 times [2024-12-02 14:51:35,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:51:35,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1131944119] [2024-12-02 14:51:35,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:51:35,204 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 14:51:35,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:51:35,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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 14:51:35,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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 14:51:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:51:35,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:51:35,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:51:35,794 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-02 14:51:35,794 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:51:35,794 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:51:35,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1131944119] [2024-12-02 14:51:35,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1131944119] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:51:35,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:51:35,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:51:35,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26451157] [2024-12-02 14:51:35,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:51:35,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:51:35,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:51:35,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:51:35,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:51:35,817 INFO L87 Difference]: Start difference. First operand has 85 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 14:51:35,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:51:35,837 INFO L93 Difference]: Finished difference Result 160 states and 245 transitions. [2024-12-02 14:51:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:51:35,839 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2024-12-02 14:51:35,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:51:35,843 INFO L225 Difference]: With dead ends: 160 [2024-12-02 14:51:35,843 INFO L226 Difference]: Without dead ends: 78 [2024-12-02 14:51:35,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 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 14:51:35,848 INFO L435 NwaCegarLoop]: 108 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, 108 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 14:51:35,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:51:35,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-12-02 14:51:35,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-12-02 14:51:35,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 68 states have (on average 1.3529411764705883) internal successors, (92), 68 states have internal predecessors, (92), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 14:51:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 108 transitions. [2024-12-02 14:51:35,878 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 108 transitions. Word has length 78 [2024-12-02 14:51:35,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:51:35,878 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 108 transitions. [2024-12-02 14:51:35,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 14:51:35,878 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2024-12-02 14:51:35,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-02 14:51:35,881 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:51:35,881 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:35,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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 14:51:36,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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 14:51:36,082 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:51:36,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:51:36,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1349429352, now seen corresponding path program 1 times [2024-12-02 14:51:36,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:51:36,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117132749] [2024-12-02 14:51:36,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:51:36,084 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 14:51:36,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:51:36,085 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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 14:51:36,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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 14:51:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:51:36,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:51:36,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:51:37,046 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:51:37,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-12-02 14:51:37,152 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-02 14:51:37,152 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:51:37,152 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:51:37,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [117132749] [2024-12-02 14:51:37,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [117132749] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:51:37,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:51:37,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:51:37,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889241247] [2024-12-02 14:51:37,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:51:37,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:51:37,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:51:37,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:51:37,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:51:37,156 INFO L87 Difference]: Start difference. First operand 78 states and 108 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 14:51:41,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:51:45,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:51:48,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:51:52,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:51:56,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:51:59,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:01,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:02,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:08,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:10,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:15,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:19,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:19,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:19,450 INFO L93 Difference]: Finished difference Result 154 states and 214 transitions. [2024-12-02 14:52:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:52:19,479 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2024-12-02 14:52:19,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:19,480 INFO L225 Difference]: With dead ends: 154 [2024-12-02 14:52:19,480 INFO L226 Difference]: Without dead ends: 79 [2024-12-02 14:52:19,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:52:19,482 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 88 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:19,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 296 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 7 Unknown, 0 Unchecked, 42.2s Time] [2024-12-02 14:52:19,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-12-02 14:52:19,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2024-12-02 14:52:19,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 68 states have (on average 1.338235294117647) internal successors, (91), 68 states have internal