./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.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_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 da6ef4fc5dac50b4d28cdb6a2651e875027ea78107a6a98d77f5bcb3b6ca789e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:36:45,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:36:45,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 11:36:45,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:36:45,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:36:45,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:36:45,195 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:36:45,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:36:45,196 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:36:45,196 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:36:45,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:36:45,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:36:45,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:36:45,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:36:45,197 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:36:45,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:36:45,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:36:45,197 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:36:45,197 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:36:45,197 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:36:45,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:36:45,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:36:45,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:36:45,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:36:45,198 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:36:45,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:36:45,198 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:36:45,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:36:45,198 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:36:45,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:36:45,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:36:45,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:36:45,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:36:45,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:36:45,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:36:45,199 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:36:45,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:36:45,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:36:45,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:36:45,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:36:45,199 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:36:45,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:36:45,199 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:36:45,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:36:45,199 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:36:45,199 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:36:45,200 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:36:45,200 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:36:45,200 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_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 -> da6ef4fc5dac50b4d28cdb6a2651e875027ea78107a6a98d77f5bcb3b6ca789e [2024-12-02 11:36:45,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:36:45,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:36:45,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:36:45,456 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:36:45,457 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:36:45,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i [2024-12-02 11:36:48,120 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/data/b0adff546/162979b399db4150a4295a86c7892c05/FLAG94c4e6c2e [2024-12-02 11:36:48,319 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:36:48,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i [2024-12-02 11:36:48,327 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/data/b0adff546/162979b399db4150a4295a86c7892c05/FLAG94c4e6c2e [2024-12-02 11:36:48,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/data/b0adff546/162979b399db4150a4295a86c7892c05 [2024-12-02 11:36:48,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:36:48,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:36:48,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:36:48,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:36:48,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:36:48,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:36:48" (1/1) ... [2024-12-02 11:36:48,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b646b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48, skipping insertion in model container [2024-12-02 11:36:48,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:36:48" (1/1) ... [2024-12-02 11:36:48,367 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:36:48,497 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_f0ad919e-e600-4aea-ae40-e539e489ee8b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i[916,929] [2024-12-02 11:36:48,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:36:48,570 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:36:48,579 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_f0ad919e-e600-4aea-ae40-e539e489ee8b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i[916,929] [2024-12-02 11:36:48,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:36:48,633 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:36:48,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48 WrapperNode [2024-12-02 11:36:48,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:36:48,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:36:48,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:36:48,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:36:48,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48" (1/1) ... [2024-12-02 11:36:48,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48" (1/1) ... [2024-12-02 11:36:48,680 INFO L138 Inliner]: procedures = 29, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 517 [2024-12-02 11:36:48,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:36:48,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:36:48,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:36:48,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:36:48,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48" (1/1) ... [2024-12-02 11:36:48,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48" (1/1) ... [2024-12-02 11:36:48,693 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48" (1/1) ... [2024-12-02 11:36:48,712 INFO L175 MemorySlicer]: Split 142 memory accesses to 7 slices as follows [2, 8, 23, 19, 39, 36, 15]. 27 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 1, 3, 3, 4, 4, 2]. The 20 writes are split as follows [0, 1, 3, 3, 5, 6, 2]. [2024-12-02 11:36:48,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48" (1/1) ... [2024-12-02 11:36:48,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48" (1/1) ... [2024-12-02 11:36:48,730 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48" (1/1) ... [2024-12-02 11:36:48,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48" (1/1) ... [2024-12-02 11:36:48,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48" (1/1) ... [2024-12-02 11:36:48,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48" (1/1) ... [2024-12-02 11:36:48,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48" (1/1) ... [2024-12-02 11:36:48,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:36:48,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:36:48,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:36:48,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:36:48,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48" (1/1) ... [2024-12-02 11:36:48,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:36:48,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:36:48,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:36:48,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:36:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:36:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 11:36:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 11:36:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 11:36:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 11:36:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 11:36:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 11:36:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-12-02 11:36:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:36:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 11:36:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 11:36:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 11:36:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 11:36:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 11:36:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 11:36:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 11:36:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 11:36:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 11:36:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 11:36:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 11:36:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 11:36:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-12-02 11:36:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:36:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 11:36:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 11:36:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 11:36:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 11:36:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 11:36:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 11:36:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 11:36:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 11:36:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 11:36:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 11:36:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 11:36:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 11:36:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-12-02 11:36:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:36:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:36:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:36:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:36:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:36:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:36:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 11:36:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 11:36:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 11:36:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:36:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:36:48,920 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:36:48,921 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:36:49,317 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-12-02 11:36:49,317 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:36:49,327 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:36:49,327 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:36:49,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:36:49 BoogieIcfgContainer [2024-12-02 11:36:49,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:36:49,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:36:49,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:36:49,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:36:49,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:36:48" (1/3) ... [2024-12-02 11:36:49,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d68dc4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:36:49, skipping insertion in model container [2024-12-02 11:36:49,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:48" (2/3) ... [2024-12-02 11:36:49,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d68dc4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:36:49, skipping insertion in model container [2024-12-02 11:36:49,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:36:49" (3/3) ... [2024-12-02 11:36:49,335 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-68.i [2024-12-02 11:36:49,346 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:36:49,347 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-68.i that has 2 procedures, 114 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:36:49,390 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:36:49,410 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;@3fcd1c72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:36:49,410 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:36:49,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 94 states have (on average 1.4148936170212767) internal successors, (133), 95 states have internal predecessors, (133), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:36:49,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 11:36:49,424 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:49,425 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:49,425 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:49,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:49,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1855113070, now seen corresponding path program 1 times [2024-12-02 11:36:49,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:49,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511652183] [2024-12-02 11:36:49,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:49,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 11:36:49,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:49,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511652183] [2024-12-02 11:36:49,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511652183] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:36:49,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409138118] [2024-12-02 11:36:49,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:49,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:36:49,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:36:49,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:36:49,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:36:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:49,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:36:49,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:36:49,992 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 11:36:49,993 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:36:49,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409138118] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:49,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:36:49,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 11:36:49,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56644680] [2024-12-02 11:36:49,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:49,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:36:49,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:50,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:36:50,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:36:50,019 INFO L87 Difference]: Start difference. First operand has 114 states, 94 states have (on average 1.4148936170212767) internal successors, (133), 95 states have internal predecessors, (133), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:36:50,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:50,046 INFO L93 Difference]: Finished difference Result 221 states and 345 transitions. [2024-12-02 11:36:50,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:36:50,048 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2024-12-02 11:36:50,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:50,055 INFO L225 Difference]: With dead ends: 221 [2024-12-02 11:36:50,055 INFO L226 Difference]: Without dead ends: 110 [2024-12-02 11:36:50,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 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 11:36:50,061 INFO L435 NwaCegarLoop]: 160 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, 160 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 11:36:50,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:36:50,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-12-02 11:36:50,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-12-02 11:36:50,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 91 states have (on average 1.3846153846153846) internal successors, (126), 91 states have internal predecessors, (126), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:36:50,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 160 transitions. [2024-12-02 11:36:50,100 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 160 transitions. Word has length 146 [2024-12-02 11:36:50,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:50,101 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 160 transitions. [2024-12-02 11:36:50,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:36:50,101 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 160 transitions. [2024-12-02 11:36:50,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 11:36:50,104 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:50,104 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:50,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:36:50,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 11:36:50,305 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:50,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:50,306 INFO L85 PathProgramCache]: Analyzing trace with hash 835025800, now seen corresponding path program 1 times [2024-12-02 11:36:50,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:50,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841923729] [2024-12-02 11:36:50,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:50,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:50,567 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:36:50,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:50,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841923729] [2024-12-02 11:36:50,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841923729] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:50,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:36:50,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:36:50,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580741343] [2024-12-02 11:36:50,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:50,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:36:50,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:50,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:36:50,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:36:50,571 INFO L87 Difference]: Start difference. First operand 110 states and 160 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:36:50,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:50,613 INFO L93 Difference]: Finished difference Result 219 states and 320 transitions. [2024-12-02 11:36:50,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:36:50,613 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2024-12-02 11:36:50,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:50,615 INFO L225 Difference]: With dead ends: 219 [2024-12-02 11:36:50,615 INFO L226 Difference]: Without dead ends: 112 [2024-12-02 11:36:50,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:36:50,616 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 0 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:50,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 463 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:36:50,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-12-02 11:36:50,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-12-02 11:36:50,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 93 states have internal predecessors, (128), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:36:50,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 162 transitions. [2024-12-02 11:36:50,628 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 162 transitions. Word has length 146 [2024-12-02 11:36:50,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:50,629 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 162 transitions. [2024-12-02 11:36:50,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:36:50,630 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 162 transitions. [2024-12-02 11:36:50,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 11:36:50,632 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:50,632 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:50,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:36:50,632 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:50,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:50,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1783077766, now seen corresponding path program 1 times [2024-12-02 11:36:50,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:50,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973376797] [2024-12-02 11:36:50,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:50,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:50,918 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 11:36:50,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:50,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973376797] [2024-12-02 11:36:50,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973376797] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:36:50,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524453051] [2024-12-02 11:36:50,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:50,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:36:50,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:36:50,921 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:36:50,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:36:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:51,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:36:51,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:36:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:36:51,213 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:36:51,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524453051] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:51,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:36:51,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-12-02 11:36:51,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633534147] [2024-12-02 11:36:51,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:51,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:36:51,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:51,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:36:51,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:36:51,215 INFO L87 Difference]: Start difference. First operand 112 states and 162 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:36:51,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:51,254 INFO L93 Difference]: Finished difference Result 224 states and 325 transitions. [2024-12-02 11:36:51,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:36:51,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-12-02 11:36:51,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:51,258 INFO L225 Difference]: With dead ends: 224 [2024-12-02 11:36:51,258 INFO L226 Difference]: Without dead ends: 115 [2024-12-02 11:36:51,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:36:51,260 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 1 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:51,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 460 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:36:51,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-12-02 11:36:51,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2024-12-02 11:36:51,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 95 states have (on average 1.368421052631579) internal successors, (130), 95 states have internal predecessors, (130), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:36:51,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2024-12-02 11:36:51,279 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 146 [2024-12-02 11:36:51,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:51,280 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2024-12-02 11:36:51,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:36:51,280 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2024-12-02 11:36:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 11:36:51,282 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:51,282 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:51,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 11:36:51,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:36:51,483 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:51,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:51,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1810824952, now seen corresponding path program 1 times [2024-12-02 11:36:51,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:51,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853704749] [2024-12-02 11:36:51,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:51,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:51,738 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 11:36:51,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:51,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853704749] [2024-12-02 11:36:51,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853704749] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:36:51,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554873367] [2024-12-02 11:36:51,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:51,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:36:51,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:36:51,741 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:36:51,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:36:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:51,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:36:52,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:36:52,034 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:36:52,034 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:36:52,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554873367] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:52,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:36:52,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-12-02 11:36:52,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828954107] [2024-12-02 11:36:52,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:52,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:36:52,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:52,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:36:52,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:36:52,036 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:36:52,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:52,062 INFO L93 Difference]: Finished difference Result 228 states and 329 transitions. [2024-12-02 11:36:52,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:36:52,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-12-02 11:36:52,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:52,065 INFO L225 Difference]: With dead ends: 228 [2024-12-02 11:36:52,065 INFO L226 Difference]: Without dead ends: 117 [2024-12-02 11:36:52,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:36:52,066 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 1 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:52,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 461 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:36:52,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-12-02 11:36:52,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 116. [2024-12-02 11:36:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 97 states have (on average 1.3608247422680413) internal successors, (132), 97 states have internal predecessors, (132), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:36:52,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 166 transitions. [2024-12-02 11:36:52,076 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 166 transitions. Word has length 146 [2024-12-02 11:36:52,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:52,077 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 166 transitions. [2024-12-02 11:36:52,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:36:52,078 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 166 transitions. [2024-12-02 11:36:52,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 11:36:52,080 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:52,080 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:52,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 11:36:52,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:36:52,281 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:52,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:52,281 INFO L85 PathProgramCache]: Analyzing trace with hash -35817590, now seen corresponding path program 1 times [2024-12-02 11:36:52,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:52,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924427367] [2024-12-02 11:36:52,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:52,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:52,601 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 11:36:52,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:52,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924427367] [2024-12-02 11:36:52,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924427367] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:36:52,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788137995] [2024-12-02 11:36:52,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:52,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:36:52,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:36:52,603 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:36:52,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 11:36:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:52,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:36:52,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:36:52,891 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:36:52,891 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:36:52,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788137995] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:52,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:36:52,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-12-02 11:36:52,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330618940] [2024-12-02 11:36:52,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:52,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:36:52,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:52,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:36:52,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:36:52,893 INFO L87 Difference]: Start difference. First operand 116 states and 166 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:36:52,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:52,916 INFO L93 Difference]: Finished difference Result 232 states and 333 transitions. [2024-12-02 11:36:52,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:36:52,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-12-02 11:36:52,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:52,918 INFO L225 Difference]: With dead ends: 232 [2024-12-02 11:36:52,918 INFO L226 Difference]: Without dead ends: 119 [2024-12-02 11:36:52,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:36:52,919 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 1 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:52,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 463 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:36:52,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-12-02 11:36:52,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2024-12-02 11:36:52,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:36:52,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 168 transitions. [2024-12-02 11:36:52,926 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 168 transitions. Word has length 146 [2024-12-02 11:36:52,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:52,927 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 168 transitions. [2024-12-02 11:36:52,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:36:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 168 transitions. [2024-12-02 11:36:52,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 11:36:52,929 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:52,929 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:52,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 11:36:53,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:36:53,129 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:53,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:53,130 INFO L85 PathProgramCache]: Analyzing trace with hash -33970548, now seen corresponding path program 1 times [2024-12-02 11:36:53,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:53,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218127202] [2024-12-02 11:36:53,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:53,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:53,347 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 11:36:53,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:53,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218127202] [2024-12-02 11:36:53,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218127202] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:36:53,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142661610] [2024-12-02 11:36:53,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:53,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:36:53,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:36:53,350 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:36:53,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 11:36:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:53,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:36:53,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:36:53,626 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:36:53,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:36:53,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142661610] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:53,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:36:53,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-12-02 11:36:53,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867550949] [2024-12-02 11:36:53,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:53,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:36:53,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:53,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:36:53,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:36:53,628 INFO L87 Difference]: Start difference. First operand 118 states and 168 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:36:53,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:53,660 INFO L93 Difference]: Finished difference Result 236 states and 337 transitions. [2024-12-02 11:36:53,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:36:53,661 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-12-02 11:36:53,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:53,662 INFO L225 Difference]: With dead ends: 236 [2024-12-02 11:36:53,662 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 11:36:53,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:36:53,663 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:53,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 613 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:36:53,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 11:36:53,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-12-02 11:36:53,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:36:53,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 171 transitions. [2024-12-02 11:36:53,670 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 171 transitions. Word has length 146 [2024-12-02 11:36:53,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:53,671 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 171 transitions. [2024-12-02 11:36:53,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:36:53,671 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 171 transitions. [2024-12-02 11:36:53,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 11:36:53,672 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:53,673 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:53,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 11:36:53,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-02 11:36:53,873 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:53,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:53,874 INFO L85 PathProgramCache]: Analyzing trace with hash 744211612, now seen corresponding path program 1 times [2024-12-02 11:36:53,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:53,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312481551] [2024-12-02 11:36:53,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:53,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:54,030 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 11:36:54,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:54,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312481551] [2024-12-02 11:36:54,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312481551] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:36:54,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104346623] [2024-12-02 11:36:54,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:54,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:36:54,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:36:54,032 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:36:54,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 11:36:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:54,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:36:54,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:36:54,325 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:36:54,325 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:36:54,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104346623] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:54,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:36:54,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-12-02 11:36:54,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264976510] [2024-12-02 11:36:54,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:54,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:36:54,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:54,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:36:54,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:36:54,326 INFO L87 Difference]: Start difference. First operand 121 states and 171 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:36:54,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:54,359 INFO L93 Difference]: Finished difference Result 242 states and 343 transitions. [2024-12-02 11:36:54,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:36:54,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-12-02 11:36:54,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:54,361 INFO L225 Difference]: With dead ends: 242 [2024-12-02 11:36:54,361 INFO L226 Difference]: Without dead ends: 124 [2024-12-02 11:36:54,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:36:54,362 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:54,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 618 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:36:54,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-12-02 11:36:54,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2024-12-02 11:36:54,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 103 states have internal predecessors, (138), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:36:54,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 172 transitions. [2024-12-02 11:36:54,368 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 172 transitions. Word has length 146 [2024-12-02 11:36:54,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:54,368 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 172 transitions. [2024-12-02 11:36:54,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:36:54,368 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 172 transitions. [2024-12-02 11:36:54,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 11:36:54,370 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:54,370 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:54,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 11:36:54,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-12-02 11:36:54,570 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:54,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:54,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1616295793, now seen corresponding path program 1 times [2024-12-02 11:36:54,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:54,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071100305] [2024-12-02 11:36:54,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:54,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:54,779 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:36:54,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:54,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071100305] [2024-12-02 11:36:54,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071100305] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:54,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:36:54,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:36:54,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276302630] [2024-12-02 11:36:54,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:54,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:36:54,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:54,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:36:54,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:36:54,781 