predecessors, (91), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 14:52:19,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2024-12-02 14:52:19,489 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 78 [2024-12-02 14:52:19,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:19,490 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2024-12-02 14:52:19,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 14:52:19,491 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2024-12-02 14:52:19,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 14:52:19,492 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:19,492 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:19,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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 14:52:19,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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 14:52:19,693 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:19,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:19,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1194709860, now seen corresponding path program 1 times [2024-12-02 14:52:19,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:52:19,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979779214] [2024-12-02 14:52:19,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:19,694 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 14:52:19,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:52:19,696 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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 14:52:19,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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 14:52:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:20,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:52:20,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:52:20,319 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 14:52:20,319 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:52:20,320 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:52:20,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979779214] [2024-12-02 14:52:20,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979779214] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:20,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:20,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:52:20,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716953985] [2024-12-02 14:52:20,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:20,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:52:20,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:52:20,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:52:20,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:52:20,322 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-12-02 14:52:20,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:20,655 INFO L93 Difference]: Finished difference Result 157 states and 216 transitions. [2024-12-02 14:52:20,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:52:20,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 80 [2024-12-02 14:52:20,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:20,657 INFO L225 Difference]: With dead ends: 157 [2024-12-02 14:52:20,657 INFO L226 Difference]: Without dead ends: 80 [2024-12-02 14:52:20,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:52:20,658 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 1 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:20,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 452 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:52:20,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-12-02 14:52:20,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2024-12-02 14:52:20,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 68 states have internal predecessors, (90), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 14:52:20,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 106 transitions. [2024-12-02 14:52:20,667 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 106 transitions. Word has length 80 [2024-12-02 14:52:20,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:20,668 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 106 transitions. [2024-12-02 14:52:20,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-12-02 14:52:20,668 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2024-12-02 14:52:20,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 14:52:20,669 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:20,669 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:20,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 14:52:20,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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 14:52:20,870 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:20,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:20,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1161095390, now seen corresponding path program 1 times [2024-12-02 14:52:20,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:52:20,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063810934] [2024-12-02 14:52:20,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:20,872 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 14:52:20,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:52:20,873 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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 14:52:20,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 14:52:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:21,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:52:21,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:52:21,867 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:52:21,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-12-02 14:52:21,959 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 14:52:21,959 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:52:21,960 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:52:21,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063810934] [2024-12-02 14:52:21,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063810934] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:21,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:21,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:52:21,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712643581] [2024-12-02 14:52:21,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:21,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:52:21,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:52:21,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:52:21,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:52:21,962 INFO L87 Difference]: Start difference. First operand 78 states and 106 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 14:52:26,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:29,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:33,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:36,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:39,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:45,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:49,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:52,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:56,973 WARN L539 Checker$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 14:52:57,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:57,037 INFO L93 Difference]: Finished difference Result 154 states and 210 transitions. [2024-12-02 14:52:57,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:52:57,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 80 [2024-12-02 14:52:57,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:57,063 INFO L225 Difference]: With dead ends: 154 [2024-12-02 14:52:57,063 INFO L226 Difference]: Without dead ends: 79 [2024-12-02 14:52:57,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:52:57,064 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 78 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.9s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:57,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 285 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 128 Invalid, 5 Unknown, 0 Unchecked, 34.9s Time] [2024-12-02 14:52:57,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-12-02 14:52:57,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2024-12-02 14:52:57,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 68 states have internal predecessors, (89), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 14:52:57,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 105 transitions. [2024-12-02 14:52:57,071 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 105 transitions. Word has length 80 [2024-12-02 14:52:57,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:57,071 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 105 transitions. [2024-12-02 14:52:57,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 14:52:57,071 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2024-12-02 14:52:57,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 14:52:57,072 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:57,073 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:57,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 14:52:57,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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 14:52:57,273 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:57,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:57,274 INFO L85 PathProgramCache]: Analyzing trace with hash -725734568, now seen corresponding path program 1 times [2024-12-02 14:52:57,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:52:57,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696320667] [2024-12-02 14:52:57,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:57,274 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 14:52:57,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:52:57,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/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 14:52:57,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 14:53:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:00,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-02 14:53:00,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:53:00,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 14:53:02,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 57 [2024-12-02 14:53:06,403 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:53:06,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 349 treesize of output 169 [2024-12-02 14:53:18,575 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:53:18,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 568 treesize of output 250 [2024-12-02 14:53:24,222 WARN L286 SmtUtils]: Spent 5.61s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:53:30,212 WARN L286 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:53:38,266 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:53:44,378 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:53:48,423 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int#2| |c_~#double_Array_0~0.base|))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (.cse0 (let ((.cse10 (concat (select .cse3 (bvadd (_ bv12 32) |c_~#double_Array_0~0.offset|)) (select .cse3 (bvadd (_ bv8 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse10) ((_ extract 62 52) .cse10) ((_ extract 51 0) .cse10)))) (.cse5 (let ((.cse9 (concat (select .cse3 (bvadd (_ bv20 32) |c_~#double_Array_0~0.offset|)) (select .cse3 (bvadd (_ bv16 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse9) ((_ extract 62 52) .cse9) ((_ extract 51 0) .cse9)))) (.cse8 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))))) (and (fp.leq .cse0 .cse1) (exists ((|v_skolemized_q#valueAsBitvector_46| (_ BitVec 64))) (let ((.cse2 (select .cse3 (bvadd (_ bv28 32) |c_~#double_Array_0~0.offset|))) (.cse4 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_46|))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_46|) .cse2) (= (select .cse3 (bvadd (_ bv24 32) |c_~#double_Array_0~0.offset|)) .cse4) (let ((.cse6 (let ((.cse7 (concat .cse2 .cse4))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))))) (fp.eq (fp.add roundNearestTiesToEven .cse0 (fp.add roundNearestTiesToEven .cse5 .cse6)) .cse6)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_46|)) (fp.sub roundNearestTiesToEven .cse0 .cse5))))) (fp.leq .cse5 .cse1) (fp.geq .cse0 .cse8) (exists ((|v_skolemized_q#valueAsBitvector_47| (_ BitVec 64))) (and (= (select .cse3 |c_~#double_Array_0~0.offset|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_47|)) (= (select .cse3 (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|)) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_47|)))) (fp.geq .cse5 .cse8)))) is different from false [2024-12-02 14:53:56,496 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:54:02,119 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:54:10,170 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:54:16,292 WARN L286 SmtUtils]: Spent 6.12s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:54:20,428 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:54:20,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 538 treesize of output 192 [2024-12-02 14:54:32,496 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:54:45,231 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:54:53,140 WARN L286 SmtUtils]: Spent 7.91s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:55:00,528 WARN L286 SmtUtils]: Spent 7.39s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:55:08,595 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:55:12,615 WARN L851 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_24 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_46| (_ BitVec 64)) (v_arrayElimCell_23 (_ BitVec 32)) (v_arrayElimCell_17 (_ BitVec 32)) (v_arrayElimCell_19 (_ BitVec 32))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (.cse0 (let ((.cse7 (concat v_arrayElimCell_24 v_arrayElimCell_23))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7)))) (.cse1 (let ((.cse6 (concat v_arrayElimCell_17 v_arrayElimCell_19))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6)))) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)))) (and (= (fp.sub roundNearestTiesToEven .cse0 .cse1) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_46|))) (fp.leq .cse0 .cse2) (fp.geq .cse0 .cse3) (fp.geq .cse1 .cse3) (let ((.cse4 (let ((.cse5 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_46|)))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))))) (fp.eq (fp.add roundNearestTiesToEven .cse0 (fp.add roundNearestTiesToEven .cse1 .cse4)) .cse4)) (fp.leq .cse1 .cse2)))) is different from false [2024-12-02 14:55:16,629 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_24 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_46| (_ BitVec 64)) (v_arrayElimCell_23 (_ BitVec 32)) (v_arrayElimCell_17 (_ BitVec 32)) (v_arrayElimCell_19 (_ BitVec 32))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (.cse0 (let ((.cse7 (concat v_arrayElimCell_24 v_arrayElimCell_23))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7)))) (.cse1 (let ((.cse6 (concat v_arrayElimCell_17 v_arrayElimCell_19))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6)))) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)))) (and (= (fp.sub roundNearestTiesToEven .cse0 .cse1) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_46|))) (fp.leq .cse0 .cse2) (fp.geq .cse0 .cse3) (fp.geq .cse1 .cse3) (let ((.cse4 (let ((.cse5 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_46|)))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))))) (fp.eq (fp.add roundNearestTiesToEven .cse0 (fp.add roundNearestTiesToEven .cse1 .cse4)) .cse4)) (fp.leq .cse1 .cse2)))) is different from true [2024-12-02 14:55:28,710 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:55:34,283 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:55:46,442 WARN L286 SmtUtils]: Spent 7.26s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:55:54,487 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:56:02,560 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:56:13,312 WARN L286 SmtUtils]: Spent 6.73s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:56:23,275 WARN L286 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:56:31,333 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:56:37,910 WARN L286 SmtUtils]: Spent 6.58s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:56:45,969 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:56:57,640 WARN L286 SmtUtils]: Spent 7.65s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:57:03,558 WARN L286 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:57:11,618 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:57:19,677 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:57:27,721 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:57:35,780 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:57:46,300 WARN L286 SmtUtils]: Spent 6.50s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:57:52,576 WARN L286 SmtUtils]: Spent 6.28s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:58:00,635 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:58:08,122 WARN L286 SmtUtils]: Spent 7.49s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:58:14,177 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:58:22,236 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:58:34,311 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:58:39,983 WARN L286 SmtUtils]: Spent 5.67s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:58:45,865 WARN L286 SmtUtils]: Spent 5.88s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:58:53,924 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:59:01,700 WARN L286 SmtUtils]: Spent 7.78s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:59:09,760 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:59:21,837 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:59:28,303 WARN L286 SmtUtils]: Spent 6.47s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:59:34,233 WARN L286 SmtUtils]: Spent 5.93s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:59:42,295 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:59:48,566 WARN L286 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:59:56,629 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:00:08,706 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:00:14,924 WARN L286 SmtUtils]: Spent 6.22s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:00:22,984 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:00:31,044 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:00:36,923 WARN L286 SmtUtils]: Spent 5.88s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:00:44,986 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:00:57,070 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:01:02,781 WARN L286 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:01:09,857 WARN L286 SmtUtils]: Spent 7.08s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:01:17,917 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:01:24,306 WARN L286 SmtUtils]: Spent 6.39s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:01:32,367 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:01:44,443 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:01:50,237 WARN L286 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:01:58,300 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:02:06,363 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:02:12,444 WARN L286 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:02:20,505 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:02:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 72 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 15:02:20,508 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:04:06,102 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:04:11,789 WARN L286 SmtUtils]: Spent 5.69s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:04:16,678 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_46| (_ BitVec 64))) (let ((.cse5 (select |c_#memory_int#2| |c_~#double_Array_0~0.base|))) (let ((.cse0 (let ((.cse6 (concat (select .cse5 (bvadd (_ bv12 32) |c_~#double_Array_0~0.offset|)) (select .cse5 (bvadd (_ bv8 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6)))) (.cse1 (let ((.cse4 (concat (select .cse5 (bvadd (_ bv20 32) |c_~#double_Array_0~0.offset|)) (select .cse5 (bvadd (_ bv16 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) (or (not (let ((.cse2 (let ((.cse3 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_46|)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) (fp.eq (fp.add c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode .cse1 .cse2)) .cse2))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_46|)) (fp.sub c_currentRoundingMode .cse0 .cse1))))))) is different from false [2024-12-02 15:04:20,709 WARN L873 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_46| (_ BitVec 64))) (let ((.cse5 (select |c_#memory_int#2| |c_~#double_Array_0~0.base|))) (let ((.cse0 (let ((.cse6 (concat (select .cse5 (bvadd (_ bv12 32) |c_~#double_Array_0~0.offset|)) (select .cse5 (bvadd (_ bv8 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6)))) (.cse1 (let ((.cse4 (concat (select .cse5 (bvadd (_ bv20 32) |c_~#double_Array_0~0.offset|)) (select .cse5 (bvadd (_ bv16 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) (or (not (let ((.cse2 (let ((.cse3 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_46|)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) (fp.eq (fp.add c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode .cse1 .cse2)) .cse2))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_46|)) (fp.sub c_currentRoundingMode .cse0 .cse1))))))) is different from true [2024-12-02 15:04:28,772 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:04:40,738 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:04:48,206 WARN L286 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:04:59,801 WARN L286 SmtUtils]: Spent 7.98s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:05:07,863 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:05:15,915 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:05:23,976 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:05:31,503 WARN L286 SmtUtils]: Spent 7.53s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:05:39,715 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:05:46,405 WARN L286 SmtUtils]: Spent 6.69s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:05:46,405 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:05:46,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696320667] [2024-12-02 15:05:46,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1696320667] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:05:46,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1967473321] [2024-12-02 15:05:46,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:05:46,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:05:46,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:05:46,413 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:05:46,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5a0ee4-10be-454f-865f-d32215796242/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-02 15:05:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:05:56,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-02 15:05:56,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:06:09,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17