INFO L87 Difference]: Start difference. First operand 122 states and 172 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:36:54,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:54,794 INFO L93 Difference]: Finished difference Result 241 states and 341 transitions. [2024-12-02 11:36:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:36:54,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2024-12-02 11:36:54,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:54,796 INFO L225 Difference]: With dead ends: 241 [2024-12-02 11:36:54,796 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 11:36:54,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:36:54,797 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 0 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:54,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 313 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:36:54,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 11:36:54,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-12-02 11:36:54,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 103 states have (on average 1.3300970873786409) internal successors, (137), 103 states have internal predecessors, (137), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:36:54,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 171 transitions. [2024-12-02 11:36:54,802 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 171 transitions. Word has length 148 [2024-12-02 11:36:54,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:54,803 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 171 transitions. [2024-12-02 11:36:54,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:36:54,803 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 171 transitions. [2024-12-02 11:36:54,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 11:36:54,804 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:54,804 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:54,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 11:36:54,804 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:54,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:54,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1678335407, now seen corresponding path program 1 times [2024-12-02 11:36:54,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:54,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096910862] [2024-12-02 11:36:54,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:54,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 11:36:54,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1647858036] [2024-12-02 11:36:54,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:54,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:36:54,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:36:54,917 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:36:54,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 11:36:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:36:55,257 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:36:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:36:55,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 11:36:55,543 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 11:36:55,544 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 11:36:55,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 11:36:55,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:36:55,749 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:55,832 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:36:55,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:36:55 BoogieIcfgContainer [2024-12-02 11:36:55,835 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:36:55,835 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:36:55,835 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:36:55,835 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:36:55,836 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:36:49" (3/4) ... [2024-12-02 11:36:55,837 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 11:36:55,838 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:36:55,839 INFO L158 Benchmark]: Toolchain (without parser) took 7496.52ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 116.8MB in the beginning and 122.5MB in the end (delta: -5.7MB). Peak memory consumption was 204.4MB. Max. memory is 16.1GB. [2024-12-02 11:36:55,839 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:36:55,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.04ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 101.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:36:55,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.78ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 97.7MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:36:55,839 INFO L158 Benchmark]: Boogie Preprocessor took 64.04ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 93.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:36:55,840 INFO L158 Benchmark]: RCFGBuilder took 582.69ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 60.1MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 11:36:55,840 INFO L158 Benchmark]: TraceAbstraction took 6505.20ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 59.4MB in the beginning and 122.6MB in the end (delta: -63.2MB). Peak memory consumption was 145.7MB. Max. memory is 16.1GB. [2024-12-02 11:36:55,840 INFO L158 Benchmark]: Witness Printer took 2.82ms. Allocated memory is still 352.3MB. Free memory was 122.6MB in the beginning and 122.5MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:36:55,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.04ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 101.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.78ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 97.7MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.04ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 93.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 582.69ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 60.1MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6505.20ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 59.4MB in the beginning and 122.6MB in the end (delta: -63.2MB). Peak memory consumption was 145.7MB. Max. memory is 16.1GB. * Witness Printer took 2.82ms. Allocated memory is still 352.3MB. Free memory was 122.6MB in the beginning and 122.5MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 81. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25-L27] double double_Array_0[3] = { 999.8, 25.5, 9999999999999.729 }; [L25-L27] double double_Array_0[3] = { 999.8, 25.5, 9999999999999.729 }; [L25-L27] double double_Array_0[3] = { 999.8, 25.5, 9999999999999.729 }; [L25-L27] double double_Array_0[3] = { 999.8, 25.5, 9999999999999.729 }; [L28-L30] float float_Array_0[3] = { 32.375, 16.8, 64.5 }; [L28-L30] float float_Array_0[3] = { 32.375, 16.8, 64.5 }; [L28-L30] float float_Array_0[3] = { 32.375, 16.8, 64.5 }; [L28-L30] float float_Array_0[3] = { 32.375, 16.8, 64.5 }; [L31-L33] signed long int signed_long_int_Array_0[2][2] = { {10, 5}, {-10, 32} }; [L31-L33] signed long int signed_long_int_Array_0[2][2] = { {10, 5}, {-10, 32} }; [L31-L33] signed long int signed_long_int_Array_0[2][2] = { {10, 5}, {-10, 32} }; [L31-L33] signed long int signed_long_int_Array_0[2][2] = { {10, 5}, {-10, 32} }; [L31-L33] signed long int signed_long_int_Array_0[2][2] = { {10, 5}, {-10, 32} }; [L34-L36] signed short int signed_short_int_Array_0[2][2] = { {-25, -64}, {-8, 0} }; [L34-L36] signed short int signed_short_int_Array_0[2][2] = { {-25, -64}, {-8, 0} }; [L34-L36] signed short int signed_short_int_Array_0[2][2] = { {-25, -64}, {-8, 0} }; [L34-L36] signed short int signed_short_int_Array_0[2][2] = { {-25, -64}, {-8, 0} }; [L34-L36] signed short int signed_short_int_Array_0[2][2] = { {-25, -64}, {-8, 0} }; [L37-L39] unsigned long int unsigned_long_int_Array_0[2] = { 0, 8 }; [L37-L39] unsigned long int unsigned_long_int_Array_0[2] = { 0, 8 }; [L37-L39] unsigned long int unsigned_long_int_Array_0[2] = { 0, 8 }; [L40] signed long int last_1_signed_long_int_Array_0_0__1_ = 5; [L41] signed short int last_1_signed_short_int_Array_0_0__0_ = -25; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L112] isInitial = 1 [L113] FCALL initially() [L115] CALL updateLastVariables() [L104] EXPR signed_long_int_Array_0[0][1] [L104] last_1_signed_long_int_Array_0_0__1_ = signed_long_int_Array_0[0][1] [L105] EXPR signed_short_int_Array_0[0][0] [L105] last_1_signed_short_int_Array_0_0__0_ = signed_short_int_Array_0[0][0] [L115] RET updateLastVariables() [L116] CALL updateVariables() [L75] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L76] 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}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L76] 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}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L77] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L77] 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}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L77] 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}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L78] double_Array_0[0] = __VERIFIER_nondet_double() [L79] EXPR double_Array_0[0] [L79] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L79] EXPR double_Array_0[0] [L79] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L80] double_Array_0[2] = __VERIFIER_nondet_double() [L81] EXPR double_Array_0[2] [L81] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L81] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F [L81] EXPR double_Array_0[2] [L81] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L81] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L81] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L81] CALL assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L81] RET assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] float_Array_0[1] = __VERIFIER_nondet_float() [L83] EXPR float_Array_0[1] [L83] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L83] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F [L83] EXPR float_Array_0[1] [L83] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L83] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L83] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L83] CALL assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L83] RET assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L84] float_Array_0[2] = __VERIFIER_nondet_float() [L85] EXPR float_Array_0[2] [L85] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F [L85] EXPR float_Array_0[2] [L85] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] EXPR (float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] EXPR (float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] CALL assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] RET assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] signed_long_int_Array_0[0][0] = __VERIFIER_nondet_long() [L87] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L87] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L87] RET assume_abort_if_not(signed_long_int_Array_0[0][0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L88] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L88] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L88] RET assume_abort_if_not(signed_long_int_Array_0[0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L89] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L89] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L89] RET assume_abort_if_not(signed_long_int_Array_0[0][0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L90] signed_short_int_Array_0[1][0] = __VERIFIER_nondet_short() [L91] EXPR signed_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L91] CALL assume_abort_if_not(signed_short_int_Array_0[1][0] >= -16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L91] RET assume_abort_if_not(signed_short_int_Array_0[1][0] >= -16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR signed_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] CALL assume_abort_if_not(signed_short_int_Array_0[1][0] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] RET assume_abort_if_not(signed_short_int_Array_0[1][0] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L93] signed_short_int_Array_0[0][1] = __VERIFIER_nondet_short() [L94] EXPR signed_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L94] CALL assume_abort_if_not(signed_short_int_Array_0[0][1] >= -8191) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L94] RET assume_abort_if_not(signed_short_int_Array_0[0][1] >= -8191) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L95] EXPR signed_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L95] CALL assume_abort_if_not(signed_short_int_Array_0[0][1] <= 8192) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L95] RET assume_abort_if_not(signed_short_int_Array_0[0][1] <= 8192) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L96] signed_short_int_Array_0[1][1] = __VERIFIER_nondet_short() [L97] EXPR signed_short_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L97] CALL assume_abort_if_not(signed_short_int_Array_0[1][1] >= -8191) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L97] RET assume_abort_if_not(signed_short_int_Array_0[1][1] >= -8191) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L98] EXPR signed_short_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L98] CALL assume_abort_if_not(signed_short_int_Array_0[1][1] <= 8191) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L98] RET assume_abort_if_not(signed_short_int_Array_0[1][1] <= 8191) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L99] unsigned_long_int_Array_0[1] = __VERIFIER_nondet_ulong() [L100] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L100] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L100] RET assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L101] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L101] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L101] RET assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L116] RET updateVariables() [L117] CALL step() [L45] EXPR signed_long_int_Array_0[0][0] [L45] signed long int stepLocal_2 = signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_; [L46] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L46] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L53] EXPR signed_short_int_Array_0[1][1] [L53] signed_short_int_Array_0[0][0] = signed_short_int_Array_0[1][1] [L55] EXPR signed_short_int_Array_0[0][0] [L55] EXPR signed_short_int_Array_0[0][1] [L55] signed_long_int_Array_0[0][1] = (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1]) [L56] EXPR unsigned_long_int_Array_0[1] [L56] unsigned_long_int_Array_0[0] = unsigned_long_int_Array_0[1] [L57] EXPR double_Array_0[0] [L57] float_Array_0[0] = double_Array_0[0] [L58] EXPR signed_long_int_Array_0[0][1] [L58] signed_long_int_Array_0[1][0] = signed_long_int_Array_0[0][1] [L59] EXPR signed_long_int_Array_0[0][1] [L59] signed long int stepLocal_1 = signed_long_int_Array_0[0][1]; [L60] EXPR signed_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L60] COND FALSE !(stepLocal_1 != signed_long_int_Array_0[1][0]) [L63] EXPR unsigned_long_int_Array_0[0] [L63] EXPR signed_long_int_Array_0[1][0] [L63] unsigned long int stepLocal_0 = unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]; [L64] EXPR float_Array_0[2] [L64] EXPR float_Array_0[1] [L64] EXPR double_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L64] COND FALSE !((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) [L69] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L69] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR float_Array_0[2] [L108] EXPR float_Array_0[1] [L108] EXPR double_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR ((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1) [L108] EXPR unsigned_long_int_Array_0[0] [L108] EXPR signed_long_int_Array_0[1][0] [L108] EXPR signed_short_int_Array_0[0][0] [L108] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR ((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1 [L108] EXPR signed_long_int_Array_0[1][1] [L108] EXPR signed_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR ((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]) [L108] EXPR signed_long_int_Array_0[1][0] [L108] EXPR ((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR ((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR ((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR (((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR (((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR ((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR ((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR (((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR (((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR ((((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_long_int_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR ((((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_long_int_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR (((((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_long_int_Array_0[1]))) && (float_Array_0[0] == ((float) double_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR (((((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_long_int_Array_0[1]))) && (float_Array_0[0] == ((float) double_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR ((((((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_long_int_Array_0[1]))) && (float_Array_0[0] == ((float) double_Array_0[0]))) && (signed_long_int_Array_0[1][0] == ((signed long int) signed_long_int_Array_0[0][1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108] EXPR ((((((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_long_int_Array_0[1]))) && (float_Array_0[0] == ((float) double_Array_0[0]))) && (signed_long_int_Array_0[1][0] == ((signed long int) signed_long_int_Array_0[0][1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L108-L109] return ((((((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_long_int_Array_0[1]))) && (float_Array_0[0] == ((float) double_Array_0[0]))) && (signed_long_int_Array_0[1][0] == ((signed long int) signed_long_int_Array_0[0][1])) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 9, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 3551 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2288 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 124 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1263 mSDtfsCounter, 124 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 920 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=7, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 5 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2342 NumberOfCodeBlocks, 2342 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2032 ConstructedInterpolants, 0 QuantifiedInterpolants, 2120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3201 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 7344/7616 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 11:36:55,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 da6ef4fc5dac50b4d28cdb6a2651e875027ea78107a6a98d77f5bcb3b6ca789e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:36:57,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:36:57,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 11:36:57,849 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:36:57,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:36:57,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:36:57,871 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:36:57,871 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:36:57,871 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:36:57,871 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:36:57,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:36:57,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:36:57,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:36:57,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:36:57,872 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:36:57,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:36:57,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:36:57,872 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:36:57,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:36:57,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:36:57,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:36:57,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:36:57,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:36:57,873 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 11:36:57,873 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 11:36:57,873 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 11:36:57,873 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:36:57,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:36:57,873 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:36:57,873 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:36:57,873 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:36:57,873 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:36:57,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:36:57,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:36:57,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:36:57,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:36:57,874 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:36:57,874 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:36:57,874 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:36:57,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:36:57,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:36:57,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:36:57,874 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:36:57,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:36:57,874 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 11:36:57,874 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 11:36:57,875 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:36:57,875 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:36:57,875 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:36:57,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:36:57,875 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_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 -> da6ef4fc5dac50b4d28cdb6a2651e875027ea78107a6a98d77f5bcb3b6ca789e [2024-12-02 11:36:58,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:36:58,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:36:58,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:36:58,120 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:36:58,120 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:36:58,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i [2024-12-02 11:37:00,738 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/data/b014382e2/757400315a454a5bb708eeef717d4ba2/FLAGa5374fbd4 [2024-12-02 11:37:00,972 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:37:00,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i [2024-12-02 11:37:00,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/data/b014382e2/757400315a454a5bb708eeef717d4ba2/FLAGa5374fbd4 [2024-12-02 11:37:01,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/data/b014382e2/757400315a454a5bb708eeef717d4ba2 [2024-12-02 11:37:01,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:37:01,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:37:01,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:37:01,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:37:01,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:37:01,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:37:01" (1/1) ... [2024-12-02 11:37:01,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7c8f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01, skipping insertion in model container [2024-12-02 11:37:01,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:37:01" (1/1) ... [2024-12-02 11:37:01,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:37:01,443 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_f0ad919e-e600-4aea-ae40-e539e489ee8b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i[916,929] [2024-12-02 11:37:01,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:37:01,510 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:37:01,519 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_f0ad919e-e600-4aea-ae40-e539e489ee8b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i[916,929] [2024-12-02 11:37:01,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:37:01,587 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:37:01,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01 WrapperNode [2024-12-02 11:37:01,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:37:01,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:37:01,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:37:01,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:37:01,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01" (1/1) ... [2024-12-02 11:37:01,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01" (1/1) ... [2024-12-02 11:37:01,642 INFO L138 Inliner]: procedures = 39, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 513 [2024-12-02 11:37:01,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:37:01,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:37:01,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:37:01,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:37:01,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01" (1/1) ... [2024-12-02 11:37:01,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01" (1/1) ... [2024-12-02 11:37:01,654 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01" (1/1) ... [2024-12-02 11:37:01,674 INFO L175 MemorySlicer]: Split 142 memory accesses to 7 slices as follows [2, 8, 23, 19, 39, 36, 15]. 27 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 1, 3, 3, 4, 4, 2]. The 20 writes are split as follows [0, 1, 3, 3, 5, 6, 2]. [2024-12-02 11:37:01,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01" (1/1) ... [2024-12-02 11:37:01,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01" (1/1) ... [2024-12-02 11:37:01,702 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01" (1/1) ... [2024-12-02 11:37:01,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01" (1/1) ... [2024-12-02 11:37:01,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01" (1/1) ... [2024-12-02 11:37:01,713 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01" (1/1) ... [2024-12-02 11:37:01,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01" (1/1) ... [2024-12-02 11:37:01,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:37:01,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:37:01,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:37:01,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:37:01,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01" (1/1) ... [2024-12-02 11:37:01,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:37:01,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:37:01,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:37:01,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-12-02 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-12-02 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-12-02 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-12-02 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-12-02 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 11:37:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 11:37:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-12-02 11:37:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-12-02 11:37:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-12-02 11:37:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-12-02 11:37:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-12-02 11:37:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 11:37:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 11:37:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 11:37:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-12-02 11:37:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 11:37:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 11:37:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-02 11:37:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-12-02 11:37:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 11:37:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 11:37:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 11:37:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 11:37:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 11:37:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-02 11:37:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-12-02 11:37:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 11:37:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 11:37:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 11:37:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 11:37:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 11:37:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-02 11:37:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-12-02 11:37:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:37:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:37:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:37:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:37:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 11:37:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 11:37:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 11:37:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 11:37:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-12-02 11:37:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-12-02 11:37:01,967 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:37:01,969 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:37:03,921 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-12-02 11:37:03,921 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:37:03,930 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:37:03,931 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:37:03,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:37:03 BoogieIcfgContainer [2024-12-02 11:37:03,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:37:03,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:37:03,933 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:37:03,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:37:03,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:37:01" (1/3) ... [2024-12-02 11:37:03,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e06a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:37:03, skipping insertion in model container [2024-12-02 11:37:03,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:01" (2/3) ... [2024-12-02 11:37:03,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e06a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:37:03, skipping insertion in model container [2024-12-02 11:37:03,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:37:03" (3/3) ... [2024-12-02 11:37:03,938 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-68.i [2024-12-02 11:37:03,949 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:37:03,950 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-68.i that has 2 procedures, 114 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:37:03,989 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:37:03,999 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;@47f0d048, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:37:03,999 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:37:04,002 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 94 states have (on average 1.4148936170212767) internal successors, (133), 95 states have internal predecessors, (133), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:37:04,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 11:37:04,011 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:04,012 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:04,012 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:04,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:04,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1855113070, now seen corresponding path program 1 times [2024-12-02 11:37:04,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:37:04,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065337904] [2024-12-02 11:37:04,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:04,027 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 11:37:04,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:37:04,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:04,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:04,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:37:04,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:37:04,626 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-12-02 11:37:04,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:37:04,626 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:37:04,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065337904] [2024-12-02 11:37:04,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065337904] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:04,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:04,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:37:04,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373955011] [2024-12-02 11:37:04,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:04,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:37:04,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:37:04,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:37:04,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:37:04,654 INFO L87 Difference]: Start difference. First operand has 114 states, 94 states have (on average 1.4148936170212767) internal successors, (133), 95 states have internal predecessors, (133), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:37:04,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:04,682 INFO L93 Difference]: Finished difference Result 221 states and 345 transitions. [2024-12-02 11:37:04,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:37:04,684 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2024-12-02 11:37:04,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:04,690 INFO L225 Difference]: With dead ends: 221 [2024-12-02 11:37:04,691 INFO L226 Difference]: Without dead ends: 110 [2024-12-02 11:37:04,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 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 11:37:04,696 INFO L435 NwaCegarLoop]: 160 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, 160 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 11:37:04,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:37:04,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-12-02 11:37:04,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-12-02 11:37:04,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 91 states have (on average 1.3846153846153846) internal successors, (126), 91 states have internal predecessors, (126), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:37:04,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 160 transitions. [2024-12-02 11:37:04,735 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 160 transitions. Word has length 146 [2024-12-02 11:37:04,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:04,736 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 160 transitions. [2024-12-02 11:37:04,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:37:04,736 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 160 transitions. [2024-12-02 11:37:04,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 11:37:04,739 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:04,739 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:04,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:04,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:04,940 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:04,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:04,941 INFO L85 PathProgramCache]: Analyzing trace with hash 835025800, now seen corresponding path program 1 times [2024-12-02 11:37:04,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:37:04,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120171247] [2024-12-02 11:37:04,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:04,942 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 11:37:04,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:37:04,943 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:04,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:05,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:37:05,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:37:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-12-02 11:37:05,595 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:37:05,595 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:37:05,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120171247] [2024-12-02 11:37:05,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120171247] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:05,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:05,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:37:05,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535898626] [2024-12-02 11:37:05,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:05,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:37:05,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:37:05,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:37:05,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:37:05,598 INFO L87 Difference]: Start difference. First operand 110 states and 160 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:37:05,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:05,670 INFO L93 Difference]: Finished difference Result 219 states and 320 transitions. [2024-12-02 11:37:05,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:37:05,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2024-12-02 11:37:05,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:05,672 INFO L225 Difference]: With dead ends: 219 [2024-12-02 11:37:05,672 INFO L226 Difference]: Without dead ends: 112 [2024-12-02 11:37:05,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:37:05,673 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 0 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:05,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 463 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:37:05,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-12-02 11:37:05,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-12-02 11:37:05,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 93 states have internal predecessors, (128), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:37:05,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 162 transitions. [2024-12-02 11:37:05,682 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 162 transitions. Word has length 146 [2024-12-02 11:37:05,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:05,682 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 162 transitions. [2024-12-02 11:37:05,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:37:05,683 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 162 transitions. [2024-12-02 11:37:05,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 11:37:05,684 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:05,684 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:05,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:05,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:05,885 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:05,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:05,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1783077766, now seen corresponding path program 1 times [2024-12-02 11:37:05,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:37:05,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622140055] [2024-12-02 11:37:05,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:05,886 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 11:37:05,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:37:05,888 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:05,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:06,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:37:06,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:37:06,523 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:37:06,523 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:37:06,523 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:37:06,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [622140055] [2024-12-02 11:37:06,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [622140055] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:06,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:06,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:37:06,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507473638] [2024-12-02 11:37:06,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:06,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:37:06,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:37:06,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:37:06,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:37:06,525 INFO L87 Difference]: Start difference. First operand 112 states and 162 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:37:06,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:06,579 INFO L93 Difference]: Finished difference Result 224 states and 325 transitions. [2024-12-02 11:37:06,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:37:06,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-12-02 11:37:06,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:06,582 INFO L225 Difference]: With dead ends: 224 [2024-12-02 11:37:06,582 INFO L226 Difference]: Without dead ends: 115 [2024-12-02 11:37:06,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:37:06,584 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:06,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 613 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:37:06,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-12-02 11:37:06,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-12-02 11:37:06,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 96 states have internal predecessors, (131), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:37:06,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 165 transitions. [2024-12-02 11:37:06,594 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 165 transitions. Word has length 146 [2024-12-02 11:37:06,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:06,595 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 165 transitions. [2024-12-02 11:37:06,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:37:06,595 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 165 transitions. [2024-12-02 11:37:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 11:37:06,597 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:06,598 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:06,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:06,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:06,798 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:06,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:06,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1733707370, now seen corresponding path program 1 times [2024-12-02 11:37:06,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:37:06,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076204340] [2024-12-02 11:37:06,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:06,800 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 11:37:06,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:37:06,802 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:06,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:07,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:37:07,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:37:07,324 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:37:07,325 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:37:07,325 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:37:07,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076204340] [2024-12-02 11:37:07,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076204340] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:07,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:07,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:37:07,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652409149] [2024-12-02 11:37:07,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:07,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:37:07,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:37:07,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:37:07,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:37:07,327 INFO L87 Difference]: Start difference. First operand 115 states and 165 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:37:07,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:07,387 INFO L93 Difference]: Finished difference Result 230 states and 331 transitions. [2024-12-02 11:37:07,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:37:07,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-12-02 11:37:07,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:07,389 INFO L225 Difference]: With dead ends: 230 [2024-12-02 11:37:07,389 INFO L226 Difference]: Without dead ends: 118 [2024-12-02 11:37:07,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:37:07,390 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:07,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 618 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:37:07,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-12-02 11:37:07,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2024-12-02 11:37:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 97 states have (on average 1.3608247422680413) internal successors, (132), 97 states have internal predecessors, (132), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:37:07,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 166 transitions. [2024-12-02 11:37:07,399 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 166 transitions. Word has length 146 [2024-12-02 11:37:07,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:07,400 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 166 transitions. [2024-12-02 11:37:07,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:37:07,400 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 166 transitions. [2024-12-02 11:37:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 11:37:07,402 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:07,402 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:07,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:07,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:07,603 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:07,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:07,603 INFO L85 PathProgramCache]: Analyzing trace with hash -861623189, now seen corresponding path program 1 times [2024-12-02 11:37:07,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:37:07,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1131755604] [2024-12-02 11:37:07,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:07,604 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 11:37:07,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:37:07,606 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:07,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:08,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:37:08,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:37:08,160 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:37:08,160 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:37:08,160 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:37:08,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1131755604] [2024-12-02 11:37:08,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1131755604] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:08,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:08,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:37:08,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896809703] [2024-12-02 11:37:08,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:08,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:37:08,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:37:08,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:37:08,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:37:08,162 INFO L87 Difference]: Start difference. First operand 116 states and 166 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:37:08,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:08,221 INFO L93 Difference]: Finished difference Result 234 states and 336 transitions. [2024-12-02 11:37:08,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:37:08,222 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2024-12-02 11:37:08,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:08,223 INFO L225 Difference]: With dead ends: 234 [2024-12-02 11:37:08,223 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 11:37:08,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:37:08,225 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 1 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:08,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 604 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:37:08,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 11:37:08,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-12-02 11:37:08,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:37:08,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 170 transitions. [2024-12-02 11:37:08,234 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 170 transitions. Word has length 148 [2024-12-02 11:37:08,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:08,234 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 170 transitions. [2024-12-02 11:37:08,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:37:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 170 transitions. [2024-12-02 11:37:08,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 11:37:08,236 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:08,236 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:08,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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)] Ended with exit code 0 [2024-12-02 11:37:08,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:08,437 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:08,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:08,437 INFO L85 PathProgramCache]: Analyzing trace with hash -160558611, now seen corresponding path program 1 times [2024-12-02 11:37:08,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:37:08,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1323835052] [2024-12-02 11:37:08,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:08,438 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 11:37:08,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:37:08,440 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:08,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 11:37:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:08,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:37:08,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:37:08,990 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:37:08,990 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:37:08,990 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:37:08,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1323835052] [2024-12-02 11:37:08,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1323835052] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:08,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:08,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:37:08,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801613586] [2024-12-02 11:37:08,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:08,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:37:08,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:37:08,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:37:08,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:37:08,992 INFO L87 Difference]: Start difference. First operand 120 states and 170 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:37:09,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:09,173 INFO L93 Difference]: Finished difference Result 242 states and 344 transitions. [2024-12-02 11:37:09,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:37:09,174 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2024-12-02 11:37:09,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:09,175 INFO L225 Difference]: With dead ends: 242 [2024-12-02 11:37:09,175 INFO L226 Difference]: Without dead ends: 125 [2024-12-02 11:37:09,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:37:09,176 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 1 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:09,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 882 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:37:09,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-12-02 11:37:09,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2024-12-02 11:37:09,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.3333333333333333) internal successors, (140), 105 states have internal predecessors, (140), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:37:09,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 174 transitions. [2024-12-02 11:37:09,184 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 174 transitions. Word has length 148 [2024-12-02 11:37:09,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:09,184 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 174 transitions. [2024-12-02 11:37:09,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:37:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 174 transitions. [2024-12-02 11:37:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 11:37:09,186 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:09,186 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:09,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-12-02 11:37:09,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:09,387 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:09,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:09,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1614448751, now seen corresponding path program 1 times [2024-12-02 11:37:09,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:37:09,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899550718] [2024-12-02 11:37:09,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:09,388 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 11:37:09,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:37:09,390 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:09,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-12-02 11:37:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:09,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 11:37:09,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:37:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:37:09,920 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:37:09,920 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:37:09,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899550718] [2024-12-02 11:37:09,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899550718] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:09,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:09,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 11:37:09,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487430125] [2024-12-02 11:37:09,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:09,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 11:37:09,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:37:09,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 11:37:09,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:37:09,922 INFO L87 Difference]: Start difference. First operand 124 states and 174 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:37:10,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:10,121 INFO L93 Difference]: Finished difference Result 248 states and 349 transitions. [2024-12-02 11:37:10,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 11:37:10,121 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2024-12-02 11:37:10,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:10,122 INFO L225 Difference]: With dead ends: 248 [2024-12-02 11:37:10,122 INFO L226 Difference]: Without dead ends: 127 [2024-12-02 11:37:10,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:37:10,123 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:10,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1021 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:37:10,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-12-02 11:37:10,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 126. [2024-12-02 11:37:10,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 107 states have internal predecessors, (142), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:37:10,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 176 transitions. [2024-12-02 11:37:10,129 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 176 transitions. Word has length 148 [2024-12-02 11:37:10,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:10,129 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 176 transitions. [2024-12-02 11:37:10,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:37:10,130 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2024-12-02 11:37:10,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 11:37:10,131 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:10,131 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:10,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-12-02 11:37:10,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:10,332 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:10,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:10,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1616295793, now seen corresponding path program 1 times [2024-12-02 11:37:10,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:37:10,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [841689316] [2024-12-02 11:37:10,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:10,333 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 11:37:10,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:37:10,334 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:10,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (9)] Waiting until timeout for monitored process [2024-12-02 11:37:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:10,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:37:10,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:37:10,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:37:10,897 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 155 treesize of output 65 [2024-12-02 11:37:10,927 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-12-02 11:37:10,927 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:37:10,927 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:37:10,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [841689316] [2024-12-02 11:37:10,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [841689316] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:10,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:10,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:37:10,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814853646] [2024-12-02 11:37:10,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:10,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:37:10,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:37:10,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:37:10,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:37:10,929 INFO L87 Difference]: Start difference. First operand 126 states and 176 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:37:12,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:12,891 INFO L93 Difference]: Finished difference Result 249 states and 349 transitions. [2024-12-02 11:37:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:37:12,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2024-12-02 11:37:12,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:12,897 INFO L225 Difference]: With dead ends: 249 [2024-12-02 11:37:12,897 INFO L226 Difference]: Without dead ends: 126 [2024-12-02 11:37:12,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:37:12,897 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 147 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:12,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 496 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 11:37:12,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-12-02 11:37:12,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2024-12-02 11:37:12,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.3238095238095238) internal successors, (139), 105 states have internal predecessors, (139), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:37:12,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 173 transitions. [2024-12-02 11:37:12,904 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 173 transitions. Word has length 148 [2024-12-02 11:37:12,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:12,904 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 173 transitions. [2024-12-02 11:37:12,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:37:12,904 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 173 transitions. [2024-12-02 11:37:12,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 11:37:12,905 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:12,905 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:12,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (9)] Ended with exit code 0 [2024-12-02 11:37:13,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:13,105 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:13,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:13,106 INFO L85 PathProgramCache]: Analyzing trace with hash 185011257, now seen corresponding path program 1 times [2024-12-02 11:37:13,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:37:13,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [444597617] [2024-12-02 11:37:13,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:13,107 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 11:37:13,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:37:13,108 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:13,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 11:37:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:13,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 11:37:13,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:37:13,724 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:37:13,725 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 154 treesize of output 64 [2024-12-02 11:37:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 168 proven. 8 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-12-02 11:37:13,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:37:14,056 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:37:14,056 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 98 treesize of output 1 [2024-12-02 11:37:14,065 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 11:37:14,065 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:37:14,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [444597617] [2024-12-02 11:37:14,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [444597617] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:37:14,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:37:14,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-12-02 11:37:14,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917190798] [2024-12-02 11:37:14,066 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:37:14,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 11:37:14,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:37:14,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 11:37:14,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 11:37:14,067 INFO L87 Difference]: Start difference. First operand 124 states and 173 transitions. Second operand has 12 states, 11 states have (on average 8.181818181818182) internal successors, (90), 12 states have internal predecessors, (90), 4 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2024-12-02 11:37:16,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:16,963 INFO L93 Difference]: Finished difference Result 258 states and 358 transitions. [2024-12-02 11:37:16,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 11:37:16,967 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.181818181818182) internal successors, (90), 12 states have internal predecessors, (90), 4 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) Word has length 150 [2024-12-02 11:37:16,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:16,968 INFO L225 Difference]: With dead ends: 258 [2024-12-02 11:37:16,968 INFO L226 Difference]: Without dead ends: 126 [2024-12-02 11:37:16,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-12-02 11:37:16,969 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 146 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:16,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 828 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-12-02 11:37:16,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-12-02 11:37:16,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2024-12-02 11:37:16,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.3047619047619048) internal successors, (137), 105 states have internal predecessors, (137), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:37:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 171 transitions. [2024-12-02 11:37:16,974 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 171 transitions. Word has length 150 [2024-12-02 11:37:16,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:16,975 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 171 transitions. [2024-12-02 11:37:16,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.181818181818182) internal successors, (90), 12 states have internal predecessors, (90), 4 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2024-12-02 11:37:16,975 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 171 transitions. [2024-12-02 11:37:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 11:37:16,975 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:16,976 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:16,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-12-02 11:37:17,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:17,176 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:17,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:17,176 INFO L85 PathProgramCache]: Analyzing trace with hash -178455241, now seen corresponding path program 1 times [2024-12-02 11:37:17,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:37:17,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962382513] [2024-12-02 11:37:17,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:17,177 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 11:37:17,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:37:17,178 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:17,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (11)] Waiting until timeout for monitored process [2024-12-02 11:37:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:17,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:37:17,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:37:17,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:37:17,777 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 11:37:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-02 11:37:17,801 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:37:17,801 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:37:17,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962382513] [2024-12-02 11:37:17,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962382513] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:17,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:17,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:37:17,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331191796] [2024-12-02 11:37:17,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:17,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:37:17,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:37:17,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:37:17,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:37:17,802 INFO L87 Difference]: Start difference. First operand 124 states and 171 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:37:19,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:19,775 INFO L93 Difference]: Finished difference Result 246 states and 340 transitions. [2024-12-02 11:37:19,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:37:19,779 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2024-12-02 11:37:19,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:19,780 INFO L225 Difference]: With dead ends: 246 [2024-12-02 11:37:19,780 INFO L226 Difference]: Without dead ends: 125 [2024-12-02 11:37:19,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:37:19,781 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 135 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:19,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 481 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 11:37:19,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-12-02 11:37:19,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2024-12-02 11:37:19,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 105 states have internal predecessors, (136), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:37:19,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 170 transitions. [2024-12-02 11:37:19,786 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 170 transitions. Word has length 150 [2024-12-02 11:37:19,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:19,787 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 170 transitions. [2024-12-02 11:37:19,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:37:19,787 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 170 transitions. [2024-12-02 11:37:19,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 11:37:19,788 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:19,788 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:19,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (11)] Ended with exit code 0 [2024-12-02 11:37:19,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:19,988 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:19,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:19,989 INFO L85 PathProgramCache]: Analyzing trace with hash 232226993, now seen corresponding path program 1 times [2024-12-02 11:37:19,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:37:19,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988820459] [2024-12-02 11:37:19,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:19,989 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 11:37:19,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:37:19,991 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:19,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (12)] Waiting until timeout for monitored process [2024-12-02 11:37:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:20,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:37:20,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:37:20,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-12-02 11:37:20,586 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-12-02 11:37:20,586 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:37:20,586 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:37:20,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988820459] [2024-12-02 11:37:20,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [988820459] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:20,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:20,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:37:20,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515941392] [2024-12-02 11:37:20,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:20,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:37:20,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:37:20,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:37:20,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:37:20,588 INFO L87 Difference]: Start difference. First operand 124 states and 170 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:37:22,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:22,716 INFO L93 Difference]: Finished difference Result 246 states and 338 transitions. [2024-12-02 11:37:22,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:37:22,720 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2024-12-02 11:37:22,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:22,721 INFO L225 Difference]: With dead ends: 246 [2024-12-02 11:37:22,721 INFO L226 Difference]: Without dead ends: 125 [2024-12-02 11:37:22,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:37:22,722 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 125 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:22,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 475 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 11:37:22,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-12-02 11:37:22,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2024-12-02 11:37:22,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 105 states have internal predecessors, (135), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:37:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 169 transitions. [2024-12-02 11:37:22,727 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 169 transitions. Word has length 152 [2024-12-02 11:37:22,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:22,728 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 169 transitions. [2024-12-02 11:37:22,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:37:22,728 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 169 transitions. [2024-12-02 11:37:22,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 11:37:22,729 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:22,729 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:22,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (12)] Ended with exit code 0 [2024-12-02 11:37:22,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:22,930 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:22,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:22,930 INFO L85 PathProgramCache]: Analyzing trace with hash -553891721, now seen corresponding path program 1 times [2024-12-02 11:37:22,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:37:22,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1098583992] [2024-12-02 11:37:22,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:22,930 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 11:37:22,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:37:22,932 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:22,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (13)] Waiting until timeout for monitored process [2024-12-02 11:37:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:23,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:37:23,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:37:23,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-12-02 11:37:23,568 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-12-02 11:37:23,568 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:37:23,568 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:37:23,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1098583992] [2024-12-02 11:37:23,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1098583992] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:23,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:23,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:37:23,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552600962] [2024-12-02 11:37:23,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:23,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:37:23,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:37:23,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:37:23,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:37:23,570 INFO L87 Difference]: Start difference. First operand 124 states and 169 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:37:25,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:25,811 INFO L93 Difference]: Finished difference Result 246 states and 336 transitions. [2024-12-02 11:37:25,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:37:25,816 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 154 [2024-12-02 11:37:25,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:25,817 INFO L225 Difference]: With dead ends: 246 [2024-12-02 11:37:25,817 INFO L226 Difference]: Without dead ends: 125 [2024-12-02 11:37:25,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:37:25,817 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 116 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:25,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 470 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-12-02 11:37:25,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-12-02 11:37:25,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2024-12-02 11:37:25,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.276190476190476) internal successors, (134), 105 states have internal predecessors, (134), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 11:37:25,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 168 transitions. [2024-12-02 11:37:25,821 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 168 transitions. Word has length 154 [2024-12-02 11:37:25,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:25,821 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 168 transitions. [2024-12-02 11:37:25,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 11:37:25,821 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 168 transitions. [2024-12-02 11:37:25,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 11:37:25,822 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:25,822 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:25,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (13)] Ended with exit code 0 [2024-12-02 11:37:26,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:26,022 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:26,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:26,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1319446031, now seen corresponding path program 1 times [2024-12-02 11:37:26,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:37:26,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205607910] [2024-12-02 11:37:26,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:26,023 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 11:37:26,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:37:26,025 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:37:26,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (14)] Waiting until timeout for monitored process [2024-12-02 11:42:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:42:09,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 11:42:09,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:42:13,035 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:42:13,036 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 160 treesize of output 88 [2024-12-02 11:42:13,058 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:42:13,058 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 121 treesize of output 49 [2024-12-02 11:42:17,501 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:42:17,502 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:42:17,502 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:42:17,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205607910] [2024-12-02 11:42:17,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [205607910] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:42:17,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:42:17,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:42:17,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213356191] [2024-12-02 11:42:17,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:42:17,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:42:17,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:42:17,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:42:17,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:42:17,503 INFO L87 Difference]: Start difference. First operand 124 states and 168 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:42:33,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:42:46,036 WARN L286 SmtUtils]: Spent 8.83s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 11:42:49,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:42:51,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:43:02,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:43:02,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:43:02,257 INFO L93 Difference]: Finished difference Result 312 states and 417 transitions. [2024-12-02 11:43:02,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:43:02,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2024-12-02 11:43:02,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:43:02,264 INFO L225 Difference]: With dead ends: 312 [2024-12-02 11:43:02,264 INFO L226 Difference]: Without dead ends: 191 [2024-12-02 11:43:02,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:43:02,265 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 135 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:43:02,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 449 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 33.4s Time] [2024-12-02 11:43:02,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-12-02 11:43:02,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 188. [2024-12-02 11:43:02,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 164 states have (on average 1.2621951219512195) internal successors, (207), 165 states have internal predecessors, (207), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 11:43:02,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 249 transitions. [2024-12-02 11:43:02,271 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 249 transitions. Word has length 156 [2024-12-02 11:43:02,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:43:02,272 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 249 transitions. [2024-12-02 11:43:02,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:43:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 249 transitions. [2024-12-02 11:43:02,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 11:43:02,273 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:43:02,273 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:43:02,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (14)] Forceful destruction successful, exit code 0 [2024-12-02 11:43:02,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:43:02,473 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:43:02,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:43:02,474 INFO L85 PathProgramCache]: Analyzing trace with hash 594130433, now seen corresponding path program 1 times [2024-12-02 11:43:02,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:43:02,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610857916] [2024-12-02 11:43:02,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:43:02,474 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 11:43:02,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:43:02,476 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:43:02,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (15)] Waiting until timeout for monitored process [2024-12-02 11:43:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:43:02,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:43:02,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:43:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 78 proven. 45 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-12-02 11:43:03,640 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:43:03,873 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:43:03,873 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:43:03,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1610857916] [2024-12-02 11:43:03,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1610857916] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 11:43:03,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:43:03,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-12-02 11:43:03,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577528993] [2024-12-02 11:43:03,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:43:03,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:43:03,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:43:03,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:43:03,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:43:03,875 INFO L87 Difference]: Start difference. First operand 188 states and 249 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:43:04,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:43:04,630 INFO L93 Difference]: Finished difference Result 466 states and 617 transitions. [2024-12-02 11:43:04,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:43:04,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2024-12-02 11:43:04,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:43:04,633 INFO L225 Difference]: With dead ends: 466 [2024-12-02 11:43:04,633 INFO L226 Difference]: Without dead ends: 281 [2024-12-02 11:43:04,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:43:04,633 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 114 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 11:43:04,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 432 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 11:43:04,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-12-02 11:43:04,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 204. [2024-12-02 11:43:04,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 180 states have (on average 1.2777777777777777) internal successors, (230), 181 states have internal predecessors, (230), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 11:43:04,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 272 transitions. [2024-12-02 11:43:04,643 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 272 transitions. Word has length 156 [2024-12-02 11:43:04,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:43:04,643 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 272 transitions. [2024-12-02 11:43:04,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:43:04,643 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 272 transitions. [2024-12-02 11:43:04,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 11:43:04,644 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:43:04,644 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:43:04,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (15)] Ended with exit code 0 [2024-12-02 11:43:04,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:43:04,844 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:43:04,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:43:04,845 INFO L85 PathProgramCache]: Analyzing trace with hash 2044612311, now seen corresponding path program 1 times [2024-12-02 11:43:04,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:43:04,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902227956] [2024-12-02 11:43:04,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:43:04,845 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 11:43:04,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:43:04,847 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:43:04,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (16)] Waiting until timeout for monitored process [2024-12-02 11:43:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:43:05,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 11:43:05,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:43:05,507 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:43:05,507 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 39 treesize of output 19 [2024-12-02 11:43:05,553 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:43:05,553 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:43:05,553 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:43:05,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902227956] [2024-12-02 11:43:05,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [902227956] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:43:05,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:43:05,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:43:05,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934573446] [2024-12-02 11:43:05,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:43:05,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:43:05,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:43:05,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:43:05,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:43:05,555 INFO L87 Difference]: Start difference. First operand 204 states and 272 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:43:05,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:43:05,623 INFO L93 Difference]: Finished difference Result 405 states and 541 transitions. [2024-12-02 11:43:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:43:05,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2024-12-02 11:43:05,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:43:05,625 INFO L225 Difference]: With dead ends: 405 [2024-12-02 11:43:05,625 INFO L226 Difference]: Without dead ends: 204 [2024-12-02 11:43:05,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:43:05,626 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:43:05,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 301 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:43:05,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-12-02 11:43:05,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-12-02 11:43:05,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 180 states have (on average 1.2666666666666666) internal successors, (228), 181 states have internal predecessors, (228), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 11:43:05,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 270 transitions. [2024-12-02 11:43:05,635 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 270 transitions. Word has length 156 [2024-12-02 11:43:05,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:43:05,636 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 270 transitions. [2024-12-02 11:43:05,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:43:05,636 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 270 transitions. [2024-12-02 11:43:05,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 11:43:05,637 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:43:05,637 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:43:05,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (16)] Ended with exit code 0 [2024-12-02 11:43:05,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:43:05,837 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:43:05,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:43:05,838 INFO L85 PathProgramCache]: Analyzing trace with hash 2106651925, now seen corresponding path program 1 times [2024-12-02 11:43:05,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:43:05,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644068828] [2024-12-02 11:43:05,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:43:05,838 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 11:43:05,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:43:05,840 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:43:05,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (17)] Waiting until timeout for monitored process [2024-12-02 11:43:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:43:06,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:43:06,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:43:06,414 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:43:06,414 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 34 treesize of output 10 [2024-12-02 11:43:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:43:06,432 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:43:06,433 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:43:06,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644068828] [2024-12-02 11:43:06,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644068828] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:43:06,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:43:06,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:43:06,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275097233] [2024-12-02 11:43:06,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:43:06,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:43:06,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:43:06,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:43:06,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:43:06,434 INFO L87 Difference]: Start difference. First operand 204 states and 270 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:43:07,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:43:07,863 INFO L93 Difference]: Finished difference Result 470 states and 626 transitions. [2024-12-02 11:43:07,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:43:07,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2024-12-02 11:43:07,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:43:07,871 INFO L225 Difference]: With dead ends: 470 [2024-12-02 11:43:07,871 INFO L226 Difference]: Without dead ends: 269 [2024-12-02 11:43:07,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:43:07,872 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 136 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:43:07,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 678 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 11:43:07,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-12-02 11:43:07,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 204. [2024-12-02 11:43:07,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 180 states have (on average 1.2555555555555555) internal successors, (226), 181 states have internal predecessors, (226), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 11:43:07,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 268 transitions. [2024-12-02 11:43:07,880 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 268 transitions. Word has length 156 [2024-12-02 11:43:07,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:43:07,881 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 268 transitions. [2024-12-02 11:43:07,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:43:07,881 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 268 transitions. [2024-12-02 11:43:07,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 11:43:07,881 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:43:07,882 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:43:07,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (17)] Ended with exit code 0 [2024-12-02 11:43:08,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:43:08,082 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:43:08,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:43:08,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1085583571, now seen corresponding path program 1 times [2024-12-02 11:43:08,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:43:08,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2059282145] [2024-12-02 11:43:08,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:43:08,083 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 11:43:08,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:43:08,085 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:43:08,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (18)] Waiting until timeout for monitored process [2024-12-02 11:43:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:43:08,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:43:08,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:43:08,558 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:43:08,558 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:43:08,558 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:43:08,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2059282145] [2024-12-02 11:43:08,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2059282145] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:43:08,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:43:08,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:43:08,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606805089] [2024-12-02 11:43:08,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:43:08,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:43:08,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:43:08,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:43:08,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:43:08,560 INFO L87 Difference]: Start difference. First operand 204 states and 268 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:43:08,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:43:08,624 INFO L93 Difference]: Finished difference Result 405 states and 533 transitions. [2024-12-02 11:43:08,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:43:08,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2024-12-02 11:43:08,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:43:08,625 INFO L225 Difference]: With dead ends: 405 [2024-12-02 11:43:08,625 INFO L226 Difference]: Without dead ends: 204 [2024-12-02 11:43:08,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:43:08,626 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:43:08,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 580 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:43:08,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-12-02 11:43:08,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-12-02 11:43:08,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 180 states have (on average 1.2444444444444445) internal successors, (224), 181 states have internal predecessors, (224), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 11:43:08,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 266 transitions. [2024-12-02 11:43:08,633 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 266 transitions. Word has length 156 [2024-12-02 11:43:08,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:43:08,634 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 266 transitions. [2024-12-02 11:43:08,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:43:08,634 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 266 transitions. [2024-12-02 11:43:08,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 11:43:08,634 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:43:08,635 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:43:08,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (18)] Ended with exit code 0 [2024-12-02 11:43:08,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:43:08,835 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:43:08,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:43:08,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1743903153, now seen corresponding path program 1 times [2024-12-02 11:43:08,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:43:08,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568603586] [2024-12-02 11:43:08,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:43:08,836 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 11:43:08,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:43:08,837 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:43:08,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (19)] Waiting until timeout for monitored process [2024-12-02 11:43:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:43:09,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 11:43:09,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:43:09,572 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 40 treesize of output 25 [2024-12-02 11:43:10,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2024-12-02 11:43:10,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:43:10,186 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 58 treesize of output 40 [2024-12-02 11:43:10,548 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:43:10,548 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:43:10,548 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:43:10,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568603586] [2024-12-02 11:43:10,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568603586] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:43:10,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:43:10,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:43:10,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068454542] [2024-12-02 11:43:10,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:43:10,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:43:10,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:43:10,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:43:10,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:43:10,550 INFO L87 Difference]: Start difference. First operand 204 states and 266 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:43:15,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:43:15,234 INFO L93 Difference]: Finished difference Result 539 states and 702 transitions. [2024-12-02 11:43:15,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:43:15,235 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2024-12-02 11:43:15,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:43:15,236 INFO L225 Difference]: With dead ends: 539 [2024-12-02 11:43:15,236 INFO L226 Difference]: Without dead ends: 338 [2024-12-02 11:43:15,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:43:15,236 INFO L435 NwaCegarLoop]: 260 mSDtfsCounter, 215 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:43:15,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 749 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 11:43:15,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-12-02 11:43:15,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 334. [2024-12-02 11:43:15,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 291 states have (on average 1.2336769759450172) internal successors, (359), 294 states have internal predecessors, (359), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 35 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 11:43:15,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 435 transitions. [2024-12-02 11:43:15,262 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 435 transitions. Word has length 156 [2024-12-02 11:43:15,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:43:15,262 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 435 transitions. [2024-12-02 11:43:15,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:43:15,262 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 435 transitions. [2024-12-02 11:43:15,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 11:43:15,263 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:43:15,263 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:43:15,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (19)] Ended with exit code 0 [2024-12-02 11:43:15,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:43:15,464 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:43:15,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:43:15,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1474766026, now seen corresponding path program 1 times [2024-12-02 11:43:15,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:43:15,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016614394] [2024-12-02 11:43:15,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:43:15,465 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 11:43:15,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:43:15,466 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:43:15,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (20)] Waiting until timeout for monitored process [2024-12-02 11:43:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:43:15,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:43:15,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:43:16,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 11:43:16,525 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 78 proven. 45 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-12-02 11:43:16,525 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:43:16,772 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:43:16,772 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:43:16,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016614394] [2024-12-02 11:43:16,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016614394] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 11:43:16,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:43:16,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-12-02 11:43:16,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137101108] [2024-12-02 11:43:16,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:43:16,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:43:16,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:43:16,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:43:16,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-12-02 11:43:16,773 INFO L87 Difference]: Start difference. First operand 334 states and 435 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:43:17,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:43:17,849 INFO L93 Difference]: Finished difference Result 730 states and 938 transitions. [2024-12-02 11:43:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:43:17,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-12-02 11:43:17,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:43:17,851 INFO L225 Difference]: With dead ends: 730 [2024-12-02 11:43:17,851 INFO L226 Difference]: Without dead ends: 442 [2024-12-02 11:43:17,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-12-02 11:43:17,852 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 120 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:43:17,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 506 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 11:43:17,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-12-02 11:43:17,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 334. [2024-12-02 11:43:17,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 291 states have (on average 1.2302405498281788) internal successors, (358), 294 states have internal predecessors, (358), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 35 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 11:43:17,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 434 transitions. [2024-12-02 11:43:17,871 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 434 transitions. Word has length 157 [2024-12-02 11:43:17,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:43:17,871 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 434 transitions. [2024-12-02 11:43:17,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:43:17,872 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 434 transitions. [2024-12-02 11:43:17,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 11:43:17,873 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:43:17,873 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:43:17,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (20)] Ended with exit code 0 [2024-12-02 11:43:18,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:43:18,074 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:43:18,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:43:18,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1961262762, now seen corresponding path program 1 times [2024-12-02 11:43:18,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:43:18,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145665148] [2024-12-02 11:43:18,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:43:18,074 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 11:43:18,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:43:18,076 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:43:18,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (21)] Waiting until timeout for monitored process [2024-12-02 11:47:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:47:22,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 11:47:22,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:47:26,960 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:47:26,960 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 159 treesize of output 87 [2024-12-02 11:47:26,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:47:26,988 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 120 treesize of output 48 [2024-12-02 11:47:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:47:32,958 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:47:32,958 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:47:32,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [145665148] [2024-12-02 11:47:32,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [145665148] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:47:32,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:47:32,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:47:32,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217590945] [2024-12-02 11:47:32,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:47:32,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:47:32,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:47:32,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:47:32,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:47:32,960 INFO L87 Difference]: Start difference. First operand 334 states and 434 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:47:35,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:37,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:47:44,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:48:03,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:48:16,897 WARN L286 SmtUtils]: Spent 9.43s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 11:48:18,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:48:21,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:48:25,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:48:27,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:48:33,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:48:33,301 INFO L93 Difference]: Finished difference Result 619 states and 793 transitions. [2024-12-02 11:48:33,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:48:33,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-12-02 11:48:33,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:48:33,308 INFO L225 Difference]: With dead ends: 619 [2024-12-02 11:48:33,308 INFO L226 Difference]: Without dead ends: 331 [2024-12-02 11:48:33,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:48:33,309 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 141 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.5s IncrementalHoareTripleChecker+Time [2024-12-02 11:48:33,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 481 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 201 Invalid, 1 Unknown, 0 Unchecked, 48.5s Time] [2024-12-02 11:48:33,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-12-02 11:48:33,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 264. [2024-12-02 11:48:33,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 223 states have (on average 1.2062780269058295) internal successors, (269), 225 states have internal predecessors, (269), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 11:48:33,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 337 transitions. [2024-12-02 11:48:33,327 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 337 transitions. Word has length 157 [2024-12-02 11:48:33,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:48:33,327 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 337 transitions. [2024-12-02 11:48:33,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:48:33,327 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 337 transitions. [2024-12-02 11:48:33,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 11:48:33,328 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:48:33,328 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:48:33,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (21)] Ended with exit code 0 [2024-12-02 11:48:33,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:48:33,529 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:48:33,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:48:33,529 INFO L85 PathProgramCache]: Analyzing trace with hash 392161635, now seen corresponding path program 1 times [2024-12-02 11:48:33,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:48:33,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038380574] [2024-12-02 11:48:33,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:48:33,530 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 11:48:33,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:48:33,532 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:48:33,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (22)] Waiting until timeout for monitored process [2024-12-02 11:48:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:48:33,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 11:48:33,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:48:34,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2024-12-02 11:48:34,590 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 40 treesize of output 25 [2024-12-02 11:48:35,550 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:48:35,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 68 [2024-12-02 11:48:35,560 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:48:35,560 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 74 treesize of output 44 [2024-12-02 11:48:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 203 proven. 12 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2024-12-02 11:48:35,670 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:48:36,183 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:48:36,183 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:48:36,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038380574] [2024-12-02 11:48:36,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1038380574] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 11:48:36,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:48:36,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 17 [2024-12-02 11:48:36,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539342923] [2024-12-02 11:48:36,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:48:36,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:48:36,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:48:36,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:48:36,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-12-02 11:48:36,185 INFO L87 Difference]: Start difference. First operand 264 states and 337 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:48:37,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:48:37,663 INFO L93 Difference]: Finished difference Result 479 states and 609 transitions. [2024-12-02 11:48:37,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:48:37,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 158 [2024-12-02 11:48:37,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:48:37,665 INFO L225 Difference]: With dead ends: 479 [2024-12-02 11:48:37,665 INFO L226 Difference]: Without dead ends: 265 [2024-12-02 11:48:37,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2024-12-02 11:48:37,666 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 104 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:48:37,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 695 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 11:48:37,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-12-02 11:48:37,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 264. [2024-12-02 11:48:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 223 states have (on average 1.1973094170403586) internal successors, (267), 225 states have internal predecessors, (267), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 11:48:37,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 335 transitions. [2024-12-02 11:48:37,681 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 335 transitions. Word has length 158 [2024-12-02 11:48:37,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:48:37,681 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 335 transitions. [2024-12-02 11:48:37,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:48:37,681 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 335 transitions. [2024-12-02 11:48:37,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 11:48:37,682 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:48:37,682 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:48:37,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (22)] Ended with exit code 0 [2024-12-02 11:48:37,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:48:37,883 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:48:37,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:48:37,883 INFO L85 PathProgramCache]: Analyzing trace with hash -2064751139, now seen corresponding path program 1 times [2024-12-02 11:48:37,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:48:37,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685319596] [2024-12-02 11:48:37,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:48:37,884 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 11:48:37,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:48:37,885 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:48:37,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (23)] Waiting until timeout for monitored process [2024-12-02 11:48:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:48:38,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 11:48:38,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:48:38,589 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 11:48:38,589 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:48:38,589 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:48:38,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1685319596] [2024-12-02 11:48:38,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1685319596] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:48:38,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:48:38,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:48:38,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109857126] [2024-12-02 11:48:38,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:48:38,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:48:38,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:48:38,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:48:38,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:48:38,591 INFO L87 Difference]: Start difference. First operand 264 states and 335 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:48:40,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:48:40,371 INFO L93 Difference]: Finished difference Result 294 states and 373 transitions. [2024-12-02 11:48:40,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:48:40,379 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 158 [2024-12-02 11:48:40,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:48:40,380 INFO L225 Difference]: With dead ends: 294 [2024-12-02 11:48:40,380 INFO L226 Difference]: Without dead ends: 292 [2024-12-02 11:48:40,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:48:40,381 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 125 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:48:40,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1091 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 11:48:40,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-12-02 11:48:40,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 286. [2024-12-02 11:48:40,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 238 states have (on average 1.184873949579832) internal successors, (282), 240 states have internal predecessors, (282), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 11:48:40,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 362 transitions. [2024-12-02 11:48:40,405 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 362 transitions. Word has length 158 [2024-12-02 11:48:40,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:48:40,405 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 362 transitions. [2024-12-02 11:48:40,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 11:48:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 362 transitions. [2024-12-02 11:48:40,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 11:48:40,407 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:48:40,407 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:48:40,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (23)] Ended with exit code 0 [2024-12-02 11:48:40,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:48:40,607 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:48:40,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:48:40,607 INFO L85 PathProgramCache]: Analyzing trace with hash -2062904097, now seen corresponding path program 1 times [2024-12-02 11:48:40,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:48:40,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363177661] [2024-12-02 11:48:40,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:48:40,608 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 11:48:40,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:48:40,609 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 11:48:40,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/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 (24)] Waiting until timeout for monitored process [2024-12-02 11:48:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:48:41,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 11:48:41,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:48:41,564 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 11:48:42,737 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:48:42,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 65 [2024-12-02 11:48:51,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 11:49:06,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 167 [2024-12-02 11:49:06,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:49:06,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 275 treesize of output 119 [2024-12-02 11:49:07,522 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 134 proven. 42 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-12-02 11:49:07,522 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:49:19,145 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:49:19,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363177661] [2024-12-02 11:49:19,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363177661] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:49:19,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1407571541] [2024-12-02 11:49:19,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:49:19,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:49:19,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:49:19,147 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:49:19,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ad919e-e600-4aea-ae40-e539e489ee8b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-02 11:49:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:49:21,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 11:49:21,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:49:22,040 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 [2024-12-02 11:49:32,126 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:49:32,126 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 1 case distinctions, treesize of input 125 treesize of output 61 [2024-12-02 11:49:44,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 11:50:20,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 149 [2024-12-02 11:50:20,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:50:20,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 251 treesize of output 123 [2024-12-02 11:50:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 134 proven. 42 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-12-02 11:50:20,946 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:50:32,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1407571541] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:50:32,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:50:32,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2024-12-02 11:50:32,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439360971] [2024-12-02 11:50:32,199 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:50:32,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-02 11:50:32,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:50:32,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-02 11:50:32,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=641, Unknown=4, NotChecked=0, Total=812 [2024-12-02 11:50:32,207 INFO L87 Difference]: Start difference. First operand 286 states and 362 transitions. Second operand has 27 states, 25 states have (on average 6.32) internal successors, (158), 23 states have internal predecessors, (158), 6 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 5 states have call predecessors, (34), 6 states have call successors, (34) [2024-12-02 11:50:49,816 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 [0] [2024-12-02 11:51:47,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:51:49,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]